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Foraminifera taxon detailsHeterostomella Reuss, 1866 †
 738139 (urn:lsid:marinespecies.org:taxname:738139)
accepted
Genus
Sagrina rugosa d'Orbigny, 1840 † accepted as Heterostomella rugosa (d'Orbigny, 1840) † (type by original designation)
marine,
fossil only
feminine
Reuss, A. E. (1866). Die Foraminiferen und Ostracoden der Kreide am Kanara-See bei Küstendsche. <em>Sitzungsberichte der mathematisch-naturwissenschaflichen Classe der kaiserlichen Akademie der Wissenschaften.</em> 52 (1): 445-470., available online at https://www.biodiversitylibrary.org/page/6447620
page(s): p. 448 [details] 
Diagnosis Test free, early stage triserial and roughly triangular in section, later chambers biserially arranged and test...
Diagnosis Test free, early stage triserial and roughly triangular in section, later chambers biserially arranged and test quadrangular in section, test angles marked by prominent ridges that may become fistulose, one ridge of the triangular part bifurcating, so that the adult biserial stage has four longitudinal ridges and may have additional supplementary longitudinal ridges; wall agglutinated, with considerable cement; aperture an interiomarginal arch in the early stage, later terminal, rounded, and may have a short neck. U. Cretaceous (Santonian to Campanian); Europe; North America. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Heterostomella Reuss, 1866 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=738139 on 2025-05-14
Date action by
original description
Reuss, A. E. (1866). Die Foraminiferen und Ostracoden der Kreide am Kanara-See bei Küstendsche. <em>Sitzungsberichte der mathematisch-naturwissenschaflichen Classe der kaiserlichen Akademie der Wissenschaften.</em> 52 (1): 445-470., available online at https://www.biodiversitylibrary.org/page/6447620
page(s): p. 448 [details] From editor or global species database
Diagnosis Test free, early stage triserial and roughly triangular in section, later chambers biserially arranged and test quadrangular in section, test angles marked by prominent ridges that may become fistulose, one ridge of the triangular part bifurcating, so that the adult biserial stage has four longitudinal ridges and may have additional supplementary longitudinal ridges; wall agglutinated, with considerable cement; aperture an interiomarginal arch in the early stage, later terminal, rounded, and may have a short neck. U. Cretaceous (Santonian to Campanian); Europe; North America. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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