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Pachydiscus Zittel 1884 (ammonite)

Cephalopoda - Ammonitida - Pachydiscidae

PaleoDB taxon number: 15309

Synonyms: Joaquinites Anderson 1958 (no. 299442), Pachydiscus (Parapachydiscus) Hyatt 1900 (no. 142430), Parapachydiscus Hyatt 1900 (no. 130912), Pseudomenuites Matsumoto 1955 (no. 341344)

Parent taxon: Pachydiscidae according to Y. Shigeta 2016

Sister taxa: Baskaniceras, Canadoceras, Chimbuites, Eopachydiscus, Eupachydiscus, Hoepenites, Lewesiceras, Menabonites, Menuites, Nowakites, Pachydiscoides, Patagiosites, Pseudojacobites, Teshioites, Tongoboryceras, Tuberodiscoides, Urakawites

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

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Type: Ammonites neubergicus

Ecology: fast-moving nektonic carnivore