Trilobita - Ptychopariida - Alokistocaridae
Parent taxon: Alokistocaridae according to D. E. G. Briggs et al. 2008
See also Caron and Jackson 2008, Palmer 1954 and Sepkoski 2002
Sister taxa: Alokistocare, Alokistocarella, Amecephalina, Amecephaloides, Amecephalus, Annamitia, Arellanella, Beldirella, Bythicheilus, Chancia, Chanciaopsis, Danzhaiaspis, Ehmania, Ehmaniella, Erdoradites, Ganovexopyge, Inglefieldia, Jenkinsonia, Kistocare, Lenacare, Parapachyaspis, Parehmania, Pedinocephalina, Proveedoria, Schopfaspis, Shabanovia, Tympanuella, Utaspis, Altiocculinae, Ehmaniellinae
Subtaxa: Elrathia grazierensis Elrathia idahoensis Elrathia kingi Elrathia longiceps Elrathia occidentalis Elrathia permulta Elrathia rara Elrathia sampsoni Elrathia spencei
Ecology: fast-moving epifaunal detritivore
Distribution:
• Solvan of Canada (6: Newfoundland and Labrador collections), United States (1: Pennsylvania)
• Delamaran of Canada (6: British Columbia), United States (2: Idaho)
• Cambrian of Canada (5: British Columbia, Newfoundland), Greenland (8), India (1), the United Kingdom (1), United States (36: Alaska, Arizona, Georgia, Idaho, Idaho/ Utah, Utah, Vermont)
Total: 66 collections including 70 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.