Foraminifera taxon details
original description
Bolli, H. M.; Loeblich, A. R.; Tappan, H. (1957). Planktonic foraminiferal families Hantkeninidae, Orbulinidae, Globorotaliidae and Globotruncanidae. <em>Bulletin United States National Museum.</em> 215: 3-50., available online at http://www.biodiversitylibrary.org/part/70794#/summary [details]
basis of record
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test globular to ovoid, a low trochospiral coil of rapidly enlarging globular chambers, commonly four in the final whorl, sutures radial, depressed, umbilicus open, periphery rounded, peripheral outline lobulate; wall calcareous, coarsely perforate, surface distinctly pitted, with prominent pore pits and pore ridges; primary aperture an interiomarginal, umbilical arch, in the adult may be covered by a single small to moderate sized bulla, one to four infralaminal interiomarginal accessory openings commonly located just above the contact of the bulla and the sutures of the preceding whorl. M. Eocene to M. Miocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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