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Helcionopsis Ulrich and Scofield 1897 (mollusk)

Tergomya - Tryblidiida - Tryblidiidae

PaleoDB taxon number: 7813

Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081

Parent taxon: Tryblidiinae according to G.P. Wahlman 1992

Sister taxa: Kosovina, Pilina

Subtaxa: Helcionopsis depressum, Helcionopsis radiatum, Helcionopsis reticulatus, Helcionopsis striata, Helcionopsis subcarinata, Helcionopsis wisconsinensis

View classification

Type: Helcionopsis striata

Ecology: epifaunal grazer