WoRMS taxon details
Orbitolinidae Martin, 1890
marine, fresh, terrestrial
Martin, K., 1890, Untersuchungen über den Bau von Orbitolina (Patellina auct.) von Borneo, Sammlungen des Geologischen Reichs- Museums Leiden, ser. 1, 4:209-231. , available online at https://www.repository.naturalis.nl/document/552418 [details] Available for editors 
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Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Orbitolinidae Martin, 1890. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=555780 on 2025-04-06
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Nomenclature
original description
Martin, K., 1890, Untersuchungen über den Bau von Orbitolina (Patellina auct.) von Borneo, Sammlungen des Geologischen Reichs- Museums Leiden, ser. 1, 4:209-231. , available online at https://www.repository.naturalis.nl/document/552418 [details] Available for editors [request]
[request]Taxonomy
redescription
Schlagintweit, F. (2022). Annular chambers in Cretaceous Orbitolinidae (larger benthic foraminifera): an overview. <em>Acta Palaeontologica Romaniae.</em> (19 (1)): 45-52., available online at https://doi.org/10.35463/j.apr.2023.01.05
note: p. 45: "An emendation of the diagnosis of the family Orbitolinidae is here proposed to include tests that may consist completely or almost exclusively of post-embryonic annular chambers. As a result, ...
[details] Available for editors [request]
note: p. 45: "An emendation of the diagnosis of the family Orbitolinidae is here proposed to include tests that may consist completely or almost exclusively of post-embryonic annular chambers. As a result, ...
p. 45: "An emendation of the diagnosis of the family Orbitolinidae is here proposed to include tests that may consist completely or almost exclusively of post-embryonic annular chambers. As a result, the genus Coskinolinella Delmas & Deloffre, up to now treated as a genus of uncertain status or deleted in foraminiferal classifications, is now included in the family Orbitolinidae."
[request]From editor or global species database
Diagnosis Test conical; early stage trochospiral to pseudoplanispiral, then rectilinear with broad, low chambers subdivided by marginal subepidermal partitions, central zone containing pillars or vertical partitions; simple megalospheric embryonal apparatus of protoconch and deuteroconch or may be more complex, with one or two additional zones; may have trilaminar wall, with endoskeleton of transparent calcite partly covered by secondary granular calcite with organic material and may incorporate agglutinated particles; aperture consists of numerous pores in the central zone of the septa. M. Jurassic to Oligocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
