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Foraminifera taxon detailsBiconcava Hamaoui, 1965 †
 738393 (urn:lsid:marinespecies.org:taxname:738393)
accepted
Genus
Biconcava bentori Hamaoui, 1965 † (type by monotypy)
marine,
fossil only
feminine
Hamaoui, M. (1965). Biostratigraphy of the Cenomanian Type Hazera Formation. <em>Geol. Surv. Israel Stratigraphic Sections.</em> 2b: 1-27.
page(s): p. 14 [details] Available for editors  [request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Biconcava Hamaoui, 1965 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=738393 on 2024-08-15
Date action by
original description
Hamaoui, M. (1965). Biostratigraphy of the Cenomanian Type Hazera Formation. <em>Geol. Surv. Israel Stratigraphic Sections.</em> 2b: 1-27.
page(s): p. 14 [details] Available for editors [request] From editor or global species database
Diagnosis Test free, planispirally enrolled, partially evolute, biumbilicate, periphery subacute, up to twenty-four chambers in the final whorl, about three and a half whorls in the adult, sutures elevated, slightly curved; wall calcareous, microgranular, imperforate; aperture in the early stage an interiomarginal arch with extension up the apertural face, later areal in a median groove that extends up the apertural face. U. Cretaceous (Cenomanian); Israel; Lebanon; Iran; Italy. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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