Poul Creek Formation
Appearance
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
[edit]Color key
|
Notes Uncertain or tentative taxa are in small text; |
Mammals
[edit]Mammals reported from the Poul Creek Formation | |||||
---|---|---|---|---|---|
Genus | Species | Presence | Material | Notes | Images |
Arktocara[1] | A. yakataga | Yakutat City | Incomplete skull (USNM 214830) | A platanistoid dolphin |
Crustaceans
[edit]Crustaceans reported from the Poul Creek Formation | |||||
---|---|---|---|---|---|
Genus | Species | Presence | Material | Notes | Images |
Branchioplax[2] | B. washingtoniana | Bering Lake | One specimen (USNM 431271) | A mathildellid crab | |
Eumorphocorystes[2] | E. naselensis | Kayak Island | Five specimens | A raninid crab | |
Orbitoplax[2] | O. plafkeri | Wingham Island | Eight specimens | A euryplacid crab | |
Portunites[2] | P. alaskensis |
|
Five specimens | A portunoid crab |
Molluscs
[edit]Bivalves
[edit]Bivalves reported from the Poul Creek Formation | |||||
---|---|---|---|---|---|
Genus | Species | Presence | Material | Notes | Images |
Cardium[3] | 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[3] | C. cf. cryptolineata | Yakataga anticline | One specimen | A venerid | |
C. securis alaskensis | Yakataga anticline | One specimen | A venerid | ||
Heterodonax[3] | H. sp. | Yakataga anticline | One specimen | A psammobiid | |
Hiatella[3] | H. arctica | Yakataga anticline | One specimen | A hiatellid, originally reported as Saxicava pholadis | |
Leda[3] | L. fossa | Yakataga anticline | One specimen | Reassigned to the genus Nuculana | |
Macoma[3] | M. cf. middendorffi | Yakataga anticline | Multiple specimens | A tellinid | |
M. cf. secta | Yakataga anticline | Two specimens | A tellinid | ||
Macrocallista[3] | M. pittsburgensis | Yakataga anticline | Several specimens | A venerid | |
M.? rearensis | Yakataga anticline | One specimen | A venerid | ||
Mactra[3] | M. (Mactrotoma) californica equilateralis | Yakataga anticline | Multiple specimens | A mactrid | |
Mya[3] | M. salmonensis | Yakataga anticline | Multiple specimens | A myid | |
M. truncata | Yakataga anticline | One specimen | A myid | ||
Nucula[3] | 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[3] | N. fossa | Yakataga anticline | One specimen | A nuculanid, originally reported as Leda fossa | |
Pandora[3] | P. (Kennerlia) yakatagensis | Yakataga anticline | Multiple specimens | A pandorid | |
Panomya[3] | P. (Arctica) turgida | Yakataga anticline | Multiple specimens | A hiatellid | |
P. sp. | Yakataga anticline | One specimen | A hiatellid | ||
Pecten[3] | P. (Patinopecten) yakatagensis | Yakataga anticline | Multiple specimens | A pectinid | |
Phacoides[3] | P. cf. columbianum | Yakataga anticline | Two specimens | A lucinid | |
Pitaria[3] | P. (Katherinella) arnoldi | Yakataga anticline | Multiple specimens | A venerid | |
Saxicava[3] | S. pholadis | One specimen | Junior synonym of Hiatella arctica | ||
Schizothaerus[3] | S. nuttallii | Yakataga anticline | Multiple specimens | A mactrid | |
S. trapezoides | Yakataga anticline | Two specimens | A mactrid | ||
Spisula[3] | S. ramonensis | Yakataga anticline | Several specimens | A mactrid | |
Tellina[3] | T. sp. | Yakataga anticline | Two specimens | A tellinid | |
Thracia[3] | T. schencki | Yakataga anticline | Numerous specimens | A thraciid | |
Thyasira[3] | T. bisecta | Yakataga anticline | Multiple specimens | A thyasirid | |
Venericardia[3] | V. hamiltonensis | Yakataga anticline | Multiple specimens | A carditid | |
V. yakatagensis | Yakataga anticline | Multiple specimens | A carditid | ||
Yoldia[3] | Y. indet. | Yakataga anticline | An imperfect cast | A yoldiid |
Cephalopods
[edit]Cephalopods reported from the Poul Creek Formation | |||||
---|---|---|---|---|---|
Genus | Species | Presence | Material | Notes | Images |
Aturia[3] | A. angusta alaskensis | Yakataga anticline | Multiple specimens | A nautiloid |
Gastropods
[edit]Gastropods reported from the Poul Creek Formation | |||||
---|---|---|---|---|---|
Genus | Species | Presence | Material | Notes | Images |
Argobuccinum[3] | A. sp. | Yakataga anticline | Several imperfect specimens | A cymatiid | |
Bathybembix[3] | B. turbonata | Yakataga anticline | Multiple specimens | An eucyclid, originally reported as Turcicula turbonata | |
Cancellaria[3] | C. (Progabbi) alaskensis | Yakataga anticline | Multiple specimens | A cancellariid | |
Colus[3] | C. rearensis | Yakataga anticline | Multiple specimens | A colid | |
Epitonium[3] | E. (Boreoscala) cf. groenlandica | Yakataga anticline | An imperfect specimen | An epitoniid | |
Fusinus[3] | F. cf. hannibali | Yakataga anticline | Multiple specimens | A fasciolariid | |
Galeodea[3] | G. apta | Yakataga anticline | Multiple specimens | A cassid | |
Haminoea[3] | H. sp. | Yakataga anticline | One specimen | A haminoeid | |
Natica[3] | N. (Cryptonatica) sp. | Yakataga anticline | One specimen | A naticid | |
Neptunea[3] | N. aff. tabulatus | Yakataga anticline | Multiple specimens | A buccinid | |
Polinices[3] | P. (Euspira) cf. galianoi | Yakataga anticline | Several specimens | A naticid | |
P. (Euspira) ramonensis | Yakataga anticline | Multiple specimens | A naticid | ||
Psephaea[3] | P. corrugata | Yakataga anticline | Multiple specimens | A volutid | |
Scaphander[3] | S. alaskensis | Yakataga anticline | One specimen | A scaphandrid | |
Turcicula[3] | T. turbonata | Yakataga anticline | Multiple specimens | Moved to the genus Bathybembix | |
Turritella[3] | 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
[edit]References
[edit]- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
- ^ 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.
- ^ a b c d 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.
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an 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.