Textulariida

Textulariida Temporal range: Cambrian–Recent PreꞒ Ꞓ O S D C P T J K Pg N
Textularia shell
Scientific classification
Domain:	Eukaryota
Clade:	Sar
Clade:	Rhizaria
Phylum:	Retaria
Subphylum:	Foraminifera
Class:	Globothalamea
Order:	Textulariida
Superfamilies[citation needed]
Ammodiscoidea Astrorhizacea Ataxophragmiacea Hormosinoidea Lituolacea Orbitolinacea Textulariacea Trochamminacea

The Textulariida are an order of foraminifera that produce agglutinated shells or tests. An agglutinated test is one made of foreign particles glued together with an organic or calcareous cement to form an external shell on the outside of the organism. Commonly, the order had been made up of all species of Foraminifera with these types of shells, but genetic studies indicate these organisms do not form an evolutionary group, and several superfamilies in the order have been moved to the order Allogromiida. The remaining forms are sometimes divided into three orders: the Trochamminida and Lituolida, which have organic cement, and the Textulariida sensu stricto, which use a calcareous cement. All three orders or superfamilies are known as fossils from the Cambrian onwards.

• Loeblich, Alfred R.; Tappan, Helen (1984). "Suprageneric classification of the Foraminiferida (Protozoa)". Micropaleontology. 30 (1): 1–70. Bibcode:1984MiPal..30....1L. doi:10.2307/1485456. JSTOR 1485456.
• _____—_____ 1988  : Classification of the Foraminifera
• Gupta, Barun K. Sen (2002). Modern Foraminifera. Springer. pp. 16–. ISBN 978-1-4020-0598-5.
• Loeblich, Alfred R.; Tappan, Helen (1964). Moore, R.C. (ed.). Protista 2: Sarcodina Chiefly "Thecamoebians" and Foraminiferida. Treatise on Invertebrate Paleontology. Vol. C (5th ed.). Geological Society of America. ISBN 978-0-8137-3003-5. {{cite book}}: ISBN / Date incompatibility (help)

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