Cephalopoda - Ammonitida - Pachydiscidae
Alternative spelling: Neodesmoceras
Parent taxon: Pachydiscus according to W. J. Kennedy and W.A. Cobban 1996
See also Jones 1963, Kennedy 1986, Kennedy and Henderson 1992 and Landman et al. 2007
Sister taxa: Pachydiscus (Pachydiscus), Pachydiscus armenicus, Pachydiscus besairiei, Pachydiscus binodatus, Pachydiscus buckhami, Pachydiscus colligatus, Pachydiscus epiplectus, Pachydiscus excelsus, Pachydiscus flexuosus, Pachydiscus gollevillensis, Pachydiscus hauthali, Pachydiscus launayi, Pachydiscus levyi, Pachydiscus naumanni, Pachydiscus neevesi, Pachydiscus patagonicus, Pachydiscus peramplus, Pachydiscus perfidus, Pachydiscus precolligatus, Pachydiscus riccardi, Pachydiscus stallauensis, Pachydiscus steinmanni, Pachydiscus subcompressus, Pachydiscus subrobustus, Parapachydiscus williamsoni, Parapachydiscus hera, Parapachydiscus bruneti, Parapachydiscus gettyi, Pachydiscus (Parapachydiscus) woodringi, Parapachydiscus perseus, Parapachydiscus athena, Parapachydiscus hermes, Parapachydiscus parahybensis, Parapachydiscus sumneri, Pachydiscus (Parapachydiscus) gardneri, Parapachydiscus brasiliensis, Parapachydiscus albuquerquei, Parapachydiscus orpheus, Parapachydiscus cortinaensis, Parapachydiscus diabloensis, Parapachydiscus abbotti, Parapachydiscus oceanus, Parapachydiscus eurydice, Parapachydiscus reedsi, Parapachydiscus californicus, Parapachydiscus euzebioi, Parapachydiscus endymion, Parapachydiscus poseidon, Parapachydiscus stanislausensis, Parapachydiscus arionis, Parapachydiscus henleyensis, Parapachydiscus psyche
Subtaxa: Neodesmoceras catarinae Pachydiscus (Neodesmoceras) mokotibensis Pachydiscus (Neodesmoceras) obsoletiformis Pachydiscus (Neodesmoceras) princeps Pachydiscus (Neodesmoceras) soma
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous to Paleogene of United States (1: New Jersey collection)
• Cretaceous of France (1), India (1), Mexico (5), United States (12: Alaska, California)
Total: 20 collections each including a single occurrence