Globothalamea
{{Short description|Class of single-celled organisms}}
{{Automatic taxobox
| image = Ammonia beccarii.jpg
| image_alt = Ammonia beccarii
| image_caption = Ammonia beccarii
| fossil_range = Devonian? - Recent
| display_parents = 3
| taxon = Globothalamea
| authority = Pawlowski, Holzmann, & Tyszka, 2013
| subdivision_ranks = Orders
| subdivision =
}}
Globothalamea[http://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1410 World Foraminifera Database, Foraminifera] comprises a class of multichambered foraminifera based in part on SSU rDNA evidence;{{cite journal| doi=10.1016/j.marmicro.2013.04.002 | volume=100 | title=New supraordinal classification of Foraminifera: Molecules meet morphology | year=2013 | journal=Marine Micropaleontology | pages=1–10 | last1 = Pawlowski | first1 = Jan | last2 = Holzmann | first2 = Maria | last3 = Tyszka | first3 = Jarosław}} the other is Tubothalamea.
Six orders are included, which vary notably in composition, wall structure, and chamber arrangement. The Lituolida, Loftusiida, and Textulariida (as emended) have tests (shells) of agglutinated matter, glued together by various cements, but differ in chamber arrangement, wall structure, and complexity. In contrast the Carterinida, Robertinida and Rotaliida, with buliminids lumped into the Rotaliida, have calcareous tests. Those of rotaliid genera, which vary considerably, are of perforate hyaline (glassy) calcite. in contrast the Carterinida have tests composed of bundled calcite spicules. The Robertida differ in being composed, instead, of aragonite.[http://www.gsi.ir/General/Lang_en/Page_48/Action_FirstPageView Foraminifera genera and their description] {{Webarchive|url=https://web.archive.org/web/20151127042810/http://www.gsi.ir/General/Lang_en/Page_48/Action_FirstPageView |date=2015-11-27 }} A.R. Loeblich jr & H. Tappan, 1988. e-book.
Subclass Textulariia
- Orders: Lituolida – Loftusiida – Textulariida
Unassigned
- Orders: Carterinida – Robertinida – Rotaliida