BUENINGIA Finlay, 1939

 

 

 

Type species: Bueningia creeki Finlay, 1939:OD.Bueningia Finlay.1939(*1127) p.122 .Ruttenella Keyzer,. 1953(*1678). P.79 non Ruttenella van den Bold. 19461: type species: Ruttenella butonensis Keyzer. 1953: OD.

L_amarckinita Keyzer. I955(*1679), p. 119 (nom. subst. pro Ruttenella Keyzer. 1953).Test small, inflated, both sides involute, umbilical side flattened to concave with deep umbilicus, spiral side convex, four to five inflated chambers per whorl, sutures radial, depressed, periphery broadly rounded, with a thickened to carinate margin on the umbili­cal side; wall calcareous. hyaline, finely per­forate except for the keel, surface smooth: aperture interiomarginal and umbilical, with a small apertural flap. L. Miocene to Holocene: New Zealand: Indonesia: Bikini Atoll.