Full reference: F. A. Sundberg and L. B. McCollum. 2000. Ptychoparid trilobites of the Lower-Middle Cambrian boundary interval, Pioche Shale, southeastern Nevada. Journal of Paleontology 74(4):604-630
Parent taxon: Ptychopariacea according to F. A. Sundberg and L. B. McCollum 2000
See also Jell and Adrain 2002 and Kiessling 2003
Sister taxa: Hadrocephalites, Kochina, Mexicella
Subtaxa: Eokochaspis cabinensis Eokochaspis delamarensis Eokochaspis longspina Eokochaspis metalaspis Eokochaspis nodosa Eokochaspis piochensis
Type: Eokochaspis nodosa
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of Argentina (1 collection), United States (10: Nevada)
• Solvan of United States (23: Nevada)
• Delamaran of United States (23: California, Nevada)
Total: 57 collections including 60 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.