WoRMS taxon details
original description
Zheng, S.-Y. (1979). The Recent foraminifera of the Xisha Islands, Guangdong Province, China. II. <em>Studia marina sinica.</em> 15: 101-232. page(s): p. 130, 208 [details] Available for editors [request]
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 elongate fusiform, twisted in appearance, subtriangular in section, chambers onehalf coil in length, with planes of coiling changing to give a sigmoiline appearance in section, later chambers added in a single plane, three to four visible from each side, chambers with floors, widest at the base and tapering through the middle and later part, terminally produced as a long neck; wall calcareous, imperforate, porcelaneous, surface smooth, or with a few low longitudinal costae; aperture rounded, at the end of the produced neck, bordered by a distinctly thickened rim, and with a short bifid tooth. Holocene; China: Xisha Islands. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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