original description
Hofker, J. (1953). Types of Genera Described in Part III of the "Siboga Foraminifera". <em>The Micropaleontologist.</em> 7(1): 26-28., available online at https://doi.org/10.2307/1483812
page(s): p. 26 [details] Available for editors
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
source of synonymy
Revets, S. A. (1996). The generic revision of five families of Rotaliine Foraminifera - Part 1. The Bolivinitidae Cushman, 1927. <em>Cushman Foundation for Foraminiferal Research, Special Publication.</em> 1-55., available online at https://cushmanfoundation.allenpress.com/Portals/_default/SpecialPublications/sp34.pdf [details] Available for editors
From editor or global species database
Diagnosis Test narrow, elongate, ovoid in section, biserial, slightly twisted, early chambers low and closely appressed, later chambers higher, the final pair occupying about one-third the test length, sutures depressed, oblique; wall calcareous, finely perforate, optically granular, surface smooth; aperture a long narrow slit that extends up the face of the final chamber from its base, provided with an internal toothplate. U. Cretaceous to M. Oligocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]