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MarBEF Data System |
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WoRMS taxon details
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test unilocular but double specimens may occur, ovate to pyriform, circular in section; wall calcareous, hyaline, translucent, surface with a few heavy longitudinal ribs that extend up the wall from a circular ring near the test base to merge into a ringlike collar just below the apertural neck; aperture rounded at the end of the brief smooth neck, provided with a short, straight entosolenian tube. Pleistocene to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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