Trilobita - Ptychopariida - Alokistocaridae
Synonyms: Mcnairia Deiss 1939, Rowia Deiss 1939, Thompsonaspis Deiss 1939, Thomsonaspis Deiss 1939
Parent taxon: Alokistocaridae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Alokistocare, Alokistocarella, Amecephalina, Amecephaloides, Amecephalus, Annamitia, Arellanella, Beldirella, Bythicheilus, Chancia, Chanciaopsis, Danzhaiaspis, Ehmania, Ehmaniella, Elrathia, Erdoradites, Ganovexopyge, Inglefieldia, Jenkinsonia, Kistocare, Lenacare, Parapachyaspis, Pedinocephalina, Proveedoria, Schopfaspis, Shabanovia, Tympanuella, Utaspis, Ehmaniellinae, Altiocculinae
Subtaxa: Parehmania obscura
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Marjumian of United States (1: Arizona collection)
• Cambrian of Mexico (1), the Russian Federation (1), United States (3: Alaska, Idaho/ Utah, Wyoming)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.