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Authors: |
Grant-Mackie, J. A.
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Silberling, Norman J.
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| Editors: |
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| Date: |
/1990 |
| Title: |
New data on the Upper Triassic bivalve Monotis in North America, and the subgenus Pacimonotis |
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64 , 2 , 240-254, |
| Host: |
Journal of Paleontology : |
| Document Type: |
Article\Abst.\Chapter\report |
| Annotation: |
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| UserNote |
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F 43 of F.H. Moffit, 1916
(Mesozoic loc. 9961)
, Mc Carthy
, Float in gulch below cliff on Mill Creek at locality F 44. F.H. Moffit, 1916. (description from Martin, 1926, p. 31) [Wrangell Mountains, southern Alaska; Mill
Creek tributary to Lakina River on west side near forks of creek, 2.5 miles (4 km) from Lakina River; from float in gulch below cliff. Coll.: F. H. Moffitt, field no. 43, Sept. 3, 1916. McCarthy 1:250,000 quadrangle. Wrangellia terrane. (from Grant-Mackie and Silberling, 1990 p. 253)
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Monotis (Pacimonotis) alaskana Smith, 1927
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43ACa39
(Mesozoic loc. 18927)
, Taylor Mts
, W.M. Cady, 1943. Seven miles south of Flat Top Mountain, crest of spur of ridge east of Cinnabar Creek, about 1 mile northwest of mouth of creek. Coquina of Monotis subcircularis (Gabb); from upper Triassic, "Noric stage". (description from Cady et al., 1955); Silberling et al., 1997, p. 18 provide following description: "Kuskokwim Mountains, southwestern Alaska; 34 miles S. 73 deg. W. of Kashegelok on crest of spur of ridge east of Cinnabar Creek at a point about 1 miles N. 60 deg. W. of the mouth of the creek. Coll.: W.M. Cady, 1943, field No. 43ACa39 [Taylor Mountain 1:250,000 quadrangle; Togiak terrane]; [Lat. 60.7700, Long. 158.8127 coquina-siltstone (description from Karl et al., 2011)]; Grant-Mackie and Silberling, 1990, p. 253, provide the following data: "USGS Mesozoic loc. 18927. Kuskokwim Mountains, southwestern Alaska; 34 miles S. 73°W. of Kashegelok on crest of spur of ridge east of Cinnabar Creek at a point about 1 mile (1.6 km) N. 60°W. of the mouth of the creek. Coll.: W. M. Cady, 1943, field no. 43ACa39. Taylor Mountain 1:250,000 quadrangle. Togiak terrane."
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Monotis (Monotis) haueri Kittl, 1912
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80S431
(Mesozoic loc. D11284)
, Medfra
, Kuskokwim Mountains, west-central Alaska; Medfra C-3 1:63,360 quadrangle; float from narrow strip of rubble on south side of ridge; center E 1/2 SE 1/4 sec. 12, T. 22 S., R. 24 E. Coll.: N.J. Silberling, and others, 1980, field No. 80S431. [Nixon Fork terrane] (description from Silberling et al., 1997, p. 19); Grant-Mackie and Silberling, 1990, p. 253 give following data: "USGS Mesozoic loc. D11284. Kuskokwim Mountains, west-central Alaska; Medfra C-3 1:63,360 quadrangle; float from narrow strip of rubble on south side of ridge; center E1/2SE1/4 sec. 12, T22S, R24E. Coll.: N. J. Silberling and others, 1980, field no. 80S431. Nixon Fork terrane."
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no taxa listed, but only locality description given
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80S436
(Mesozoic loc. D11286)
, Medfra
, Kuskokwim Mountains, west-central Alaska; Medfra C-3 1:63,360 quadrangle; bedrock on ridge crest a few tens of meters stratigraphically above float of middle Norian Halobia and several meters below float of Monotis (P.) subcircularis and Heterastridium; SE1/4 NW1/4 sec. 2, T. 22 S., R. 24 E. Coll.: N.J. Silberling, 1980, field No. 80S436. [Nixon Fork terrane] (description from Silberling et al., 1997, p. 19); Grant-Mackie and Silberling, 1990, provide following data: "USGS Mesozoic loc. D11286. Kuskokwim Mountains, west-central Alaska; Medfra C-3 1:63,360 quadrangle; bedrock on ridge crest a few tens of meters stratigraphically above float of middle Norian Halobia and several meters below float of Monotis subcircularis; SE1/4NW1/4 sec. 2, T22S, R24E. Coll.: N. J. Silberling, 1980, field no. 80S436. Nixon Fork terrane."
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Monotis (Eomonotis) anjuensis Bytschkov and Efimova, 1966
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80ADt170
(Mesozoic loc. D11289)
, Karluk
, Alaska Peninsula, southwestern Alaska; Karluk C-4 and C-5 quadrangle; limestone 2 miles N. 81° E. of VABM Kek; lat. 57°44'30" N., long 155°17'20" W. Coll.: R.L. Detterman, 1980, field No. 80ADt170. [Peninsular terrane] (description from Silberling et al., 1997, p. 19); Grant-Mackie and Silberling, 1990, p. 253 provide following data: "USGS Mesozoic loc. D 11289. Alaska Peninsula, southwestern Alaska;
Karluk C-4 and C-5 quadrangle; limestone 2 miles (3.2 km) N.
81°E. of VABM Kek (elev. 365 m); lat. 57°44'30"N., long.
155°17'20"W. Coll.: R. L. Detterman, 1980, field no. 80ADt 170.
Peninsular terrane."
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Monotis (Monotis) alaskana Smith, 1927
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77-S-152
(Mesozoic loc. D12569)
, Healy
, Talkeetna Mountains, southern Alaska; Healy A-5 quadrangle; float from interbedded tuffaceous sedimentary rocks and basalt; center S 1/2 NW 1/4 sec. 24, T. 20 S., R. 9 W. Coll.: N.J. Silberling, 1977, field No. 77S152 [Susitna terrane] (description from Silberling et al., 1997, p. 19); Grant-Mackie and Silberling, 1990, p. 253 provide the following data: "USGS Mesozoic loc. D12569. Talkeetna Mountains, southern Alaska; Healy A-5 quadrangle; float from interbedded tuffaceous sedimentary rocks and basalt; center S1/2NW/4 sec. 24, T20S, R9W. Coll.: N. J. Silberling, 1977, field no. 77S152. Susitna terrane."
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no taxa listed, but detailed locality description given
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76S221
(Mesozoic loc. 12582)
, Philip Smith Mts
, USGS Mesozoic loc. D12582. Northern Alaska; Philip Smith Mountains 1:250,000 quadrangle; northwest side of Atigun River; top of the limestone member of the Otuk Formation, 1.5 m stratigraphically below calcareous, glauconitic sandstone unit 0.5 m thick that may be a tongue of the Karen Creek Sandstone; center W1/2, E1/2, NE1/4 sec. 23, T11S, R12E. Coll.: N. J. Silberling, 1976, field no. 76S221. Endicott Mountains subterrane of Arctic Alaska terrane. (from Grant-Mackie and Silberling, 1990, p. 253)
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69ACk-1037
(Mesozoic loc. D12909)
, Taylor Mts
, USGS Mesozoic loc. D12909. Kuskokwim Mountains, southwestern Alaska; Taylor Mountains D-8 quadrangle; Cinnabar Creek area; lat. 60°46'N., long. 158°48'W. Coll.: A. L. Clark, 1969, field no. 69ACk-1037. (from Grant-Mackiew and Silberling, 1990 p. 253)
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no taxa listed, but detailed locality description given
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ADB-123F
(Mesozoic loc. M749)
, Karluk
, Alaska Peninsula, southwestern Alaska; on coast near point between Cape Kekurnoi and Puale Bay about 1/2 mile NE. from the cabin near VABM 96 on Karluk 1:250,000 quadrangle; Monotis occurs about 400 feet above base(?) of Triassic section and 250-300 feet above coralline limestone that rests on Permian(?). Coll.: M.C. Lachenbruch, 1959, field No. ADB-123F. [Karluk 1:250,000 quadrangle; Peninsular terrane] (description from Silberling et al., 1997, p. 19); Grant-Mackie and Silberling, 1990, p. 254 provide the following data: USGS Mesozoic loc. M749. Alaska Peninsula, southwestern Alaska; on coast near point between Cape Kekurnoi and Puale Bay; about 0.5 mile (800 m) northeast from cabin near VABM 96 on Karluk 1:250,000 quadrangle. Coll.: M. C. Lachenbruch, Gulf Oil Co., 1959, field no. ADB-123F. Peninsular terrane."
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Monotis (Pacimonotis) subcircularis Gabb
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60ABa732
(USGS Mesozoic locality M1020)
, Charley River
, About 7 miles south of mouth of Nation River, along west bank of Trout Creek opposite mouth of tributary from east. Coordinates (8.9, 6.2). (description from Silberling E&R report); Upper Yukon, east-central Alaska; Charley River A-2 1:63,360 quadrangle; about 7 miles south of mouth of Nation River; west banks of Trout Creek opposite mouth of tributary from east; lat 65°05.3' N., long 141°41.7' W. Coll.: E.E. Brabb, 1960, field No. 60ABa732. [In rocks not included among the Phanerozoic accretionary terranes] (description from Silberling et al., 1997, p. 19-20); Grant-Mackie and Silberling, 1990, p. 254, provides the following: " USGS Mesozoic loc. M1020. Upper Yukon, east-central Alaska; Charley River A-2 1:63,360 quadrangle; about 7 miles (11.3 km) south of mouth of Nation River; west bank of Trout Creek opposite mouth of tributary from east; lat. 65°05.3'N., long. 141°41.7'W. Coll.: E. E. Brabb, 1960, field no. 60ABa732. Ancestral North America (i.e., rocks not regarded as an accreted terrane).'
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Monotis (Eomonotis) daonelliformis Kiparisova, 1960
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62-21 of N.J. Silberling, 1962
(Mesozoic loc. M1692)
, Mc Carthy
, Wrangell Mountains, southern Alaska; McCarthy C-5 1:63,360 quadrangle; nose of spur between head of East Fork Creek and "Anticline Valley"; center E 1/2 sec. 16, T. 4 S., R. 15 E.; 415 feet above base of the McCarthy Formation. Coll.: N.J. Silberling, 1962, field No. 62-21. [Wrangellia terrane] (description from Silberling et al., 1997, p. 20); [USGS Mesozoic loc. M1692. Wrangell Mountains, southern Alaska; McCarthy C-5 1:63,360 quadrangle; nose of spur between head of East Fork Creek and Anticline Valley; center E1/2 sec. 16, T4S, R15E; 415 ft (125 m) above base of McCarthy Formation. Coll.: N. J. Silberling, 1962, field no. 62-21. Wrangellia terrane. (description of Grant-Mackie and Silberling, 1990, p. 254)]
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Monotis (Monotis) alaskana Smith, 1927
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62-22 of N.J. Silberling, 1962
(Mesozoic loc. M1693)
, Mc Carthy
, Same as for locality M1692, but 475 feet above base of the McCarthy Formation. Coll.: N.J. Silberling, 1962, field No. 66-22. [Wrangellia terrane] (description from Silberling et al., 1997, p. 20); [USGS Mesozoic loc. M1693. Same as for loc. M1692, but 475 ft (145 m) above base of McCarthy Formation. Coll.: N. J. Silberling, 1962, field no. 62-22. (description from p. 254 of Grant-Mackie and Silberling, 1990)]
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Monotis (Monotis) haueri Kittl, 1912
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62-24 of Silberling, 1962
(Mesozoic loc. M1700)
, Mc Carthy
, Wrangell Mountains, southern Alaska; McCarthy C-4 1:63,360 quadrangle; collection from single bed about 70 feet below top of cliff-forming unit in lower part of McCarthy Formation on S. side of Monotis Creek alongside lower rock glacier; lat. 61° 32.10' N., long. 142° 25.75' W. Coll.: N.J. Silberling, 1962, field No. 62-24. [Wrangellia terrane] (description from Silberling et al., 1997, p. 20); [USGS Mesozoic loc. M1700. Wrangell Mountains, southern Alaska;
McCarthy C-4 1:63,360 quadrangle; collection from single bed
about 70 ft (21 m) below top of cliff-forming unit in lower part
of McCarthy Formation on south side of Monotis Creek alongside lower rock glacier; lat. 61°32.10'N., long. 142°25.75'W. Coll.:
N. J. Silberling, 1962, field no. 62-24. Wrangellia terrane. (description from Grant-Mackie and Silberling, 1990, p. 254)]
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no taxa listed, but detailed locality description given
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62-9 of N.J. Silberling, 1962
(Mesozoic loc. M1714)
, Charley River
, Upper Yukon region, east-central Alaska; Charley River A-2 1:63,360 quadrangle; black paper shale several tens of feet above Trout Creek on its west side; center NE 1/4 NW 1/4 SW 1/4 sec. 17, T. 3 N., R. 30 E. Coll.: N.J. Silberling, 1962, field No. 62-9. [In rocks not included among the Phanerozoic accretionary terranes] (description from Silberling et al., 1997, p. 20); [USGS Mesozoic loc. M1714. Upper Yukon, east-central Alaska; Charley River A-2 1:63,360 quadrangle; black papery shale several
tens of feet above Trout Creek on its west side; center NE1/4NW1/4SW1/4 sec. 17, T3N, R30E. Coll.: N. J. Silberling, 1962, field no. 62-9. Ancestral North America. (description from Grant-Mackie and Silberling, 1990, p. 254)
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Monotis (Eomonotis) daonelliformis Kiparisova, 1960
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63ATr330 - 27 ft
(Mesozoic loc. M2157)
, Point Hope
, No Data; Grant-Mackie and Silberling, 1990, p. 254 provide the following locality data: USGS Mesozoic loc. M2157. Northern Alaska; Pt. Hope 1:250,000 quadrangle; single bed within partial section of Otuk Formation in low cuts on south bank of Kukpuk River. Coll.: I. L. Tailleur, 1963, field no. 63ATr330. Subterrane transitional between Endicott Mountains and North Slope subterranes of Arctic Alaska terrane. (from p. 254)
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Monotis (Entomonotis) pachypleura (Teller, 1886)
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64AAn61
(Mesozoic loc. M2545)
, Point Hope
, Ipewick River; upper 8 feet of 55-foot section. (description from Silbering E&R report of 1/25/65; Shipment A-64-23M)[[Transmittal sheet of Tailleur, dated Oct. 2, 1964 states: "Ipewik River section (165 deg. 39' W, 68 deg. 24'30" N) Upper 8' of 55' section over est. 20' cover then Siksikpuk? Formation."]; [USGS Mesozoic loc. M2545. Northern Alaska; Pt. Hope 1:250,000 quadrangle; Ipewik River; upper 8 ft (2.4 m) of exposed 55 ft (17 m) thick section of Otuk Formation; lat. 68°24.5'N., long. 165°39'W. Submitted by I. L. Tailleur, field no. 64AAn61. Subterrane transitional in character between North Slope and Endicott Mountains subterranes of Arctic Alaska terrane. (from p. 254 of Grant-Mackie and Silberling, 1990)
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Monotis (Entomonotis) pachypleura (Teller, 1886)
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64ATr120
(Mesozoic loc. M2552)
, Point Hope
, About 8 miles south-southeast of Mt. Hamlet. (description from Silberling E&R report of 1/25/65; Shipment A-64-23M)[Transmittal sheet of Tailleur, dated Oct. 2, 1964 states: "(165 deg. 47'N, 68 deg. 40'N). About 8 miles southeast of Mt. Hamlet. Slat [probably meant "slab" not by R.B. Blodgett] of well preserved Monotis"]; [USGS Mesozoic loc. M2552. Northern Alaska; Pt. Hope 1:250,000 quadrangle; single slab from Otuk Formation about 8 miles (13 km) south southeast of Mt. Hamlet; 165°47'W., 68°40'N. Coll.: I. L. Tailleur, field no. 64ATr120. Same subterrane as M2545. (description from Grant-Mackie and Silberling, 1990, p. 254)]
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Monotis (Entomonotis) pachypleura (Teller, 1886)
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ROC 1113
(Stanford Univ. loc. SU 3652)
, Karluk
, Alaska Peninsula, southwestern Alaska; Karluk C-4 and C-5 1:63,360 quadrangle; east side of Puale Bay about 2,300 feet N. 40° W. of VABM Hike. Coll.: W.T. Rothwell, Jr., 1962, field No. ROC 1113. [Peninsular terrane] (description from Silberling et al., 1997, p. 21); [tanford Univ. loc. SU3652. Alaska Peninsula, southwestern Alaska;
Karluk C-4 and C-5 1:63,360 quadrangle; east side of Puale Bay
about 2,300 ft (700 m) N. 40°W. of VABM Hike. Coll.: W. T.
Rothwell, 1962, field no. ROC 1113. Peninsular terrane. (description from Grant-Mackie and Silberling, 1990, p. 254)]
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Monotis (Monotis) alaskana Smith, 1927
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