Artiopoda - Agnostida - Peronopsidae
Alternative combinations: Agnostus brighamensis, Peronopsis brighamensis
Full reference: C. E. Resser. 1939. The Spence Shale and its fauna. Smithsonian Miscellaneous Collections 97(12):1-29
Belongs to Pentagnostus according to F. A. Sundberg 2018
See also Naimark 2012, Resser 1939 and Robison 1978
Sister taxa: Pentagnostus (Meragnostus), Pentagnostus admirabilis, Pentagnostus anabarensis, Pentagnostus bonnerensis, Pentagnostus endemicus, Pentagnostus krusei, Pentagnostus praecurrens, Pentagnostus shabaktensis, Pentagnostus shergoldi
Type specimen: USNM 96500
Distribution:
• Delamaran of United States (2: Nevada, Utah collections)
• Cambrian of United States (3: Nevada, Utah)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.