Pachydiscus ashlandicus Anderson 1902

Cephalopoda - Ammonitida - Pachydiscidae

Alternative combination: Desmoceras ashlandicum

Full reference: F. M. Anderson. 1902. Cretaceous Deposits of the Pacific Coast. Proceedings of the California Academy of Sciences 2(1):1-155

Belongs to Pachydiscus according to F. M. Anderson 1958

Sister taxa: Pachydiscus (Neodesmoceras), Pachydiscus (Pachydiscus), Pachydiscus averilli, Pachydiscus epiplectus, Pachydiscus excelsus, Pachydiscus flexuosus, Pachydiscus gollevillensis, Pachydiscus hauthali, Pachydiscus henleyensis, Pachydiscus levyi, Pachydiscus merriami, Pachydiscus naumanni, Pachydiscus neubergicus, Pachydiscus oregonensis, 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 446.01, a shell. Its type locality is CAS loc. 446, Ashland, which is in a Turonian marine siliciclastic in Oregon.

Average measurements (in mm): shell diameter 77.0

Distribution:

• Cretaceous of United States (3: California, Oregon collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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