Artiopoda - Asaphida - Asaphidae
Alternative combinations: Kirkella accliva, Ptyocephalus accliva
Full reference: L. F. Hintze. 1953. Lower Ordovician trilobites from western Utah and eastern Nevadea. Utah Geological and Mineralogical Survey Bulletin 48:249 p.
Belongs to Ptyocephalus according to W. T. Dean 1989
See also Hintze 1953, Ross 1970 and Young 1973
Sister taxa: Kirkella declevita, Ptyocephalus vigilans, Kirkella fillmorensis, Kirkella yersini
Type specimen: 26289 (AMNH), a cephalon/head (cranidium)
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Canada (1: Alberta collection), United States (6: Nevada, Utah)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.