Artiopoda - Asaphida - Ptychaspididae
Alternative spelling: Conocephalites (Ptychaspis)
Synonym: Asioptychaspis Kobayashi 1933
Parent taxon: Ptychaspididae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002 and Sundberg et al. 2024
Sister taxa: Alborsella, Changia, Eoptychaspis, Eowuhuia, Euptychaspis, Idiomesus, Imlerella, Kathleenella, Keithia, Keithiella, Macronoda, Plectrella, Proricephalus, Saukioides, Sunwaptia, Wilcoxaspis
Subtaxa: Asioptychaspis subglobosa Ptychaspis granulosa Ptychaspis miniscaensis Ptychaspis minuta Ptychaspis pustulosa Ptychaspis tuberosa
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Taoyuanian of China (2 collections)
• Cambrian of Canada (7: Alberta), South Korea (2), United States (44: Idaho, Minnesota, Montana, New York, Oklahoma, South Dakota, Wisconsin, Wyoming)
Total: 55 collections including 74 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.