Gatunek typowy Opis
Type species: Cyclostomaria suessii (Hörnes, 1853) sensu Szabó 1980; Pliensbachian, Hungary.
Diagnosis: Circular whorl-section and wide selenizone running near the periphery without angulation. The spire is low with suture situated in a deep groove; the growth-lines are prosocline, somewhat prosocyrt between the suture and the selenizone, strongly prosocyrt below the selenizone, and prosocline, generally sigmoidal on the base; the ornament consists of ridges or flattened nodes, spiral threads, cords and grooves. The umbilicus is wide, open. Synonimy Zasięg czasowy
Early to Mid Jurassic Literatura
Szabó, J. 1980. Lower and Middle Jurassic gastropods from the Bakony Mountains (Hungary), Part II: Pleurotomariacea and Fissurellacea (Archaeogastropoda). Annales historico-Naturales Musei Nationalis Hungarici 72, 49–71.
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