Artiopoda - Ptychopariida - Marjumiidae
Full reference: J.L. Wilson. 1954. Late Cambrian and Early Ordovician Trilobites from the Marathon Uplift, Texas. Journal of Paleontology 28(3):249-285
Parent taxon: Marjumiidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002 and Wilson 1954
Sister taxa: Anemocephalops, Coosella, Crepichilella, Glyphopeltis, Holmdalia, Ithyektyphus, Lecanopleura, Marjumia, Modocia, Nericella, Nericia, Pearylandia, Petruninaspis, Schyilaspis, Shickshockia, Syspacheilus
Subtaxa: Nasocephalus nasutus
Type: Nasocephalus nasutus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Argentina (1 collection), Canada (3: Yukon), United States (4: Texas)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.