Trilobita - Trinucleida - Trinucleidae
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 4:161-179
Parent taxon: Trinucleinae according to A. W. Owen 1980
See also Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Iputaspis, Kimakaspis
Subtaxa: Tretaspis anderssoni Tretaspis askerensis Tretaspis ceriodes Tretaspis hadelandica Tretaspis hisingeri Tretaspis kiaeri Tretaspis latilimba Tretaspis moeldenensis Tretaspis reticulata Tretaspis sagenosus Tretaspis seticornis Tretaspis sortita
Type: Asaphus seticornis
Ecology: fast-moving low-level epifaunal suspension feeder
Distribution:
• Ordovician to Silurian of Canada (2: Québec collections)
• Ordovician of Belgium (4), Canada (10: Quebec), the Czech Republic (4), Ireland (16), Lithuania (1), Norway (64), the Russian Federation (2), Sweden (14), the United Kingdom (60), United States (8: Maine, Virginia)
Total: 185 collections including 202 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.