Foraminifera taxon details
Costellagerina Petters, El-Nakhal & Cifelli, 1983 †
721558 (urn:lsid:marinespecies.org:taxname:721558)
accepted
Genus
Rugoglobigerina (Rugoglobigerina) bulbosa Belford, 1960 † accepted as Costellagerina bulbosa (Belford, 1960) † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
feminine
Petters, S. W.; El-Nakhal, H. A.; Cifelli, R. L. (1983). Costellagerina, a new Late Cretaceous globigerine foraminiferal genus. <em>The Journal of Foraminiferal Research.</em> 13(4): 247-251., available online at https://doi.org/10.2113/gsjfr.13.4.247
page(s): p. 248 [details]
page(s): p. 248 [details]
Diagnosis Test with low to medium trochospiral coil of few, rapidly enlarging, spherical chambers per whorl, sutures radial,...
Diagnosis Test with low to medium trochospiral coil of few, rapidly enlarging, spherical chambers per whorl, sutures radial, depressed, periphery rounded, peripheral margin lobulate; wall calcareous, hyaline, optically radial, finely perforate, surface with meridionally aligned pustules and costellae resulting from fusion of adjacent pustules; aperture a low interiomarginal, umbilical to slightly extraumbilical arch, with a narrow bordering lip. U. Cretaceous (Cenomanian to Campanian); cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Costellagerina Petters, El-Nakhal & Cifelli, 1983 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=721558 on 2026-04-13
Date
action
by
original description
Petters, S. W.; El-Nakhal, H. A.; Cifelli, R. L. (1983). Costellagerina, a new Late Cretaceous globigerine foraminiferal genus. <em>The Journal of Foraminiferal Research.</em> 13(4): 247-251., available online at https://doi.org/10.2113/gsjfr.13.4.247
page(s): p. 248 [details]
basis of record 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]
additional source El-Nakhal, H. A. (1999). The relation between the Late Cretaceous foraminiferal genera <i>Meridionalla</i> El-Nakhal (1982) and <i>Costellagerina</i> Petters and others (1983). <em>Journal of Foraminiferal Research.</em> 29(1): 85. [details] Available for editors
[request]
page(s): p. 248 [details]
basis of record 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
additional source El-Nakhal, H. A. (1999). The relation between the Late Cretaceous foraminiferal genera <i>Meridionalla</i> El-Nakhal (1982) and <i>Costellagerina</i> Petters and others (1983). <em>Journal of Foraminiferal Research.</em> 29(1): 85. [details] Available for editors
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Diagnosis Test with low to medium trochospiral coil of few, rapidly enlarging, spherical chambers per whorl, sutures radial, depressed, periphery rounded, peripheral margin lobulate; wall calcareous, hyaline, optically radial, finely perforate, surface with meridionally aligned pustules and costellae resulting from fusion of adjacent pustules; aperture a low interiomarginal, umbilical to slightly extraumbilical arch, with a narrow bordering lip. U. Cretaceous (Cenomanian to Campanian); cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]