Foraminifera taxon details
Rotorbinella bikiniensis McCulloch, 1977
763916 (urn:lsid:marinespecies.org:taxname:763916)
accepted
Species
marine, brackish, fresh, terrestrial
McCulloch, I. (1977). Qualitative observations on Recent foraminiferal tests with emphasis on the eastern Pacific. University of Southern California. Los Angeles., available online at https://books.google.com/books?id=tPw_AAAAIAAJ [details] Available for editors 
[request]
[request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Rotorbinella bikiniensis McCulloch, 1977. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=763916 on 2024-05-01
Date
action
by
original description
McCulloch, I. (1977). Qualitative observations on Recent foraminiferal tests with emphasis on the eastern Pacific. University of Southern California. Los Angeles., available online at https://books.google.com/books?id=tPw_AAAAIAAJ [details] Available for editors [request]
[request] 
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Original description Test free, calcareous, unequally biconvex, trochoid in organization, marginate, slightly lobulate; spiral surface in form of a rather low cone showing three and a half whorls on dorsal evolute side early or initial chambers small, compact, embedded in hyaline shell; last formed whorl with six or seven uninflated hyaline chambers, smooth and finely perforated; sutures dorsally radiate, flush initially, oblique, flush to depressed peripherally; ventral surface involute, weakly convex, one whorl of six or seven slightly inflated chambers surrounding closely or otherwise a prominent, flattened hyaline umbilical boss; inner edges of ventral chambers recessed at sutures leaving openings into test at margin of the umbilical area, wall finely perforate, smooth, hyaline; sutures ventrally radiate, depressed; primary aperture along inner edge of last formed chamber. Size, Fig. 15: .332 x .290 x .249 rnrn. [details]