Foraminifera taxon details
Berthelinopsis Sliter, 1968 †
722098 (urn:lsid:marinespecies.org:taxname:722098)
accepted
Genus
Berthelinopsis carlsbadensis Sliter, 1968 † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
feminine
Sliter, W. V. (1968). Upper Cretaceous Foraminifera from southern California and northwestern Baja California, Mexico. <em>University of Kansas Paleontological Contributions.</em> 49(7): 1-141., available online at https://kuscholarworks.ku.edu/handle/1808/3823
page(s): p. 76 [details] Available for editors
[request]
page(s): p. 76 [details] Available for editors

Diagnosis Test small, up to 0.3 mm in length, elongate ovate in outline, flattened, periphery rounded, chambers broad and low,...
Diagnosis Test small, up to 0.3 mm in length, elongate ovate in outline, flattened, periphery rounded, chambers broad and low, obliquely arranged and extending proximally at the margins, biserial but slightly sigmoid in plan in the early stage; wall calcareous, finely perforate, radial in structure, surface smooth; aperture terminal, an elongate slit in the plane of compression. U. Cretaceous (Campanian); USA: California. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Berthelinopsis Sliter, 1968 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=722098 on 2025-05-10
Date
action
by
original description
Sliter, W. V. (1968). Upper Cretaceous Foraminifera from southern California and northwestern Baja California, Mexico. <em>University of Kansas Paleontological Contributions.</em> 49(7): 1-141., available online at https://kuscholarworks.ku.edu/handle/1808/3823
page(s): p. 76 [details] Available for editors
[request]
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]
page(s): p. 76 [details] Available for editors

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

From editor or global species database
Diagnosis Test small, up to 0.3 mm in length, elongate ovate in outline, flattened, periphery rounded, chambers broad and low, obliquely arranged and extending proximally at the margins, biserial but slightly sigmoid in plan in the early stage; wall calcareous, finely perforate, radial in structure, surface smooth; aperture terminal, an elongate slit in the plane of compression. U. Cretaceous (Campanian); USA: California. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]