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, Ehmaniellinae, Altiocculinae
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:
• Marjumian of Canada (2: Newfoundland collections), Greenland (5), United States (14: Georgia, Utah)
• Cambrian of Canada (15: British Columbia, Newfoundland, Newfoundland and Labrador), Greenland (3), India (1), the United Kingdom (1), United States (25: Alaska, Arizona, Georgia, Idaho, Idaho/ Utah, Pennsylvania, 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.