basis of record
Patterson, D. (2001). Platypus checklist of Protoctista [details]
additional source
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]
additional source
Gross, O. (2001). Foraminifera, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 60-75 (look up in IMIS) [details]
From editor or global species database
Diagnosis Spherical proloculus followed by nonseptate enrolled tubular chamber, planispiral or low to high trochospiral, or may enroll back on itself to result in a double-layered cone; aperture single at open end of tube or tube may be closed terminally. U. Triassic to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]