Foraminifera name details
Concavatotruncana Korchagin, 1982 †
722172 (urn:lsid:marinespecies.org:taxname:722172)
unaccepted (Subjective junior synonym in opinion of Mikrotax http://mikrotax.org/pforams/)
Genus
Rotalia concavata Brotzen, 1934 † accepted as Globotruncana concavata (Brotzen, 1934) † accepted as Dicarinella concavata (Brotzen, 1934) † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
feminine
Korchagin, V. I. (1982). Систематика глоботрунканин - Systematics of the Globotruncanids. <em>Byulletin Moskovskogo Obshchestva Ispytateley Prirody, Otdel Geologicheskiy.</em> 57(5): 114-121. [details]
Diagnosis Test trochospiral, biconvex to planoconvex, sutures curved, elevated on the spiral side, radial and depressed around the...
Diagnosis Test trochospiral, biconvex to planoconvex, sutures curved, elevated on the spiral side, radial and depressed around the broad umbilicus that comprises up to one-third th'e diameter of the umbilical side, peripheral outline lobulate, periphery bicarinate, with intervening imperforate carinal band; primary aperture interiomarginal, extraumbilical-umbilical, with bordering porticus, successive portici cover the umbilicus and are provided with infralaminal accessory apertures. U. Cretaceous (U. Cenomanian to Santonian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database. Concavatotruncana Korchagin, 1982 †. Accessed at: http://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=722172 on 2025-05-24
Date
action
by
original description
Korchagin, V. I. (1982). Систематика глоботрунканин - Systematics of the Globotruncanids. <em>Byulletin Moskovskogo Obshchestva Ispytateley Prirody, Otdel Geologicheskiy.</em> 57(5): 114-121. [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]
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 trochospiral, biconvex to planoconvex, sutures curved, elevated on the spiral side, radial and depressed around the broad umbilicus that comprises up to one-third th'e diameter of the umbilical side, peripheral outline lobulate, periphery bicarinate, with intervening imperforate carinal band; primary aperture interiomarginal, extraumbilical-umbilical, with bordering porticus, successive portici cover the umbilicus and are provided with infralaminal accessory apertures. U. Cretaceous (U. Cenomanian to Santonian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]