†Paracyrtolites subplanus Ulrich and Scofield 1897 (mollusk)
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Tergomya - Cyrtonellida - Cyrtolitidae
Alternative combinations: Cyrtolites (Paracyrtolites) subplanus, Cyrtolites subplanus
Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081
Belongs to Paracyrtolites according to P. J. Wagner 2023
See also Bassler 1932, Reed 1921, Ulrich and Scofield 1897 and Wahlman 1992
Sister taxa: Paracyrtolites carinatus, Paracyrtolites parvus
Type specimen: USNM 45792, a shell
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Ordovician of Canada (1: Québec collection), United States (3: Kentucky, Tennessee)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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