Poul Creek Formation

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Poul Creek Formation
Stratigraphic range: Paleogene
TypeFormation
Location
RegionAlaska
CountryUnited States

The Poul Creek Formation is a geologic formation in Alaska. It preserves fossils dating back to the Paleogene period.

Fossil content

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Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Mammals

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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

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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
  • Bering Lake
  • Kayak Island
 Five specimens A portunoid crab

Molluscs

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Bivalves

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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

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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

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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

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References

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  1. ^ 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.
  2. ^ 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.
  3. ^ 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.


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