Artiopoda - Ptychopariida - Crepicephalidae
Alternative spelling: Arionellus (Crepicephalus)
Parent taxon: Crepicephalidae according to S. R. Westrop 1992
See also Jell and Adrain 2002, Resser 1935 and Sepkoski 2002
Sister taxa: Bagongshania, Coosia, Coosina, Coosinoides, Crepicephalina, Hsuchuangia, Idioura, Kasatchaspis, Sinocoosella, Sinocrepicephalus, Temnoura, Uncaspis, Zaozhuangaspis
Subtaxa: Crepicephalus auratus Crepicephalus australis Crepicephalus buttsi Crepicephalus ceratopygoides Crepicephalus iowensis
Type: Dikelocephalus iowensis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Australia (1 collection), Canada (20: Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Yukon), China (1), Greenland (4), United States (55: Nevada, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Virginia, Wisconsin, Wyoming)
Total: 81 collections including 99 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.