Monothalamea
Sign in to saveMonothalamea is a grouping of foraminiferans, traditionally consisting of all foraminifera with single-chambered tests. Recent work has shown that the grouping is paraphyletic, and as such does not constitute a natural group; nonetheless, the name monothalamea continues to be used by foraminifera workers out of convenience.
Species
Class
- PhylumForaminifera
- ClassMonothalamea
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Wikidata facts
- Parent taxon
- Foraminifera
- Image
- XenophyophoreNOAA.jpg
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- taxon name
- Monothalamea
- taxon rank
- superorder
- Commons category
- Monothalamea
- taxon common name
- 单房室有孔纲
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Encyclopedic overview
4 sectionsContents
- Classification
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Monothalamea is a grouping of foraminiferans, traditionally consisting of all foraminifera with single-chambered tests. Recent work has shown that the grouping is paraphyletic, and as such does not constitute a natural group; nonetheless, the name monothalamea continues to be used by foraminifera workers out of convenience.
== Classification == "Monothalamea" traditionally contains two groups, neither of which is currently considered to be monophyletic: "Allogromiida" traditionally consists of all foraminifera which lack a mineralised test, instead having a test of tectin. Recent work has shown that this grouping is paraphyletic. "Astrorhizida" traditionally consists of all foraminifera with single-chambered, agglutinated tests. Recent work has shown that this grouping is polyphyletic, as agglutinated tests have evolved from proteinaceous tests multiple times throughout foraminiferal evolution.
Excerpted from Wikipedia’s “Monothalamea” article, available under the CC BY-SA 4.0 licence.