Parapachydiscus peninsularis Anderson and Hanna 1935 (ammonite)

Cephalopoda - Ammonitida - Pachydiscidae

Full reference: F. M. Anderson and G. D. Hanna. 1935. Cretaceous geology of Lower California. Proceedings of the California Academy of Sciences 23(1):1-34

Belongs to Parapachydiscus according to F. M. Anderson 1958

See also Anderson and Hanna 1935

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 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 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 1431.07, a shell. Its type locality is CAS 1431, Catarina Landing, which is in a Maastrichtian marine siliciclastic in the Rosario Formation of Mexico.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 355.0

Distribution:

• Cretaceous of Mexico (1 collection), United States (1: California)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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