| Poul Creek Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Formation |
| Location | |
| Region | Alaska |
| Country | United States |
 | |
The Poul Creek Formation is a geologic formation in Alaska. It preserves fossils dating back to the Paleogene period.
Fossil content
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Mammals
| Mammals reported from the Poul Creek Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Arktocara | A. yakataga | Yakutat City | Incomplete skull (USNM 214830) | A platanistoid dolphin | |
Crustaceans
| Crustaceans reported from the Poul Creek Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Branchioplax | B. washingtoniana | Bering Lake | One specimen (USNM 431271) | A mathildellid crab | |
| Eumorphocorystes | E. naselensis | Kayak Island | Five specimens | A raninid crab | |
| Orbitoplax | O. plafkeri | Wingham Island | Eight specimens | A euryplacid crab | |
| Portunites | P. alaskensis |
|
Five specimens | A portunoid crab | |
Molluscs
Bivalves
| Bivalves reported from the Poul Creek Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Cardium | C. (Ceratoderma) yakatagensis | Yakataga anticline | One specimen | A cardiid | |
| C. (Laevicardium) alaskensis | Yakataga anticline | Multiple specimens | A cardiid | ||
| C. (Papyridea) brooksi | Yakataga anticline | Multiple specimens | A cardiid | ||
| C. (Serripes?) hamiltonensis | Yakataga anticline | Multiple specimens | A cardiid | ||
| Chione | C. cf. cryptolineata | Yakataga anticline | One specimen | A venerid | |
| C. securis alaskensis | Yakataga anticline | One specimen | A venerid | ||
| Heterodonax | H. sp. | Yakataga anticline | One specimen | A psammobiid | |
| Hiatella | H. arctica | Yakataga anticline | One specimen | A hiatellid, originally reported as Saxicava pholadis | |
| Leda | L. fossa | Yakataga anticline | One specimen | Reassigned to the genus Nuculana | |
| Macoma | M. cf. middendorffi | Yakataga anticline | Multiple specimens | A tellinid | |
| M. cf. secta | Yakataga anticline | Two specimens | A tellinid | ||
| Macrocallista | M. pittsburgensis | Yakataga anticline | Several specimens | A venerid | |
| M.? rearensis | Yakataga anticline | One specimen | A venerid | ||
| Mactra | M. (Mactrotoma) californica equilateralis | Yakataga anticline | Multiple specimens | A mactrid | |
| Mya | M. salmonensis | Yakataga anticline | Multiple specimens | A myid | |
| M. truncata | Yakataga anticline | One specimen | A myid | ||
| Nucula | N. (Acila) gettysburgensis alaskensis | Yakataga anticline | Multiple specimens | A nuculid | |
| N. (Acila) hamiltonensis | Yakataga anticline | Multiple specimens | A nuculid | ||
| N. (Acila) yakatagensis | Yakataga anticline | One specimen | A nuculid | ||
| Nuculana | N. fossa | Yakataga anticline | One specimen | A nuculanid, originally reported as Leda fossa | |
| Pandora | P. (Kennerlia) yakatagensis | Yakataga anticline | Multiple specimens | A pandorid | |
| Panomya | P. (Arctica) turgida | Yakataga anticline | Multiple specimens | A hiatellid | |
| P. sp. | Yakataga anticline | One specimen | A hiatellid | ||
| Pecten | P. (Patinopecten) yakatagensis | Yakataga anticline | Multiple specimens | A pectinid | |
| Phacoides | P. cf. columbianum | Yakataga anticline | Two specimens | A lucinid | |
| Pitaria | P. (Katherinella) arnoldi | Yakataga anticline | Multiple specimens | A venerid | |
| Saxicava | S. pholadis | One specimen | Junior synonym of Hiatella arctica | ||
| Schizothaerus | S. nuttallii | Yakataga anticline | Multiple specimens | A mactrid | |
| S. trapezoides | Yakataga anticline | Two specimens | A mactrid | ||
| Spisula | S. ramonensis | Yakataga anticline | Several specimens | A mactrid | |
| Tellina | T. sp. | Yakataga anticline | Two specimens | A tellinid | |
| Thracia | T. schencki | Yakataga anticline | Numerous specimens | A thraciid | |
| Thyasira | T. bisecta | Yakataga anticline | Multiple specimens | A thyasirid | |
| Venericardia | V. hamiltonensis | Yakataga anticline | Multiple specimens | A carditid | |
| V. yakatagensis | Yakataga anticline | Multiple specimens | A carditid | ||
| Yoldia | Y. indet. | Yakataga anticline | An imperfect cast | A yoldiid | |
Cephalopods
| Cephalopods reported from the Poul Creek Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Aturia | A. angusta alaskensis | Yakataga anticline | Multiple specimens | A nautiloid | |
Gastropods
| Gastropods reported from the Poul Creek Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Argobuccinum | A. sp. | Yakataga anticline | Several imperfect specimens | A cymatiid | |
| Bathybembix | B. turbonata | Yakataga anticline | Multiple specimens | An eucyclid, originally reported as Turcicula turbonata | |
| Cancellaria | C. (Progabbi) alaskensis | Yakataga anticline | Multiple specimens | A cancellariid | |
| Colus | C. rearensis | Yakataga anticline | Multiple specimens | A colid | |
| Epitonium | E. (Boreoscala) cf. groenlandica | Yakataga anticline | An imperfect specimen | An epitoniid | |
| Fusinus | F. cf. hannibali | Yakataga anticline | Multiple specimens | A fasciolariid | |
| Galeodea | G. apta | Yakataga anticline | Multiple specimens | A cassid | |
| Haminoea | H. sp. | Yakataga anticline | One specimen | A haminoeid | |
| Natica | N. (Cryptonatica) sp. | Yakataga anticline | One specimen | A naticid | |
| Neptunea | N. aff. tabulatus | Yakataga anticline | Multiple specimens | A buccinid | |
| Polinices | P. (Euspira) cf. galianoi | Yakataga anticline | Several specimens | A naticid | |
| P. (Euspira) ramonensis | Yakataga anticline | Multiple specimens | A naticid | ||
| Psephaea | P. corrugata | Yakataga anticline | Multiple specimens | A volutid | |
| Scaphander | S. alaskensis | Yakataga anticline | One specimen | A scaphandrid | |
| Turcicula | T. turbonata | Yakataga anticline | Multiple specimens | Moved to the genus Bathybembix | |
| Turritella | T. hamiltonensis | Yakataga anticline | Multiple specimens | A turritellid | |
| T. cf. porterensis | Yakataga anticline | Numerous specimens | A turritellid | ||
| T. sp. | Yakataga anticline | One specimen | A turritellid | ||
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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- Boersma, Alexandra T.; Pyenson, Nicholas D. (2016-08-16). "Arktocara yakataga, a new fossil odontocete (Mammalia, Cetacea) from the Oligocene of Alaska and the antiquity of Platanistoidea". PeerJ. 4: e2321. doi:10.7717/peerj.2321. ISSN 2167-8359. PMC 4991871. PMID 27602287.
- ^ Tucker, Annette B.; Feldmann, Rodney M. (May 1990). "Fossil decapod crustaceans from the lower Tertiary of the Prince William Sound Region, Gulf of Alaska". Journal of Paleontology. 64 (3): 409–427. doi:10.1017/S0022336000018643. ISSN 0022-3360.
- ^ CLARK, B. L. (1932-09-30). "Fauna of the Poul and Yakataga Formations (Upper Oligocene) of Southern Alaska". GSA Bulletin. 43 (3): 797–846. doi:10.1130/GSAB-43-797. ISSN 0016-7606.