Foraminifera taxon details
Igorina Davidzon, 1976 †
721433 (urn:lsid:marinespecies.org:taxname:721433)
accepted
Genus
Globorotalia tadjikistanensis Bykova, 1953 † accepted as Acarinina tadjikistanensis (Bykova, 1953) † accepted as Igorina tadjikistanensis (Bykova, 1953) † (type by original designation)
- Species Igorina albeari (Cushman & Bermúdez, 1949) †
- Species Igorina isabellae Soldan & Petrizzo, 2013 †
- Species Igorina paraspiralis Soldan, Petrizzo, Premoli Silva & Cau, 2011 †
- Species Igorina praecarinata Soldan, Petrizzo, Premoli Silva & Cau, 2011 †
- Species Igorina pusilla (Bolli, 1957) †
- Species Igorina tadjikistanensis (Bykova, 1953) †
- Species Igorina anapetes (Blow, 1979) † accepted as Pearsonites anapetes (Blow, 1979) †
marine, brackish, fresh, terrestrial
fossil only
feminine
Davidzon, R. M. (1976). Novyy paleogenovyy rod planktonnykh foraminifer [A new Paleogene planktonic
foraminiferal genus]. <em>Trudy Vsesoyuznogo Nauchnoissledovatel'skogo Geologorazvedochnogo Neftyanogo Instituta (VNIGNI), Tadzhikskoe Otdelenie.</em> 183: 197-198.
page(s): p. 197 [details]
page(s): p. 197 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Igorina Davidzon, 1976 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=721433 on 2024-03-28
Date
action
by
original description
Davidzon, R. M. (1976). Novyy paleogenovyy rod planktonnykh foraminifer [A new Paleogene planktonic
foraminiferal genus]. <em>Trudy Vsesoyuznogo Nauchnoissledovatel'skogo Geologorazvedochnogo Neftyanogo Instituta (VNIGNI), Tadzhikskoe Otdelenie.</em> 183: 197-198.
page(s): p. 197 [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]
page(s): p. 197 [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]
From editor or global species database
Diagnosis Test trochospirally enrolled, compact, biconvex, commonly with more convex umbilical side, five to nine chambers in the final whorl, arched backward at the periphery on the spiral side, sutures flush to slightly depressed and oblique, chambers subtriangular on the umbilical side, and sutures radial and straight to gently curved, umbilicus small to absent, periphery subangular, outline weakly lobulate; wall calcareous, surface smooth to weakly and finely pustulose; aperture a low interiomarginal slit midway between the umbilicus and periphery but may extend to the small umbilicus. U. Paleocene to L. Eocene, cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]