Gastropoda - Cerithioidea - Acanthonematidae
Alternative combination: Orthonema columnare
Full reference: D. H. Erwin. 1988. Permian Gastropoda of the southwestern United States: Cerithiacean, Acteonacea, and Pyramidellacea. Journal of Paleontology 62(4):566-575
Belongs to Bicuerda according to P. J. Wagner 2023
See also Erwin 1988 and Kues and Batten 2001
Sister taxon: Bicuerda procolumnare
Type specimen: USNM 400670, a shell. Its type locality is USNM722l, Dugout Mountain, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Skinner Ranch Formation of Texas.
Ecology: epifaunal grazer
Distribution:
• Permian of United States (6: New Mexico, Texas 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.