# Discorbis

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{{Short description|Genus of single-celled organisms}}
{{Automatic taxobox
| fossil_range = [Eocene](/source/Eocene) - Recent
| image =
| image_caption =
| taxon = Discorbis
| authority = Lamark, 1804
}}

'''''Discorbis''''' is a genus of [benthic](/source/benthos) Foraminifera (Kingdom [Protista](/source/Protista) in paleontological classifications), that made its first appearance during the [Eocene](/source/Eocene). Its present distribution is cosmopolitan.

''Discorbis'' produces a smooth plano-convex to unequally biconvex trochospiral test (shell) with a flattened umbilical side, taking up about two and a half whorls, with seven to ten chambers in the final whorl. The test wall is calcareous, thin, optically radial, and finely to coarsely perforate. Sutures are depressed and curved to nearly radial. 
The umbilical region is covered by triangular flaps that extend from the umbilical margin of each chamber, forming a small chamberlet beneath. The aperture is a low, interiomarginal arch, outside the umbilicus.

The classification here is that of 1964, in the [Treatise on Invertebrate Paleontology](/source/Treatise_on_Invertebrate_Paleontology). As an alternative it may be included in the family Pegidiidae, which is elevated from the [rotaliid](/source/Rotaliidae) subfamily Pegidiinae.

== References ==
{{Reflist}}
*{{cite book  |authorlink=Alfred R. Loeblich Jr |authorlink2=Helen Niña Tappan Loeblich |first1=Alfred R. |last1=Loeblich |first2=Helen |last2=Tappan |title=Protista 2: Sarcodina Chiefly "Thecamoebians" and Foraminiferida |url=https://books.google.com/books?id=HJSotN7FA-sC |year=1964 |publisher=Geological Society of America |isbn=978-0-8137-3003-5 |volume=C |edition=5th |series=[Treatise on Invertebrate Paleontology](/source/Treatise_on_Invertebrate_Paleontology) |editor-first=R.C. |editor-last=Moore }}
* Loeblich and Tappan, 1988. Forminiferal Genera and their classification
Geological Survey of Iran, (e-book) 2005. [https://web.archive.org/web/20120616112446/http://www.gsi.ir/General/Lang_en/Page_48/Action_FirstPageView/FORAMINIFERIDA.html]
* Loeblich and Tappan, 1992. Systematics of Modern Foraminifera, revised in Sen Gupta (ed) 2002, Modern Foraminifera  [https://books.google.com/books?id=K-3tUmXW-IgC&pg=PA16]

''see also''
*[Joseph A. Cushman](/source/Joseph_Augustine_Cushman), 1950. Foraminifera, their classification and economic use. Harvard University Press, Cambridge, Massachusetts. 4th edition, 1950

{{Taxonbar|from=Q5281688}}

Category:Discorbidae
Category:Rotaliida genera

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Adapted from the Wikipedia article [Discorbis](https://en.wikipedia.org/wiki/Discorbis) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Discorbis?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.