Full reference: R. L. Batten. 1958. Permian Gastropoda of the southwestern United States. 2. Pleurotomariacea: Portlockiellidae, Phymatopleuridae, and Eotomariidae. Bulletin of the American Museum of Natural History 114(2):153-246
Sister taxa: Spiroscala acuminata, Spiroscala conoides, Spiroscala decorata, Spiroscala georgiannae, Spiroscala intermedia, Spiroscala intricata, Spiroscala pagoda, Spiroscala rockymontana, Spiroscala solida
Type specimen: USNM 133316. Its type locality is USNM703, Old Word Ranch, Glass Mountains, which is in a Roadian reef, buildup or bioherm limestone in the Road Canyon Formation of Texas.
Ecology: facultatively mobile epifaunal suspension feeder
Average measurements (in mm): shell diameter 13.5
• Permian of United States (5: Texas collections)
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.