Trilobita - Ptychopariida - Alokistocaridae
Full reference: F. A. Sundberg. 1994. Corynexochida and Ptychopariida (Trilobita, Arthropoda) of the Ehmaniella biozone (Middle Cambrian), Utah and Nevada. Contributions in Science 446:1-137
Parent taxon: Alokistocaridae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002 and Sundberg 1994
Sister taxa: Alokistocare, Alokistocarella, Amecephalina, Amecephaloides, Amecephalus, Annamitia, Arellanella, Beldirella, Bythicheilus, Chancia, Chanciaopsis, Danzhaiaspis, Ehmania, Ehmaniella, Elrathia, Erdoradites, Ganovexopyge, Inglefieldia, Jenkinsonia, Kistocare, Lenacare, Parapachyaspis, Parehmania, Pedinocephalina, Proveedoria, Schopfaspis, Shabanovia, Utaspis, Ehmaniellinae, Altiocculinae
Subtaxa: Tympanuella transversa
Type: Tympanuella transversa
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Delamaran of United States (6: Nevada, Utah collections)
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.