original description
Ehrenberg, C.G. (1839). Über die Bildung der Kreidefelsen und des Kreidemergels durch unsichtbare Organismen. <em>Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin, Physikalische Klasse.</em> 1838: 59-147, pls. 1-4., available online at https://www.biodiversitylibrary.org/page/29017435
page(s): Chart opp. p. 120 [details]
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 Test trochospiral throughout, with radial canals or fissures and intraseptal and subsutural canals. U. Cretaceous (Coniacian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]