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Authors: Yochelson, Ellis L. , Dutro, J. Thomas, Jr.
Editors:
Date: /1960
Title: Late Paleozoic Gastropoda from Northern Alaska
334-D , , 111-147 , Plates 12-14
Host: U.S. Geological Survey Professional Paper:
Document Type: Article\Abst.\Chapter\report
Annotation:
UserNote
F7 of 11 June, F1 of 13 June, F3 of 16 June , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Chandler Lake quadrangle; Shainin Lake area, southwest corner of ridge, top of Sugarloaf Hill; lat. 68 deg. 19'20" N., long. 150 deg. 55'30" W.; measured section J, 84-5-93.,3 ft above base of Alapah limestone (description from Yochelson and Dutro, 1960, p. 126)
Straparollus (Euomphalus) brooksensis n. sp.
F1 of 16 June , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; same locality as [USNM] 3087; 49 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 126)
Indet. euomphalacean
F5 of 24 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J., 1949; Chandler Lake quadrangle; Nanushuk Lake area, along west side of main ridge southwest of lake; lat. 68 deg. 22'20" N., long. 150 deg. 29'34" W., 80 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 126)
Bellerophon sp.
Naticopsis (Naticopsis) suturicompta n. sp.
F2 of 27 August , Philip Smith Mts , Bowsher, A.L., Dutro, J.T., Jr.; 1949; Philip Smith Mountains quadrangle; Itillik Lake area, north slope of hill about 11,100 ft S. 85 deg. E. of Itkillik Lake camp; lat 68 deg. 24'15" N., long 149 deg. 43'20" W.; 139-145 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 126)
Platyceras (Orthonychia) sp.
F1 of 3 June , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., 1949; Chandler Lake quadrangle; Shainin Lake area, top of lower massive cliff, southwest slope of Mount Wachsmuth; lat 68 deg. 18'50" N., long. 150 deg. 55'25" W.; measured section I, 141.6-148 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 126)
Straparollus (Euomphalus) brooksensis n. sp.
F3 of 22 June , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., 1949; Chandler Lake quadrangle; Shainin Lake area, head of small creek about 14,700 ft. S. 8 deg. E. of Shainin Lake camp; lat 68 deg. 16'25" N.., long 150 deg. 57'25" W.; 720-777 ft above base of Kayak shale. (description from Yochelson and Dutro, 1960, p. 126)
Turbonellina? lata n. sp.
Platyceras (Orthonychia) sp.
F1 of 22 June , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J., Feder, A.; 1949; Chandler Lake quadrangle; Shainin Lake area, north side of first valley south of Pinnacles; lat 68 deg 17' N., long 150 deg 150 deg 55'15" W.; 187-198 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 126)
Anematina rockymontanum (Shimer)
F2 of 20 August , Philip Smith Mts , Bowsher, A.L., Dutro, J.T., Jr.; 1949; Philip Smith Mountains quadrangle; Itkillik Lake area, 8,500 ft S. 40 deg. E. of Itkillik Lake camp; lat 68 deg. 23'15" N., long 149 deg. 45'50" W.; 73-75 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 126)
Indet. euomphalacean
F2 of 21 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Chandler Lake quadrangle; Nanushuk Lake area, south side of ridge, 10,000 ft N. 12 deg. W. of Nanushuk Lake camp; lat 68 deg. 25'10" N., long. 150 deg. 30'15" W. (description from Yochelson and Dutro, 1960, p. 126)
Straparollus (Euomphalus) brooksensis n. sp.
F6 of 23 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Chandler Lake quadrangle; Nanushuk Lake area, 6,800 ft east of Nanushuk Lake camp; lat 68 deg. 23'30" N., long 150 deg. 26'20" W. (description from Yochelson and Dutro, 1960, p. 126)
New genus? A (Pleurotomariacea)
F3 of 3 August , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr.; 1949; Chandler Lake quadrangle; Shainin Lake area, south face of Sugarloaf Hill; lat 68 deg. 18'50" N., long 150 deg. 55'35" W.; 957 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 126)
Platyceras (Orthonychia) sp.
F1 of 12 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr.; 1949; same locality as 3113; 845-849 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 126)
Indet. bellerophontacean
F2 of 24 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Chandler Lake quadrangle; Nanushuk Lake area, about 1,800 ft S. 34 deg. E. of Nanushuk Lake camp; lat 68 deg. 23'10" N., long 150 deg. 28'45" W.: lower 30 ft of Alapah Limestone. (description from Yochelson and Dutro, 1960, p. 126)
Naticopsis (Naticopsis) suturicompta n. sp.
F6 of 24 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Chandler Lake quadrangle; Nanushuk Lake area, about 6,900 ft S. 6 deg. W. of Nanushuk Lake camp; lat 68 deg. 22'15" N., long 150 deg. 29'35" W.; 97-113 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 126) [Gordon, 1957, p. 18 provides following description: "A.L. Bowsher and J.T. Dutro, Jr., 1949. Brooks Range, Chandler Lake quadrangle, lat. 68 deg. 22'30" N., long. 150 deg. 28'25" W., on west slope of ridge east of Nanushuk River valley. 6,200 feet south of southeast corner of Nanushuk Lake. Alapah limestone, lower part, basal 15 feet of brownish-gray bioclastic limestone, just above brown-weathering zone, 312 feet above base of formation."] [Note by R.B. Blodgett: note discrepancy between lat./long data given by the two above reports]
Indet. euomphalacean
Rhineoderma? sp.
Portlockiella? sp.
Indet. pleurotomariacean
Anematina? sp.
Anomphalus sp.
Indet. neritacean
Indet. murchisoniacean
F1 of 28 August , Philip Smith Mts , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Philip Smith Mountains quadrangle; Itillik Lake area, about 13,900 ft N. 60 deg. E. of Itkillik Lake camp; lat 68 deg. 25'25" N., long 149 43'40" W.; 86.3 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 126)
Indet. euomphalacean
F1 of 23 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Chandler Lake quadrangle; Nanushuk Lake area, about 2,500 ft N. 65 deg. E. of Nanushuk Lake camp; lat 68 deg. 23'40" N., long 150 deg. 28' W.; about 60 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 126)
Naticopsis (Naticopsis) suturicompta n. sp.
F4 of 11 August , Philip Smith Mts , Bowsher, A.L., Dutro, J.T., Jr.; 1949; Philip Smith Mountains quadrangle; Itkillik Lake area, about 13,600 ft N. 60 deg. E. of Itkillik Lake camp; lat 68 deg. 20'25" N., long 149 deg. 43'05" W.; 63 ft above base of Alapah limestone. (from Yochelson and Dutro, 1960, p. 127)
Naticopsis (Naticopsis) suturicompta n. sp.
F3 of 23 August , Philip Smith Mts , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; same locality as 3171; about 140 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 127)
Bellerophon sp.
F2 of 25 August , Philip Smith Mts , Bowsher, A.L., Dutro, J.T., Jr., Gudim, C.J.; 1949; Philip Smith Mountains quadrangle; Itkillik Lake area, about 12,200 ft N. 65 deg. E. of Itkillik Lake camp; lat 68 deg. 25'12" N., long 149 43'10" W.; float at base of section. (description from Yochelson and Dutro, 1960, p. 127)
Indet. pleurotomariacean
Platyceras (Orthonychia) sp.
Anematina rockymontanum (Shimer)
F1 of 26 July , Chandler Lake , Bowsher, A.L., Dutro, J.T., Jr.; 1949; Chandler Lake quadrangle; Nanushuk Lake area, about 6,900 ft S. 6 deg. W. of Nanushuk Lake camp; lat. 68 deg. 22'25" N., long 149 deg. 43'40" W.; 80 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 127) [Note by R.B. Blodgett; The longitude given here does not match the verbal locality description (obviously incorrectly given), need to check USNM locality register or Tom Dutro on correct longitude]
Anematina rockymontanum (Shimer)
Naticopsis (Naticopsis) suturicompta n. sp.
F4 of 7 August , Chandler Lake , Bowsher, A.L., Gryc, G., Fischer, W.; 1949; Chandler Lake quadrangle; Shainin Lake area, near south end of Sugarloaf Hill; lat 68 deg. 19'25" N., long 150 deg. 55'30" W.; 172 ft above base of Alapah limestone.
Straparollus (Euomphalus) brooksensis n. sp.
F5 of 7 August , Chandler Lake , Bowsher, A.L., Gryc, G., Fischer, W.; 1949; same locality as 3186; 0.3 ft above locality 3186. (description from Yochelson and Dutro, 1960, p. 127)
Indet. euomphalacean
F6 of 6 July , Chandler Lake , Bowsher, A.L., Dutro, Jr.; 1949; Chandler Lake quadrangle; Shainin Lake area, about 8,000 ft S. 32 deg. W. of Shainin Lake camp; lat 68 deg. 17'45" N., long 150 deg 56'30" W.; 795.3-798 ft above base of Kayak shale. (description from Yochelson and Dutro, 1960, p. 127)
Platyceras (Orthonychia) sp.
F3 of 24 August , Philip Smith Mts , Bowsher, A.L., Dutro, J.T., Jr., 1949; Philip Smith Mountains quadrangle; Itkillik Lake area; lat 68 deg. 25'30" N., long 149 deg. 42'40" W.; 91 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 127)
Anematina rockymontanum (Shimer)
Indet. murchisoniacean
F1 of 20 June , Chandler Lake , Bowsher, A.L.; 1950; Chandler Lake quadrangle; upper Alapah Creek, about 600 ft S. 80 deg. E. of Alapah Creek camp; lat 68 deg. 10'18" N., long 150 deg. 46'20" W.; lower 44 ft of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 127)
Indet.euomphalacean
Platyceras (Orthonychia) sp.
19D (7118b (Green)) , Mt Michelson , Leffingwell, E. de K.; 1908; Mount Michelson quadrangle, Ikiakpaurak valley; approximate lat 69 deg. 28' N., long 145 deg. 50' W. (description from Yochelson and Dutro, 1960, p. 127)
Indet. euomphalacean
Indet. pleurotomariacean
11Md26 (406-PC) , Unknown , Maddren, A.G., 1911; International Boundary Survey; about 4 mi south of east camp on Joe Creek on Firth River; lat 68 deg. 53'40" N., long 140 deg. 57'30" W. (description from Yochelson and Dutro, 1960, p. 127)
Indet. bellerophontacean
11Md28a (408a-PC) , Table Mtn , Maddren, A.G.; 1911; International Boundary Survey; about 2 mi west of west camp on Joe Creek; lat 68 deg. 57' N., long 141 deg. 22'30" W. (description from Yochelson and Dutro, 1960, p. 127)
Knightites (Retispira?) sp.
12Md31 (960-PC) , Table Mtn , Jessup, J.M.; 1912; International Boundary Survey; west side of You Creek, north end of ridge; lat 68 deg. 44' N., long 141 deg. 04'25" W. (description from Yochelson and Dutro, 1960, p. 127)
Platyceras (Orthonychia) sp.
12Md40 (971-PC) , Unknown , Jessup, J.M.; 1912; International Boundary Survey; northeast slope of main fork of Incog Creek; lat 68 deg. 46'30" N., long 140 deg. 56' W. (description from Yochelson and Dutro, 1960, p. 127)
Indet. euomphalacean
12Md41 (972-PC) , Unknown , Jessup, J.M., 1912; International Boundary Survey; northeast slope of main fork of Incog Creek, near head of Creek; lat 68 deg. 47'10" N., long 140 deg. 57'55" W. (description from Yochelson and Dutro, 1960, p. 127)
Indet. pleurotomariacean
12Md44 (975-PC) , Unknown , Jessup, J.M.; 1912; International Boundary Survey; southwest slope of Turner Mountain; lat 68 deg. 48'50" N., long 140 deg. 56' W. (description from Yochelson and Dutro, 1960, p. 127)
Indet. bellerophontacean
Anematina? sp.
12Md46 (976-PC) , Unknown , Maddren, A.G.; 1912; International Boundary Survey; west end of Turner Mountain, on east slope of upper Boulevard Creek; lat. 68 deg. 49'50" N., long 140 deg. 58'35" W. (description from Yochelson and Dutro, 1960, p. 127)
Bellerophon sp.
Indet. euomphalacean
Indet. neritacean
Indet. loxonematacean
12Md49 (979-PC) , Unknown , Harrington, G.L., 1912: International Boundary Survey; mountain spur 2 1/2 mi southeast of Joe Creek camp; lat 68 deg. 53'40" N., long 140 deg. 56' W. (description from Yochelson and Dutro, 1960, p. 127)
Platyceras (Orthonychia) sp.
12Md53 (982-PC) , Unknown , Jessup, J.M.; 1912; International Boundary Survey; 1 mi south of Joe Creek and 1/5 mi east of 141st meridian; lat 68 deg. 54'30" N., long 140 deg. 59'30" W. (description from Yochelson and Dutro, 1960, p. 127)
Straparollus (Euomphalus) alaskensis n. sp.
Indet. pleurotomariacean
12Md59 (987-PC) , Table Mtn , Maddren, A.G.; 1912; International Boundary Survey; 1 1/10 mi west of 141st meridian, south of Joe Creek; lat 68 deg. 55' N., long 141 deg. 03' W. (description from Yochelson and Dutro, 1960, p. 127)
Indet. pleurotomariacean
12Md61 (989a-PC) , Table Mtn , Maddren, A.G., 1912; International Boundary Survey: north bank of Joe Creek, 3/4 mi west of 141st meridian; lat 68 deg. 55'30" N., long 141 deg. 02' W. (description from Yochelson and Dutro, 1960, p. 127)
Indet. euomphalacean
12Md66 (994-PC) , Unknown , Harrington, G.L., 1912; International Boundary Survey; ridge north of Joe Creek, from bed above reddish-weathering slaty limestone; lat 68 deg. 56'10" N., long 140 deg. 57'15" W. (description from Yochelson and Dutro, 1960, p. 128)
Naticopsis (Naticopsis) suturicompta n. sp.
12Md68 (996-PC) , Unknown , Jessup, J.M.; 1912; International Boundary Survey; east slope of gulch north of Joe Creek, about 3/4 mi east of 141st meridian; lat 68 deg. 56'10" N., long 140 deg. 58' W. (description from Yochelson and Dutro, 1960, p. 128)
Indet. bellerophontacean
12Md69 (997-PC) , Unknown , Jessup, J.M.; 1912; same locality as 996; about 250 ft north of 996, along strike. (description from Yochelson and Dutro, 1960, p. 128)
Straparollus (Euomphalus) sp.
Indet. neritacean
12Md76 (1004-PC) , Table Mtn , Maddren, A.G.; 1912; International Boundary Survey; northwest corner of limestone outcrop west of Tub Mountain; lat 68 deg. 58'50" N., long. 141 deg. 06'35" W. (from Yochelson and Dutro, 1960, p. 128)
Indet. bellerophontacean
12Md79 (1008-PC) , Table Mtn , Harrington, G.L.; 1912; International Boundary Survey; south side Joe Creek, about 6 1/2 mi west of 141st meridian; lat 68 deg. 56'30" N., long 141 deg. 18' W. (description from Yochelson and Dutro, 1960, p. 128) [Note by R.B. Blodgett: this publication cites lat. as 69 deg., which is in error, should be 68 deg.]
cf. Spiroscala sp.
12Md80 (1009-PC) , Table Mtn , Harrington, G.L.; 1912; same locality as 1008; about 1/10 mi west. (description from Yochelson and Dutro, 1960, p. 128)
Indet. pleurotomariacean
Platyceras (Orthonychia) sp.
12Md81 (1010-PC) , Table Mtn , Jessup, J.M.; 1912; International Boundary Survey; north side Joe Creek valley about 7 1/2 mi west of 141st meridian; lat 68 deg. 56' N., long 141 deg. 21' W. (from Yochelson and Dutro, 1960, p. 128)
Indet. euomphalacean
Indet. pleurotomariacean
12Md85 (1014-PC) , Demarcation Point , Jessup, J.M.; 1912; International Boundary Survey; north slope of gulch on west side Clarence River, about 1 3/5 mi west of 141st meridian; lat 69 deg. 25' N., long 141 deg. 04' W. (description from Yochelson and Dutro, 1960, p. 128)
Indet. pleurotomariacean
Anematina? sp.
12Md85a (1015-PC) , Demarcation Point , Harrington, G.L.; 1912; same locality as 1014, from talus below outcrop. (description from Yochelson and Dutro, 1960, p. 128)
Indet. euomphalacean
45AKr58 (9184-PC) , Killik River , Kirschner, C.E.; 1945; Killik River quadrangle; east bank of Okpikruak River, 16 3/5 mi S. 4 deg. W. from forks of Killik River; lat 68 deg. 34'30" N., long 153 deg. 31' W. (description from Yochelson and Dutro, 1960, p. 128)
Neilsonia? sp.
cf. Murchisonia sp.
45AGr1 (9186-PC) , Chandler Lake , Gryc, G.; 1945; Chandler Lake quadrangle; bluffs west of northernmost tip of Chandler Lake; lat 68 deg. 17'30" N., long 152 deg. 36' W. (description from Yochelson and Dutro, 1960, p. 128)
Platyceras (Orthonychia) sp.
Indet. loxonematacean
45AGr2 (9187-PC) , Chandler Lake , Gryc, G.; 1945; Chandler Lake quadrangle; bluffs west of northernmost tip of Chandler Lake; lat. 68 deg. 17' N., long 152 deg. 36' W. (description from Yochelson and Dutro, 1960, p. 128)
Anematina rockymontanum (Shimer)
Naticopsis (Naticopsis) suturicompta n. sp.
49APa384 (10862-PC) , Chandler Lake , Patton, W.W., Jr.; 1949; Chandler Lake quadrangle; cutbank on north side of Monotis Creek; lat 68 deg. 22'35" N., long 152 deg. 54' W.; from limestone bed overlying chert-shale member of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 128)
Bembexia? inumbilicata n. sp.
49ATr399 (10868-PC) , Killik River , Tailleur, I.L.; 1949; Killik River quadrangle; cutbank on east side of Middle Fork of Okpikruak River; lat 68 deg. 33' N., long 153 deg. 31' W.; near top of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 128)
Neilsonia? sp.
48ASa47 (10870-PC) , Mt Michelson , Sable, E.G., Lachenbruch, A.H.; 1948; Mount Michelson quadrangle; north slope of Kikittut (Note by R.B. Blodgett: should be "Kikiktat") Mountain about 1 mi west of Hulahula River; lat 69 deg. 28' N, long 144 deg. 25' W. (description from Yochelson and Dutro, 1960, p. 128)
Indet. bellerophontacean
50ABe201 (11785-PC) , Philip Smith Mts , Brosge, W.P.; 1950; Philip Smith Mountains quadrangle; Galbraith Lake area; approximate lat 68 deg. 29' N., long 149 deg. 13' W.; about 560 ft above base of Siksikpuk formation. (description from Yochelson and Dutro, 1960, p. 128)
Straparollus (Euomphalus) alaskensis n. sp.
50ABe200 (11786-PC) , Philip Smith Mts , Brosge, W.P.; 1950; same locality and level as 11785. (description from Yochelson and Dutro, 1960, p. 128)
Straparollus (Euomphalus) alaskensis n. sp.
50ARr49 (11799-PC) , Chandler Lake , Reiser, H.N.; Chandler Lake quadrangle; Siksikpuk River area; approximate lat 68 deg. 20' N., long 151 deg. 50' W.; about 800 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 128)
Bellerophon sp.
Indet. euomphalacean
Naticopsis (Naticopsis) suturicompta n. sp.
50ABe115 (11807-PC) , Chandler Lake , Reiser, H.N.; 1950; Chandler Lake quadrangle; Chandler Lake area, about 10,000 ft S. 85 deg. E. of astronomical point on Little Chandler Lake; lat 68 deg. 16'40" N., long 152 deg. 36'50" W.; 280 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 128)
Bellerophon sp.
Indet. euomphalacean
Indet. pleurotomariacean
Platyceras (Platyceras) sp.
50ABe44 (11808-PC) , Chandler Lake , Reiser, H.N.; 1950; Chandler Lake quadrangle; same locality as 15408; 575 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 128)
Bellerophon sp.
Anematina rockymontanum (Shimer)
Naticopsis (Naticopsis) suturicompta n. sp.
50AKe238 (11814-PC) , Chandler Lake , Siksikpuk Formation, type (composite) section; siltstones in cutband on east side of Skimo Creek; lat. 68 deg. 17' N., long. 151 deg. 53' N. Collector: A.S. Keller, 1950. (description from Rowett, 1975, USGS Prof. Paper 823-D, p. 65) [Yochelson and Dutro, 1960, p. 128 provide this description: "Keller, A.S.; 1950 Chandler Lake quadrangle; cutbank on east side of Skimo Creek, a tributary of Tiglukpuk Creek; lat. 68 deg. 17' N., long 151 deg. 53' W.; basal 60 ft of Siksikpuk formation."]
Straparollus (Euomphalus) alaskensis n. sp.
50AKe240 (11815-PC) , Chandler Lake , Keller, A.S.; 1950; same locality as 11814; possibly slightly different stratigraphic level. (description from Yochelson and Dutro, 1960, p. 128)
Indet. euomphalacean
50AKe242 (11816-PC) , Chandler Lake , Siksikpuk Formation, type (composite) section; siltstones in cutbank on east side of Skimo Creek; lat. 68 deg. 17' N., long. 151 deg. 53' N. Collector: A.S. Keller, 1950. (description from Rowett, 1975, USGS Prof. Paper 823-D, p. 65) [Yochelson and Dutro, 1960, p. 128 provides the following description: "Keller, A.S.; 1950; same locality as 11814; possibly slightly different stratigraphic level."]
Straparollus (Euomphalus) alaskensis n. sp.
Mourlonia? reloba n. sp.
50AKt329 (11823-PC) , Howard Pass , Kent, B.H.; 1950; Howard Pass quadrangle; station K 280; lat 68 deg. 36' N., long. 158 deg. 22' W.; in structurally complex area, stratigraphic position unknown. (description from Yochelson and Dutro, 1960, p. 128)
Indet. bellerophontacean
Straparollus (Euomphalus) alaskensis n. sp.
Amphiscapha (Cylicioscapha) grada n. sp.
Indet. pleurotomariacean
50ATr45 (11828-PC) , Howard Pass , Tailleur, I.L.; 1950; Howard Pass quadrangle; Etivluk River valley; lat 68 deg. 35' N., long 156 deg. 38' W. (from Yochelson and Dutro, 1960, p. 129) [Gordon, 1957, p. 17, provides the following description: "I.L. Tailleur, 1950. Brooks Range, Howard Pass quadrangle, lat. 68 deg. 35' N., long. 156 deg. 38' W., about 4 miles south of Lisburne Ridge and 2 1/2 miles northwest of junction of Etivluk and Nigu Rivers. Alapah limestone, isolated outcrop of hard calcareous shale (8 feet thick) overlying thin-bedded black chert (10 feet thick)."]
Loxonema sp.
50ATr189 (11843-PC) , Howard Pass , Tailleur, I.L.; 1950; Howard Pass quadrangle; Ipnavik River valley; lat 68 deg 35' N., long 157 deg. 29' W. (description from Yochelson and Dutro, 1960, p. 129)
Knightites (Retispira?) sp.
Trepospira (Angyomphalus?) sp.
50ASa227 (11858-PC) , Misheguk Mtn , Sable, E.G.; 1950; Misheguk Mountain quadrangle; station Sa 350, Utukok River valley; 2 mi north of west fork of Utukok River; lat 68 deg. 34'40" N., long 161 deg. 10'30" W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. euomphalacean
50ASa235 (11861-PC) , Misheguk Mtn , Sable, E.G.; 1950; Misheguk Mountain quadrangle; 2,800 ft southeast of locality 11858; lat 68 deg 34'20" N., long 161 deg. 10' W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. euomphalacean
50ASa150 (11865-PC) , Misheguk Mtn , Sable, E.G.; 1950; Misheguk Mountain quadrangle; station Sa249, head of west fork of Utukok River; lat 68 deg. 34'40" N., long 161 deg. 16'50" W. (description from Yochelson and Dutro, 1960, p. 129)[Gordon, 1957, p. 17, provides following description: "E.G. Sable, 1950. Brooks Range, Misheguk Mountain quadrangle, lat. 68 deg. 33'32" N., long. 161 deg. 17'45" W., near head of Kogruk Creek (west fork of Utukok River). Lisburne group, undifferentiated, from interbedded, finely laminated, black chert and limestone in the upper part."] [Note by R.B. Blodgett: note discrepancy between the given lat./long values given in the two above citations]
Mourlonia minuta n. sp.
50ASa236 (11867-PC) , Misheguk Mtn , Sable, E.G.; 1950; Misheguk Mountain quadrangle; station Sa 350(15), north side of Kogruk Mountain, Utukok River valley; about 400 ft south of locality 11861; lat 68 deg. 34'20" N., long 161 deg. 10' W. (description from Yochelson and Dutro, 1960, p. 129) [Gordon, 1957, p. 17, provides the following description: "E.G. Sable, 1950. Brooks Range, Misheguk Mountain quadrangle, lat. 68 deg. 33'22: N., long. 161 deg. 10'15" W., near headwaters of Utukok River. Lisburne group undifferentiated, lower part, interbedded dark gray silty limestone and quartzite, approximately 600 feet below top of the lowest of three unnamed stratigraphic units."] [Note by R.B. Blodgett: note discrepancy between the given lat./long values given in the two above citations]
Indet. bellerophontacean
Ianthinopsis? sp.
50AMg149 (11890-PC) , Misheguk Mtn , Mangus, M.D.; 1950; Misheguk Mountain quadrangle; divide between Iligluruk Creek and Kugururok River; lat 68 deg. 34' N., long 161 deg. 20'30" W. (description from Yochelson and Dutro, 1960, p. 129)
Straparollus (Euomphalus) brooksensis n. sp.
F3 of 12 June (12084-PC) , Chandler Lake , Bowsher, A.L., Gryc, G.; 1950; Chandler Lake quadrangle; Anaktuvuk River valley; 1,500 ft east of Kanakutk Lake; lat 68 deg. 18' N., long 151 deg. 21' W. (description from Yochelson and Dutro, 1960, p. 129) [Gordon, 1957, p. 18, provides following description: "A.L. Bowsher, 1950. Brooks Range, Chandler Lake quadrangle, lat. 68 deg. 18' N., long. 151 deg. 21' W., Anaktuvuk River valley, on ridge 1,500 feet east of Kanaktuk Lake. Alapah limestone, middle part, interbedded grayish black shale, fine-grained limestone nodules and black chert, 43 feet above base of black chert-shale member."]
Euphemites sp.
Indet. pleurotomariacean
50ACh41 (12340-PC) , Killik River , Chapman, R.; 1950; Killik River quadrangle; Oolamnagavik River valley; lat 68 deg. 35' N., long 154 deg. 32' W. (description from Yochelson and Dutro, 1960, p. 129)
Nodospira ornata n. sp.
50AKe226 (12342-PC) , Chandler Lake , Keller, A.S.; 1950; Chandler Lake quadrangle; 100 ft south of locality 11814; lat 68 deg. 17' N., long 151 deg. 53' W.; upper 75 ft of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 129)
Euphemites sp.
Bembexia? inumbilicata n. sp.
46ATh8 (12348-PC) , Killik River , Thurrell, R.; 1946; Killik River quadrangle; upper Oolamnagavik River valley; lat 68 deg. 35' N., lat 154 deg. 32' W. (description from Yochelson and Dutro, 1960, p. 129)
Nodospira ornata n. sp.
50ABe112 (12355-PC) , Philip Smith Mts , Gudim, C.J.; 1950; Philip Smith Mountains quadrangle; Galbraith Lake area; approximate lat 68 deg. 28'30" N., long 149 deg. 21' W.; about 60 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 129)
Indet. euomphalacean
Naticopsis (Naticopsis) suturicompta n. sp.
11AS46 (12700-PC) , Misheguk Mtn , Smith, P.S.; 1911; Misheguk Mountain quadrangle; central Noatak River valley; cutbank on south side of river; approximate lat 68 deg. 01' N., long 159 deg. 02' W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. pleurotomariacean
11AS51 (12701-PC) , Misheguk Mtn , Smith, P.S.; 1911; Misheguk Mountain quadrangle; central Noatak River valley, cutbank on north side of river; approximate lat 68 deg. 07'48" N., long 159 deg. 53' W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. euomphalacean
Indet. pleurotomariacean
Anematina rockymontanum (Shimer)
Naticopsis (Naticopsis) suturicompta n. sp.
Indet. neritacean
50ADu16 (12709-PC) , Misheguk Mtn , Dutro, J.T., Jr.; 1950; Misheguk Mountain quadrangle; Nimiuktuk River valley; lat 68 deg. 22'18" N., long 159 deg. 53'45" W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. neritacean
51ATr14 (12773-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; Ipnavik River valley; approximate lat 68 deg. 22' N., long. 157 deg. 28' W. (description from Yochelson and Dutro, 1960, p. 129)
Platyceras (Orthonychia) sp.
51ABe5 (12779-PC) , Chandler Lake , Brosge, W.P.; 1951; Chandler Lake quadrangle; Monotis Creek section; lat 68 deg. 20' N., long 152 deg. 50'15" W., upper 100 ft of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 129)
Bembexia? inumbilicata Yochelson and Dutro
11AS77 (12785-PC) , Noatak , Smith, P.S.; 1911; Noatak quadrangle; lower Noatak River valley; approximate 67 deg. 14'30" N., long. 162 deg. 30' W. (description from Yochelson and Dutro, 1960, p. 129) [Gordon, 1957, p. 18, provides following description: "P.S. Smith, 1911. Noatak quadrange, lat. 67 deg. 11'30" N., long. 152 deg. 30' W., near north end of lower gorge of Noatak River. Lisburne(?) group, loose limestone block.] [Note by R.B. Blodgett: note discrepanacy given for latitude in the two above reports]
Indet. euomphalacean
Indet. pleurotomariacean
Yunnania sp.
Platyceras (Orthonychia) sp.
Anematina rockymontanum (Shimer)
Indet. neritacean
Ianthinopsis? sp.
50ADu77 (12788-PC) , Misheguk Mtn , Dutro, J.T., Jr.; 1950; Misheguk Mountain quadrangle; Nimiuktuk River valley; lat 68 deg. 16'23" N., long 159 deg. 57'36" W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. neritacean
50ADu44 (12798-PC) , Misheguk Mtn , Dutro, J.T., Jr.; 1950; Misheguk Mountain quadrangle; Nimiuktuk River valley; lat 68 deg. 24' N., long 159 deg. 53' W. (description from Yochelson and Dutro, 1960, p. 129)
Platyceras (Orthonychia) sp.
51ARr100 (13215-PC) , Howard Pass , Reiser, H.N.; 1951; Howard Pass quadrangle; station 79d, Kiligwa River valley; lat 68 deg. 39' N., long 158 deg. 38' W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. euomphalacean
New genus? B (Pleurotomariacea)
51ARr101 (13216-PC) , Howard Pass , Reiser, H.N.; 1951; same locality as 13215; station 79e. (description from Yochelson and Dutro, 1960, p. 129)

[Armstong, 5/17/67]: Howard Pass, Rolling Pin Creek, 68 deg. 39.30' lat, 158 deg. 37.2' long. Isolated outcrops of Nuka Fm.

Indet. pleurotomariacean
51ARr84 (13219-PC) , Howard Pass , Reiser, H.N.; 1951; Howard Pass quadrangle, Kiligwa River valley; lat 68 deg. 35' N., long 158 deg. 20' W. (description from Yochelson and Dutro, 1960, p. 129)
Indet. euomphalacean
51ARr107 (13222-PC) , Howard Pass , Reiser, H.N.; 1951; Howard Pass quadrangle; same locality as 13219. (description from Yochelson and Dutro, 1960, p. 129)
Indet. pleurotomariacean
51ATr1 (13225-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; Ipnavik River valley, lat 68 deg. 21' N., long 157 deg. 18' W. (description from Yochelson and Dutro, 1960, p. 129)
Platyceras (Orthonychia) sp.
51ATr10 (13228-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; Ipnavik River valley; lat 68 deg. 22'30" N., long 157 deg. 15' W. (description from Yochelson and Dutro, 1960, p. 129)
Platyceras (Orthonychia) sp.
51ATr346 (13231-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; Kuna River valley; lat 68 deg. 22' N., long 157 deg. 42' W. (description from Yochelson and Dutro, 1960, p. 129)
Platyceras (Orthonychia) sp.
51ATr347 (13232-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13231. (description from Yochelson and Dutro, 1960, p. 130)
Platyceras (Orthonychia) sp.
51ATr350 (13234-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13231. (description from Yochelson and Dutro, 1960, p. 130)
Bellerophon sp.
Indet. euomphalacean
Turbonellina? lata n. sp.
Phymatopleura sp.
Indet. pleurotomariacean
Indet. neritacean
51ATr351 (13235-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13231. (description from Yochelson and Dutro, 1960, p. 130)
Bellerophon sp.
Straparollus (Euomphalus) brooksensis n. sp.
Turbonellina? lata n. sp.
Indet. pleurotomariacean
Naticopsis (Naticopsis) sp.
Indet. neritacean
Indet. loxonematacean
51ATr352 (13236-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13231. (description from Yochelson and Dutro, 1960, p. 130) [Gordon, 1957, p. 18 provides following description: "I.L. Tailleur, 1951. Brooks Range, Howard Pass quadrangle, lat. 68 deg. 20' N., long. 157 deg. 42' W., on tributary of Kuna River, about two miles from headwaters. Wachsmuth (?) limestone, 185 feet above base of measured section."] [Note by R.B. Blodgett: note discrepancy between given lat. in two above references]
Gosseletina? sp.
Indet. pleurotomariacean
Platyceras (Orthonychia) sp.
51ATr353 (13237-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13231. (description from Yochelson and Dutro, 1960, p. 130)
Platyceras (Orthonychia) sp.
51ATr354 (13238-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13231. (description from Yochelson and Dutro, 1960, p. 130)
Platyceras (Orthonychia) sp.
51ATr392 (13240-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; Kiligwa River valley; lat 68 deg. 32' N., long 158 deg. 51' W. (description from Yochelson and Dutro, 1960, p. 130) [Gordon, 1957, p. 18 provides following description: "I.L. Tailleur, 1951. Brooks Range, Howard Pass quadrangle, lat. 68 deg. 32' N., long. 158 deg. 51' W., northward-trending ridge of DeLong Mountains between tributaries of the two major forks of Kiligwa River. Lisburne group undifferentiated, about 440 feet stratigraphically below base of 105-foot thick sill."]
Euphemites sp.
Straparollus (Euomphalus) brooksensis n. sp.
Naticopsis (Naticopsis) suturicompta n. sp.
cf. Murchisonia sp.
Indet. murchisoniacean
Genus indet.
51ATr393 (13241-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13240. (description from Yochelson and Dutro, 1960, p. 130) [Gordon, 1957, p. 18 provides following description: "I.L. Tailleur, 1951. Brooks Range, Howard Pass quadrangle, same general locality as 13240. Lisburne Group undifferentiated, limestone about 30 feet above top of 105-foot sill of igneous rock."]
Indet. euomphalacean
51ATr394 (13242-PC) , Howard Pass , Tailleur, I.L.; 1951; same locality as 13240. (description from Yochelson and Dutro, 1960, p. 130)
Anematina? sp.
51ATr406 (13245-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; Kiligwa River valley; lat 68 deg. 33' N., long 158 deg. 53' W. (description from Yochelson and Dutro, 1960, p. 130)
Indet. bellerophontacean
Indet. euomphalacean
51ATr412-PC (13246-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; Kiligwa River vally; lat 68 deg. 30'30" N., long 158 deg. 48' W. (description from Yochelson and Dutro, 1960, p. 130)
Indet. neritacean
Platyzona sp.
Genus indet.
51ATr162 (13247-PC) , Howard Pass , Reiser, H.N.; 1951; Howard Pass quadrangle; Kiligwa River valley; lat 68 deg. 33' N., long 158 deg. 54' W. (description from Yochelson and Dutro, 1960, p. 130)
Indet. euomphalacean
Indet. neritacean
51ATr323 (13252-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; station T-91, Kiligwa River valley; lat 68 deg. 25' N., long 158 deg. 26' W. (description from Yochelson and Dutro, 1960, p. 130)
Platyceras (Orthonychia) sp.
51ATr328 (13254-PC) , Howard Pass , Tailleur, I.L.; 1951; Howard Pass quadrangle; station T-92, Kiligwa River valley; lat 68 deg. 25' N., long 158 deg. 27' W. (description from Yochelson and Dutro, 1960, p. 130)
Platyceras (Orthonychia) sp.
Indet. neritacean
51ATr329 (13255-PC) , Howard Pass , Tailleur, I.L.; 1955; same locality as 13254. (description from Yochelson and Dutro, 1960, p. 130)
Indet. neritacean
51AKt124 (13258-PC) , Howard Pass , Kent, B.H.; 1951; Howard Pass quadrangle; Kuna River valley; lat 68 deg. 22' N., long 157 deg. 42' W. (description from Yochelson and Dutro, 1960, p. 130)
Indet. bellerophontacean
Platyceras (Orthonychia) sp.
50ABe31 (13278-PC) , Chandler Lake , Brosge, W.P.; 1950; Chandler Lake quadrangle; Chandler Lake area; lat 68 deg. 18'30" N., long 152 deg. 40'30" W.; section B-20, 40 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 130)
Anematina rockymontanum (Shimer)
50ABe43 (13286-PC) , Chandler Lake , Brosge, W.P.; Chandler Lake quadrangle; 11,000 ft N. 86 deg. E. of astronomical point on Little Chandler Lake; lat 68 deg. 17' N., long 152 deg. 36'30" W.; about 500-550 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 130)
Indet. euomphalacean
Indet. neritacean
50ABe45 (13287-PC) , Chandler Lake , Brosge, W.P.; 1950; same locality as 13286; from float about 800 ft above base of Lisburne group (may be basal Alapah limestone). (description from Yochelson and Dutro, 1960, p. 130)
Bellerophon sp.
50ABe46 (13288-PC) , Chandler Lake , Brosge, W.P.; 1950; same locality as 13286; from about 200 ft above base of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 130)
Anematina rockymontanum (Shimer)
50ABe117 (13292-PC) , Chandler Lake , Gudim, C.H., Reiser, H.N.; 1950; Chandler Lake quadrangle; 5 mi west of Little Chandler Lake, from southern Lisburne klippe; lat 68 deg. 18' N., long 152 deg. 45' W.; about 250 ft above base of Wachsmuth limestone. (description from Yochelson and Dutro, 1960, p. 130)
Platyceras (Orthonychia) sp.
50ARr18 (14035-PC) , Philip Smith Mts , Reiser, H.N.; 1950; Philip Smith Mountains quadrangle; Galbraith Lake area; lat 68 deg. 29' N., long 149 deg. 13' W., possibly from upper part of formation. (description from Yochelson and Dutro, 1960, p. 130)
Platyceras (Platyceras) sp.
49AMg91 (14074-PC) , Howard Pass , Mangus, M.D.; 1949; Howard Pass quadrangle; about 5 mi east of Howard Pass Lake; lat 68 deg. 12' N., long 156 deg. 38' W. (description from Yochelson and Dutro, 1960, p. 130)
Indet. euomphalacean
49ALa5 (14097-PC) , Howard Pass , Lachenbruch, A.H.; 1949; Howard Pass quadrangle; Etivluk River valley, cutbank in Fay Creek, 5 mi west of Etivluk River; lat 68 deg. 20' N., long 156 deg. 53' W. (description from Yochelson and Dutro, 1960, p. 130)
Indet. euomphalacean
50ARr23 (14099-PC) , Philip Smith Mts , Reiser, H.N.; 1950; Philip Smith Mountains quadrangle; Galbraith Lke area; lat 68 deg. 29' N., long. 149 deg. 13' W.; basal bed of Siksikpuk formation. (description from Yochelson and Dutro, 1960, p. 130)
Straparollus (Euomphalus) alaskensis n. sp.
53APa105 (14150-PC) , Chandler Lake , Patton, W.W., Jr., Bowsher, A.L., 1953; Chandler Lake quadrangle; cutbank near head of Kiruktagiak River; lat 68 deg. 20'30" N., long 152 deg. 54' W.; top of Alapah limestone. (description from Yochelson and Dutro, 1960, p. 130)
Nodospira ornata n. sp.
53ABo (14151-PC) , Chandler Lake , Patton, W.W., Jr., Bowsher, A.L.; 1953; same locality as 14150. (description from Yochelson and Dutro, 1960, p. 130)
Indet. bellerophontacean
Indet. euomphalacean
Bembexia? inumbilicata n. sp.
53APa122 (14152-PC) , Chandler Lake , Siksikpuk Formation, type (composite) section; siltstones in cutband on east side of Skimo Creek; lat. 68 deg. 17' N., long. 151 deg. 53' N. Collector: A.S. Keller, 1950. (description from Rowett, 1975, USGS Prof. Paper 823-D, p. 65) [Yochelson and Dutro, 1960, p. 130 provide following description: "Patton, W.W., Jr., 1953; same locality as 11814"]
Straparollus (Euomphalus) alaskensis n. sp.
53APa43 (14169-PC) , Misheguk Mtn , Sable, E.G.; 1953; Misheguk Mountain quadrangle; Nuka River valley; lat 68 deg. 39'30" N., long 159 deg. 16' W. (description from Yochelson and Dutro, 1960, p. 130)
Mourlonia? reloba n. sp.
49ATr449A (14174-PC) , Chandler Lake , Tailleur, I.L.; 1949; Chandler Lake quadrangle; rubble west of Kiruktagiak River; lat 68 deg. 23' N., long 152 deg. 54' W. (description from Yochelson and Dutro, 1960, p. 131)
Trepospira (Trepospira) sp.
Glabrocingulum (Glaborocingulum) sp.
53ATr79 (14947-PC) , Misheguk Mtn , Tailleur, I.L.; 1951 (Note by R.B. Blodgett: field locality number locality implies collection made in 1953); Misheguk Mountain quadrangle, Nuka River valley; lat 68 deg. 36' N., long 159 deg. 18' W. (description from Yochelson and Dutro, 1960, p. 131)
Indet. pleurotomariacean
F4 of 2 June (14954-PC) , Chandler Lake , Bowsher, A.L.; 1950; Chandler Lake quadrangle; Shainin Lake area; lat 68 deg. 19'21" N., long 150 deg. 55' W. (description from Yochelson and Dutro, 1960, p. 131)
Straparollus (Euomphalus) sp.
F3 of 10 June (14965-PC) , Chandler Lake , Bowsher, A.L.; 1950; Chandler Lake quadrangle; Shainin Lake area; lat 68 deg 19'20" N., long 150 deg. 53'30" W. (description from Yochelson and Dutro, 1960, p. 131)
Platyceras (Orthonychia) sp.
50ABe22 (14984-PC) , Philip Smith Mts , Brosge, W.P.; 1950; Philip Smith Mountain quadrangle; Galbraith Lake area; lat 68 deg. 26' N., long 149 deg. 22' W. (description from Yochelson and Dutro, 1960, p. 131)
Platyceras (Orthonychia) sp.
50ABe3 (14992-PC) , Chandler Lake , Brosge, W.P.; 1950; Chandler Lake quadrangle; Anaktuvuk River valley; lat 68 deg. 16'30" N., long 151 deg. 34' W. (description from Yochelson and Dutro, 1960, p. 131)
Indet. bellerophontacean
50ABe33 (15408-PC) , Chandler Lake , Brosge, W.P.; 1950; Chandler Lake quadrangle; Chandler Lake area; lat 68 deg. 17' N., long 152 deg. 36'30" W.; from section B-17. (description from Yochelson and Dutro, 1960, p. 131)
Bellerophon sp.
47AGr182 (15430-PC) , Mt Michelson , Gryc, G.; 1947; Mt. Michelson quadrangle; Canning River area; lat 69 deg. 17' N., long 145 deg. 59' W. (description from Yochelson and Dutro, 1960, p. 131)
Indet. euomphalacean
Naticopsis (Naticopsis) suturicompta n. sp.
53ASa247 (15453-PC) , Point Hope , Sable, E.G.; 1953; Point Hope quadrangle; Cape Lisburne area, north side of Lisburne Hills; lat 68 deg. 49' N., long 165 deg. 58' W. (description from Yochelson and Dutro, 1960, p. 131)
Straparollus (Euomphalus) alaskensis n. sp.
Mourlonia? reloba n. sp.
Indet. pleurotomariacean
53ABo18 (15455-PC) , Point Hope , Bowsher, A.L.; 1953; Point Hope quadrangle; Cape Lisburne area; approximate lat 68 deg. 52' N., long 166 deg. 08' W. (description from Yochelson and Dutro, 1960, p. 131)
Indet. euomphalacean
51ADt147 (15813-PC) , Philip Smith Mts , Detterman, R.L.; 1951; Philip Smith Mountains quadrangle; Lupine River; lat 68 deg. 49' N., long 148 deg. 22'30" W. (description from Yochelson and Dutro, 1960, p. 131)
Straparollus (Euomphalus) alaskensis n. sp.
51AKe162 (15817-PC) , Philip Smith Mts , Keller, A.S.; 1951; Philip Smith Mountains quadrangle; Ribdon River, about 3 mi southwest of Elusive Lake; lat 68 deg. 40'10" N., long 148 deg. 27'45" W.; 100 ft above base of Sadlerochit formation. (description from Yochelson and Dutro, 1960, p. 131)
Indet. euomphalacean
52AMo5 (15826-PC) , Sagavanirktok , Morris, R.H.; 1952; Sagavanirktok quadrangle; Kemik Creek; lat 69 deg. 20'30" N., long 147 deg. 02' W.; 10 ft above base of Sadlerochit formation. (description from Yochelson and Dutro, 1960, p. 131)
cf. Spiroscala sp.
52AMo37 (15829-PC) , Mt Michelson , Morris, R.H.; 1952; Mt. Michelson quadrangle; Cache Creek, Canning River; lat 69 deg. 28' N., long. 145 deg. 49' W. (description from Yochelson and Dutro, 1960, p. 131)
Amphiscapha (Cylicioscapha) grada n. sp.