Cephalopoda - Ammonitida - Pachydiscidae

Alternative combination: Eupachydiscus arbucklensis

Synonyms: Eupachydiscus willgreeni Anderson 1958, Nowakites dobbinsi Anderson 1958, Nowakites rumseyensis Anderson 1958, Puzosia (Holcodiscoides) gorrilli Anderson 1958, Puzosia (Parapuzosia) arenaica Anderson 1958

Full reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378

Belongs to Patagiosites according to T. Matsumoto 1959

See also Anderson 1958

Sister taxa: Patagiosites alaskensis, Patagiosites amarus, Patagiosites laevis, Patagiosites patagiosus, Patagiosites stobaei

Type specimens:

• Patagiosites arbucklensis: CAS 25730.01, a shell. Its type locality is CAS Loc. 25730 - Sand Creek [Forbes Shale], which is in a Coniacian marine shale in the Forbes Formation of California.
• Eupachydiscus willgreeni: CAS 25730.04, a shell. Its type locality is CAS Loc. 25730 - Sand Creek [Forbes Shale], which is in a Coniacian marine shale in the Forbes Formation of California.
• Nowakites dobbinsi: Its type locality is CAS Loc. 25730 - Sand Creek [Forbes Shale], which is in a Coniacian marine shale in the Forbes Formation of California.
• Nowakites rumseyensis: CAS 25730.03, a shell. Its type locality is CAS Loc. 25730 - Sand Creek [Forbes Shale], which is in a Coniacian marine shale in the Forbes Formation of California.
• Puzosia (Holcodiscoides) gorrilli: CAS 61722.02, a shell. Its type locality is CAS Loc. 25730 - Sand Creek [Forbes Shale], which is in a Coniacian marine shale in the Forbes Formation of California.
• Puzosia (Parapuzosia) arenaica: CAS 25730.06, a shell. Its type locality is CAS Loc. 25730 - Sand Creek [Forbes Shale], which is in a Coniacian marine shale in the Forbes Formation of California.

Average measurements (in mm): shell diameter 149.7

Distribution:

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Specimen images are retrieved through the ePANDDA API.