WoRMS taxon details
Nomenclatureoriginal description
Loeblich, A. R.; Tappan, H. (1986). Some New and Revised Genera and Families of Hyaline Calcareous Foraminiferida (Protozoa). <em>Transactions of the American Microscopical Society.</em> 105(3): 239-265., available online at https://doi.org/10.2307/3226297 page(s): p. 252 [details] Available for editors [request]
Other
From editor or global species database
Diagnosis Test trochospiral, planoconvex; aperture interiomarginal and umbilical, not covered by later chambers but closed by a later formed plate, those of the final whorl remaining visible around the umbilicus, umbilical side also with numerous radial striae. Eocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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