Foraminifera taxon details
Biplanata Hamaoui & Saint-Marc, 1970 †
738409 (urn:lsid:marinespecies.org:taxname:738409)
accepted
Genus
Biplanata peneropliformis Hamaoui & Saint-Marc, 1970 † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
feminine
Hamaoui, M.; Saint-Marc, P. (1970). Microfaunes et microfaciès du Cénomanien du Proche-Orient. <em>Bulletin du Centre de Recherches Pau - SNPA.</em> 4(2): 257-352.
page(s): p. 262 [details] Available for editors
[request]
page(s): p. 262 [details] Available for editors
[request]
Diagnosis Test large, up to 1.6 mm in diameter, planispirally enrolled and semi-involute, numerous low and very broad chambers per...
Diagnosis Test large, up to 1.6 mm in diameter, planispirally enrolled and semi-involute, numerous low and very broad chambers per whorl, increasing from about eight in the first whorl up to thirty in the final somewhat flaring whorl, interior subdivided by an endoskeletal median plate that is basally digitate, the separate portions attaching as pillars between the multiple openings of the preceding chamber, sutures distinct, depressed, slightly arched back at the periphery; wall calcareous, imperforate, microgranular; aperture consists of a row of openings along the apertural face. U. Cretaceous (Cenomanian); Israel; Lebanon. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Biplanata Hamaoui & Saint-Marc, 1970 †. Accessed at: https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=738409 on 2025-05-30
Date
action
by
original description
Hamaoui, M.; Saint-Marc, P. (1970). Microfaunes et microfaciès du Cénomanien du Proche-Orient. <em>Bulletin du Centre de Recherches Pau - SNPA.</em> 4(2): 257-352.
page(s): p. 262 [details] Available for editors [request]
page(s): p. 262 [details] Available for editors
[request]From editor or global species database
Diagnosis Test large, up to 1.6 mm in diameter, planispirally enrolled and semi-involute, numerous low and very broad chambers per whorl, increasing from about eight in the first whorl up to thirty in the final somewhat flaring whorl, interior subdivided by an endoskeletal median plate that is basally digitate, the separate portions attaching as pillars between the multiple openings of the preceding chamber, sutures distinct, depressed, slightly arched back at the periphery; wall calcareous, imperforate, microgranular; aperture consists of a row of openings along the apertural face. U. Cretaceous (Cenomanian); Israel; Lebanon. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
Image from typetaxon