Trilobita - Ptychopariida - Elviniidae
Full reference: A. R. Palmer. 1954. The Faunas of the Riley Formation in Central Texas. Journal of Paleontology 28(6):709-786
Parent taxon: Elviniidae according to S. R. Westrop 1992
See also Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Chariocephalus, Dartonaspis, Drumaspis, Dunderbergia, Elburgia, Elvinaspis, Elvinia, Elviniella, Elvinoides, Elviraspis, Elyaspis, Irvingella, Jessievillia, Kujandina, Maladioides, Megadunderbergia, Metisaspina, Onchopeltis, Paraenshia, Pesaia, Prismenaspis, Pseudosaukia, Qingshuihella
Subtaxa: Dytremacephalus asperaxis Dytremacephalus granulosus Dytremacephalus laevis Dytremacephalus strictus
Type: Dytremacephalus granulosus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (2: Newfoundland and Labrador, Yukon collections), United States (15: Alaska, Nevada, Nevada and Utah, Texas, Utah)
Total: 17 collections including 19 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.