Foraminifera taxon details
Quasiborelis Hanzawa, 1967 †
721290 (urn:lsid:marinespecies.org:taxname:721290)
accepted
Genus
Borelis gunteri Cole, 1941 † accepted as Quasiborelis gunteri (Cole, 1941) † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
masculine
Hanzawa, S. (1967), Three New Tertiary Foraminiferal Genera from Florida, Saipan and Guam. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no.65, pp.19-25, pls.3-4. , available online at https://doi.org/10.14825/prpsj1951.1967.65_19
page(s): p. 21 [details] Available for editors
[request]
page(s): p. 21 [details] Available for editors
[request]
Diagnosis Test small, up to 1.5 mm in diameter, nautiloid, proloculus large and globular, whorls few and expanding rapidly, septula...
Diagnosis Test small, up to 1.5 mm in diameter, nautiloid, proloculus large and globular, whorls few and expanding rapidly, septula continuous from chamber to chamber, chambers subdivided horizontally into tiers of chamberlets by one to five floors, preseptal canal high; aperture a row of openings in the apertural face (possible supplementary openings into the upper layers of chamberlets not described). Paleocene (Danian), Midwayan; USA: Florida. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Quasiborelis Hanzawa, 1967 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=721290 on 2026-03-05
Date
action
by
original description
Hanzawa, S. (1967), Three New Tertiary Foraminiferal Genera from Florida, Saipan and Guam. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no.65, pp.19-25, pls.3-4. , available online at https://doi.org/10.14825/prpsj1951.1967.65_19
page(s): p. 21 [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. 21 [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]From editor or global species database
Diagnosis Test small, up to 1.5 mm in diameter, nautiloid, proloculus large and globular, whorls few and expanding rapidly, septula continuous from chamber to chamber, chambers subdivided horizontally into tiers of chamberlets by one to five floors, preseptal canal high; aperture a row of openings in the apertural face (possible supplementary openings into the upper layers of chamberlets not described). Paleocene (Danian), Midwayan; USA: Florida. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
Image from typetaxon