Trilobita - Corynexochida - Zacanthoididae
Parent taxon: Zacanthoididae according to A. R. Palmer and R. B. Halley 1979
See also Eddy and McCollum 1998, Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Albertella, Albertellina, Albertelloides, Chuchiaspis, Danjiangella, Delamarella, Fieldaspis, Mexicaspis, Micmaccopsis, Panxinella, Paralbertella, Parkaspis, Prozacanthoides, Pseudozacanthopsis, Qingzhenaspis, Stephenaspis, Ursinella, Vanuxemella, Zacanthoides, Zacanthopsina, Zacanthopsis
Subtaxa: Ptarmiganoides alia Ptarmiganoides araneicauda Ptarmiganoides crassaxis Ptarmiganoides hexacantha Ptarmiganoides propinqua
Ecology: nektobenthic carnivore
Distribution:
• Solvan of United States (10: Nevada collections)
• Delamaran of Canada (1: Alberta), United States (13: California, Nevada, Nevada and California)
• Cambrian of China (1), United States (1: Idaho)
Total: 26 collections including 32 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.