Foraminifera taxon details
Geminospira Makiyama & Nakagawa, 1941
484801 (urn:lsid:marinespecies.org:taxname:484801)
accepted
Genus
Geminospira simaensis Makiyama & Nakagawa, 1941 (type by original designation)
Geminospiroides McCulloch, 1977 · unaccepted (subjective junior synonym in...)
subjective junior synonym in opinion of Loeblich & Tappan, 1987
- Species Geminospira arubaensis McCulloch, 1981
- Species Geminospira arubiana McCulloch, 1981
- Species Geminospira bradyi Bermúdez, 1952
- Species Geminospira bubnanensis (McCulloch, 1977)
- Species Geminospira compacta McCulloch, 1977
- Species Geminospira convoluta (Williamson, 1858)
- Species Geminospira irregularis (McCulloch, 1977)
- Species Geminospira lata McCulloch, 1977
- Species Geminospira simaensis Makiyama & Nakagawa, 1941
- Species Geminospira xuwenensis He & Lin, 1978 †
marine, brackish, fresh, terrestrial
feminine
Makiyama, J.; Nakagawa, T. (1941). Pleistocene Foraminifera from Sima, Mie Prefecture. <em>The Journal of the Geological Society of Japan.</em> 48(572): 239-243., available online at https://doi.org/10.5575/geosoc.48.239
page(s): p. 243 [details] Available for editors
[request]
page(s): p. 243 [details] Available for editors
[request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Geminospira Makiyama & Nakagawa, 1941. Accessed at: https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=484801 on 2024-04-19
Date
action
by
original description
Makiyama, J.; Nakagawa, T. (1941). Pleistocene Foraminifera from Sima, Mie Prefecture. <em>The Journal of the Geological Society of Japan.</em> 48(572): 239-243., available online at https://doi.org/10.5575/geosoc.48.239
page(s): p. 243 [details] Available for editors [request]
original description (of Geminospiroides McCulloch, 1977) 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]
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]
page(s): p. 243 [details] Available for editors
[request] original description (of Geminospiroides McCulloch, 1977) 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] 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, flattened, early chambers in a trochospiral coil, later uncoiled, arcuate, and asymmetrical with chambers highest on the dorsal margin, a series of secondary chamberlets on the ventral margin alternating in position with the primary chambers and extending back toward the proloculus on the inside of the curve, sutures distinct, flush on the spiral side, depressed on the umbilical side, periphery rounded; wall aragonitic, finely perforate, surface smooth; aperture an interiomarginal slit at the base of the final chamber, slightly on the umbilical side of the median plane, connecting with an elongate groove that extends up the apertural face on the umbilical side and terminates in an areal ovate opening near the upper margin of the face, the areal opening remaining as an intercameral foramen when the next chamber is added. Pliocene to Holocene; Japan; Philippine Islands. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]