Cephalopoda - Ammonitida - Pachydiscidae
Alternative combination: Pachydiscus (Pachydiscus) subcompressus
Synonyms: Joaquinites fascicostatum Anderson 1958, Joaquinites fascicostatus Anderson 1958
Belongs to Pachydiscus according to Y. Shigeta and H. Maeda 2023
See also Anderson 1958, Matsumoto 1959 and Morozumi 1985
Sister taxa: Pachydiscus (Neodesmoceras), 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 subrobustus, Parapachydiscus hermes, Parapachydiscus diabloensis, Parapachydiscus endymion, Parapachydiscus sumneri, Pachydiscus (Parapachydiscus) woodringi, Parapachydiscus reedsi, Parapachydiscus oceanus, Parapachydiscus stanislausensis, Parapachydiscus parahybensis, Parapachydiscus abbotti, Parapachydiscus williamsoni, Parapachydiscus euzebioi, Parapachydiscus brasiliensis, Parapachydiscus perseus, Parapachydiscus eurydice, Parapachydiscus cortinaensis, Parapachydiscus psyche, Parapachydiscus californicus, Parapachydiscus bruneti, Parapachydiscus albuquerquei, Parapachydiscus gettyi, Parapachydiscus arionis, Pachydiscus (Parapachydiscus) gardneri, Parapachydiscus hera, Parapachydiscus henleyensis, Parapachydiscus poseidon, Parapachydiscus athena, Parapachydiscus orpheus
Average measurements (in mm): shell diameter 114.1
Distribution:
• Cretaceous of Japan (1 collection), the Russian Federation (9), United States (4: California)
Total: 14 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.