original description
Wedekind, R. (1937). Einführung in die Grundlagen der historischen Geologie.II. Mikrobiostratigraphie. Die Korallen- und Foraminiferenzeit. <em>Ferdinand Enke Verlag.</em> 8: 1-136. [details]
basis of record
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]
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]
From editor or global species database
Diagnosis Test with predominantly sinistral trochospiral coiling, chambers subdivided by an internal partition that attaches to the dorsal lip of the aperture; aperture a slit on peripheral margin, closed by clear shell material in older chambers. L. Jurassic to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]