Cephalopoda - Ammonoidea - Pachydiscidae

Full reference: W. J. Paulcke. 1907. Die Cephalopoden der oberen Kreide Südpatagoniens. Berichte der Naturforschenden Gesellschaft zu Freiburg im Breisgau 15:1-82

Belongs to Pachydiscus according to Paulcke 1907

Sister taxa: Pachydiscus (Neodesmoceras), Pachydiscus (Pachydiscus), Pachydiscus amarus, Pachydiscus hauthali, Pachydiscus naumanni, Pachydiscus neubergicus, Pachydiscus patagonicus, Pachydiscus stallauensis, Parapachydiscus parahybensis, Parapachydiscus dossantosi, Parapachydiscus gettyi, Parapachydiscus euzebioi, Parapachydiscus arionis, Parapachydiscus albuquerquei, Parapachydiscus brasiliensis, Parapachydiscus reedsi, Parapachydiscus eurydice, Parapachydiscus orpheus, Parapachydiscus bruneti, Parapachydiscus williamsoni, Parapachydiscus sumneri, Parapachydiscus poseidon, Parapachydiscus endymion, Parapachydiscus hermes, Parapachydiscus athena, Parapachydiscus psyche, Parapachydiscus hera, Parapachydiscus perseus, Parapachydiscus oceanus

Ecology: fast-moving nektonic carnivore