Gastropoda - Euomphalina - Helicotomidae
Alternative combination: Euomphalus circumliratus
Full reference: R. P. Whitfield. 1886. Notice of geological investigations along the eastern shore of Lake Champlain, conducted by Prof. H.J. Seely and Pres. Ezra Brainerd, of Middlebury College, with descriptions of the new fossils discovered. Bulletin of the American Museum of Natural History 1(8):24-35
Belongs to Lophonema according to P. J. Wagner 2023
See also Whitfield 1886
Sister taxa: Lophonema abrupta, Lophonema calphurnia, Lophonema costata, Lophonema frydai, Lophonema orientalia, Lophonema peccatonica, Lophonema perstriata, Lophonema taneyensis, Lophonema tricarinata, Lophonema wuhuensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of United States (17: Missouri, Vermont collections)
Total: 17 collections including 23 occurrences
Specimen images are retrieved through the ePANDDA API.
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