UCMP 3850 Hamilton Creek (Oligocene of the United States)

Where: Yakutat County, Alaska (60.1° N, 142.3° W: paleocoordinates 60.3° N, 134.2° W)

• coordinate estimated from map

When: Poul Creek Formation, Chattian (28.1 - 23.0 Ma)

• referred to as Upper Oligocene Poul Formation by Clark 1932; updated to current USGS stratigraphic nomenclature of Poul Creek Fm.

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the UCMP

Primary reference: B. L. Clark. 1932. Fauna of the Poul and Yakataga Formations (Upper Oligocene) of Southern Alaska. Bulletin of the Geological Society of America 43:797-846 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195951: authorized by Patricia Holroyd, entered by Patricia Holroyd on 01.09.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Cerithioidea - Turritellidae
Turritella hamiltonensis n. sp.
Turritella hamiltonensis n. sp. Clark 1932 turret shell
 Epitonioidea - Epitoniidae
Epitonium (Boreoscala) cf. groenlandica
 Neogastropoda - Volutidae
Psephaea corrugata n. sp.
Psephaea corrugata n. sp. Clark 1932 volute
 Neogastropoda - Fasciolariidae
Fusinus cf. hanniabli
 Sorbeoconcha - Naticidae
"Natica (Cryptonatica) "n. sp."" = Cryptonatica
"Natica (Cryptonatica) "n. sp."" = Cryptonatica Dall 1892 moon snail
 Opisthobranchia - Haminoeidae
Haminoea "n. sp.?"
Haminoea "n. sp.?" Turton and Kingston 1830 snail
Bivalvia
 Nuculida - Nuculidae
Nucula (Acila) hamiltonensis n. sp.
Nucula (Acila) hamiltonensis n. sp. Clark 1932 divaricate nutclam
 Nuculanida - Yoldiidae
Yoldia sp.
Yoldia sp. Möller 1842 clam
 Carditida - Carditidae
Venericardia hamiltonensis
 Thraciida - Thraciidae
Thracia schencki
Thracia schencki Teglund 1933 clam
 Hiatellida - Hiatellidae
"Saxicava pholadis" = Hiatella arctica
"Saxicava pholadis" = Hiatella arctica Linnaeus 1767 clam
 Cardiida - Veneridae
"Pitaria (Katherinella) arnold" = Katherinella
"Pitaria (Katherinella) arnold" = Katherinella venus clam
 Cardiida - Mactridae
"Spisula ramonensis" = Mactromeris ramonensis, Schizothaerus trapezoides n. sp.
"Spisula ramonensis" = Mactromeris ramonensis Packard 1916 clam
Schizothaerus trapezoides n. sp. Clark 1932 clam
 Cardiida - Cardiidae
"Cardium (Papyridea) brooksi n. sp." = Ciliatocardium brooksi, Cardium (Serripes) hamiltonensis n. sp.
"Cardium (Papyridea) brooksi n. sp." = Ciliatocardium brooksi Clark 1932 cockle
Cardium (Serripes) hamiltonensis n. sp. Clark 1932 cockle
 Cardiida - Tellinidae
Macoma cf. middendorffii
 Cardiida - Psammobiidae
? Heterodonax sp.
? Heterodonax sp. Morch 1853 clam