Hormotoma trentonensis crassa Wilson 1951

Gastropoda - Murchisoniina - Loxonematidae

Alternative combination: Hormotoma crassa

Full reference: A. E. Wilson. 1951. Gastropoda and Conularida of the Ottawa Formation of the Ottawa - St. Lawrence Lowland. Geological Survey of Canada Bulletin 17:1-149

Belongs to Hormotoma trentonensis according to A. E. Wilson 1951

See also Wagner 2020

Sister taxon: Hormotoma trentonensis plana

Distribution: found only at Wilson 1951 Loc. 041. Brigham’s Quarry, Brigham, 0.5 km NE of Brigham (Ordovician of Quebec)

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