Trilobita - Asaphida - Nileidae
Full reference: F. M'Coy. 1849. On the classification of some British fossil Crustacea with notices of new forms in the university collection at Cambridge. The Annals and Magazine of Natural History, Second Series 4:392-414
Parent taxon: Nileidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Aocaspis, Berkutaspis, Borthaspidella, Bumastides, Elongatanileus, Homalopteon, Illaenopsis, Kodymaspis, Lakaspis, Neopsilocephalina, Nileidae stenorhachis, Nileus, Parabarrandia, Paraperaspis, Peraspis, Petrbokia, Platypeltoides, Poronileus, Psilocephalinella, Shenjiawania, Symphysurina, Symphysurus, Varvia
Subtaxa: Barrandia homfrayi Barrandia mccoyi
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Whiterockian of United States (14: Utah collections)
• Arenig of the United Kingdom (2)
• Ordovician of Ireland (1), the United Kingdom (23), United States (3: Utah)
Total: 43 collections including 44 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.