Pachydiscus oregonensis Anderson 1958 (ammonite)

Cephalopoda - Ammonitida - Pachydiscidae

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

Belongs to Pachydiscus according to F. M. Anderson 1958

Sister taxa: Pachydiscus (Neodesmoceras), Pachydiscus (Pachydiscus), Pachydiscus ashlandicus, Pachydiscus averilli, Pachydiscus epiplectus, Pachydiscus excelsus, Pachydiscus flexuosus, Pachydiscus gollevillensis, Pachydiscus hauthali, Pachydiscus henleyensis, Pachydiscus levyi, Pachydiscus merriami, Pachydiscus naumanni, Pachydiscus neubergicus, Pachydiscus patagonicus, Pachydiscus peramplus, Pachydiscus precolligatus, Pachydiscus riccardi, Pachydiscus stallauensis, Pachydiscus steinmanni, Parapachydiscus arionis, Parapachydiscus coalingensis, Parapachydiscus oceanus, Parapachydiscus eurydice, Pachydiscus (Parapachydiscus) gardneri, Parapachydiscus hera, Parapachydiscus hermes, Parapachydiscus panochensis, Parapachydiscus parahybensis, Parapachydiscus albuquerquei, Pachydiscus (Parapachydiscus) woodringi, Parapachydiscus gabbi, Parapachydiscus reedsi, Parapachydiscus stanislausensis, Parapachydiscus poseidon, Parapachydiscus brasiliensis, Parapachydiscus psyche, Parapachydiscus williamsoni, Parapachydiscus orpheus, Parapachydiscus peninsularis, Parapachydiscus perseus, Parapachydiscus endymion, Parapachydiscus bruneti, Parapachydiscus euzebioi, Parapachydiscus cortinaensis, Parapachydiscus gettyi, Parapachydiscus catarinae, Parapachydiscus sumneri, Parapachydiscus athena, Parapachydiscus abbotti, Parapachydiscus bidwelli, Joaquinites fascicostatum

Type specimen: CAS 445.02, a shell. Its type locality is CAS Loc. 445 - Phoenix, which is in a Turonian coastal siliciclastic in Oregon.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 101.4

Distribution:

• Cretaceous of United States (2: Oregon collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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