Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Pleistocene and Holocene
Kinds of fossils: Mollusks
Quadrangle or area: Meade River and Wainwright 1:250,000 quads.
Shipment No.: A-83-5M
Referred by: Hopkins, David M.
Report prepared by: Marincovich, Louie , Jr.
Date: 05/05/1983

This report deals with 42 collections of Pleistocene and Holocene mollusks and miscellaneous other invertebrates from the Arctic Coastal Plain of Alaska. Most collections are from the Pleistocene Gubik Formation exposed along Skull Cliff, southwest of Barrow; these collections are keyed to the stratigraphic section and unit numbers of Julie K. Brigham (JKB), University of Colorado, Boulder. Most field locality numbers are those of George Kennedy (GK), some are those of Dave Hopkins (HP) and Dale Russell (DR). The collections are listed below numerically according to M number.

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GK-81-A5-B (Cenozoic loc. M7906) , Meade River , JKB section 20, unit 5. Exposures upstream from mouth of gully that enters ocean 0.54 miles NE of mouth of Tuapaktushak Creek, SW 1/4, NE 1/4, sec. 15, T. 18 N., R. 22 W. Meade River (D-3) quadrangle.
Clinocardium cf. C. ciliatum
Serripes cf. S. laperousii
Macoma (Macoma) cf. M. (M.) brota
Cyclocardia crebricostata
Natica (Cryptonatica) clausa
Admete cf. A. couthouyi
GK-81-A10-C (Cenozoic loc. M7907) , Meade River , JKB section 20, unit 5, at contact with unit 4. Shell lens 20 cm long on N side of gully 98 m upstream from mouth of gully, 0.54 miles NE of mouth of Tuapaktushak Creek, SW 1/4, NE 1/4, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Nuculana (Nuculana) cf. N. (N.) radiata
Liocyma fluctuosa
Clinocardium ciliatum
Macoma (Macoma) cf. M. (M.) brota
Cyclocardia crebricostata
Serripes laperousii
Genus indet.
Natica (Cryptonatica) clausa
Polinices (Euspira) pallidus
Polinices new sp.?
Buccinum sp.
Plicifusus kroyeri
Admete couthouyi
Oenopota sp.
GK-81-A5-D (Cenozoic loc. M7908) , Meade River , JKB section 20, unit 5. Shells from clay bed 98 m upstream from mouth of gully, on north side of canyon 0.54 miles NE of mouth of Tuapaktushak Creek, SW 1/4, NE 1/4, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Cyclocardia crebricostata
Macoma (Macoma) cf. M. (M.) brota
Clinocardium ciliatum
Serripes laperousii
Taxodont genus indet.
GK-81-A5-E (Cenozoic loc. M7909) , Meade River , JKB section 20, unit 5, clay. Shells collected in clay bed on south side of gully 10-15 m upstream from ocean, in gully that enters ocean 0.54 miles NE of mouth of Tuapaktushak Creek, SW 1/4, NE 1/4, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Yoldia (Yoldia) cf. Y. (Y.) myalis
Liocyma fluctuosa
Serripes cf. S. laperousii
Clinocardium ciliatum
Cyclocardia crebricostata
Macoma (Macoma) cf. M. (M.) brota
Genus indeterminate
Natica clausa
Buccinum cf. B. plectrum
GK-81-A5-F (Cenozoic loc. M7910) , Meade River , JKB section 20, float. Shells as float along 100+m of canyon bottom and tributary gullies. SW 1/4, NE 1/4, sec. 25, T. 18 N., R. 22 W., Meade River (D-3) quad.
Serripes laperousii
?Serripes groenlandicus
Macoma (Macoma) cf. M. (M.) brota
Cyclocardia crebricostata
Astarte (Tridonta) borealis
Clinocardium ciliatum
Siliqua cf. S. alta
Nuculana (Nuculana) radiata
Nucula sp.
Thracia (Thracia) devexa
Hiatella arctica
Mya (Mya) pseudoarenaria
Aforia circinata
Buccinum tenellum
Buccinum cf. B. normalis
Neptunea (Neptunea) heros heros
Neptunea sp.
Oenopota aff. O. declivis
Oenopota sp.
Natica (Cryptonatica) clausa
Polinices (Euspira) pallidus
Genus indeterminate
GK-81-A5-H (Cenozoic loc. M7912) , Meade River , (=81Ahp6A) JKB section 20, unit 4. Shells collected from pea gravel in sea cliff, 55 m SW of mouth of gully that enters ocean 0.54 miles NE of mouth of Tuapaktushak Creek. SW 1/4, NE 1/4, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Macoma balthica
Macoma (Macoma) cf. M. (M.) brota
Zirfaea pilsbryi
Clinocardium cf. C. ciliatum
Serripes laperousii
Axinopsida orbiculata
Siliqua cf. S. alta
Mya (Mya) truncata
Oenopota aff. O. declivis
Oenopota cf. O. arctica
Natica (Cryptonatica) clausa
Naticid sp. indet.
Field loc. unknown (Cenozoic loc. M7912) , Meade River , Shells from pea gravel 55 m SW of mouth of gully that enters ocean 0.54 miles NE of mouth of Tuapaktushak Creek, SW 1/4, NE 1/4, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Serripes laperousii
Cyclocardia crebricostata
Macoma sp.
Astarte (Tridonta) borealis
Zirfaea pilsbryi
Macoma balthica
Yoldia sp.
Axinopsida orbiculata
Siliqua cf. S. alta
Mya sp.
Clinocardium cf. C. californiense
Natica (Cryptonatica) clausa
Polinices (Euspira) pallidus
Amauropsis islandica
Polinices new sp.?
Oenopota cf. O. arctica
Oenopota sp.
Epitonium greenlandicum
Buccinum sp.
Trichotropis cf. T. borealis
Trichotropis sp.
Lacuna sp.
Margarites cf. M. helicinus
Neptunea sp.
Admete cf. A. regina
Barnacle: large fragments
Worm: calcareous tube fragments
Vertebrate: bone fragment
GK-81-A5-I (Cenozoic loc. M7913) , Meade River , (=81Ahp81/6). JKB section 20, unit 5, basal gravel in sea cliff. Shells from sea cliff 60 m SW of mouth of gully, gully enters ocean. 0.54 miles NE of mouth of Tuapaktoshak Creek; SW 1/4, NE 1/4, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Serripes laperousii
Cyclocardia crebricostata
Yoldia sp.
Yoldia (Cnesterium) scissurata
Pandora (Pandorella) cf. P. (P.) glacialis
Clinocardium ciliatum
Mya sp.
Macoma (Macoma) cf. M. (M.) brota
Natica (Cryptonatica) clausa
Retusa umbilicata
Oenopota sp.
Hydrobia sp.
GK-81-A8-A (Cenozoic loc. M7919) , Meade River , JKB section 64, unit 5. Southwest end of sea cliff in pea gravel, about 3.5 miles NE of mouth of Tuapaktushak Creek. Center E 1/2, sec. 1, T. 18 N., Meade River (D-3) quadrangle. [Note by R.B. Blodgett, Range data not provided in description, but it is obviously R. 22 W. from written statement]
Mya sp.
Hiatella arctica
Cyclocardia crebricostata
Macoma (Macoma) cf. M. (M.) brota
Astarte (Tridonta) cf. A. (T.) borealis
Astarte (Tridonta) cf. A. (T.) montagui
Epitonium greenlandicum
Buccinum sp.
Neptunea sp.
Natica (Cryptonatica) clausa
Oenopota aff. O. declivis
Oenopota sp.
Admete couthouyi
Tachyrhynchus sp.
"Cancellaria" sp.
Genus indeterminate
GK-81-A10-A (Cenozoic loc. M7922) , Meade River , Float specimens. Float collected along 100 m in gully 0.44 miles NE of mouth of Tuapaktushak Creek, Center E 1/2, E 1/2, W 1/2, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Mya (Mya) truncata
Mya sp.
Nuculana (Nuculana) radiata
Siliqua cf. S. alta
Hiatella arctica
Clinocardium ciliatum
Astarte (Tridonta) borealis
Astarte (Tridonta) bennetti
Serripes laperousii
Cyclocardia crebricostata
Neptunea (Neptunea) heros heros
Buccinum cf. B. tenellum
GK-81-A10-B (Cenozoic loc. M7923) , Meade River , JKB section 65, unit 4C. In situ fossils from convoluted bed, 40-45 m up gully from sea cliff, on S side of gully, located 0.44 miles NE of mouth of Tuapaktushak Creek, center E 1/2, E 1/2, W 1/2, sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Mya (Mya) cf. M. (M.) pseudoarenaria
Astarte (Tridonta) montagui
Serripes laperousii
Cyclocardia crebricostata
Macoma (Macoma) cf. M. (M.) obliqua
Macoma (Macoma) cf. M. (M.) brota
Pandora sp.
?Crytodaria kurriana
Liocyma fluctuosa
Clinocardium sp.
Natica (Cryptonatica) clausa
Oenopota cf. O. arctica
GK-81-A10-D (Cenozoic loc. M7925) , Meade River , Sample from upper contact of convulted unit near JKB section 20, southwest one creek. JKB section 65, unit 5. Samples collected in gully 0.44 miles NE of mouth of Tuapaktushak Creek to 15 m up canyon from mouth center E 1/2, E 1/2, W 1/2 sec. 15, T. 18 N., R. 22 W., Meade River (D-3) quadrangle.
Cyclocardia crebricostata
Clinocardium californiense
Polinices sp. indet.