Involutinidae
| Involutinida Temporal range: Early Permian - Cenomanian. | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Phylum: | Retaria |
| Subphylum: | Foraminifera |
| Class: | Spirillinata |
| Order: | Involutinida |
| Family: | Involutinidae |
| Subfamilies | |
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See text | |
The Involutinidae are a family of foraminiferal protozoans[1] included in the Involutinida, characterized by calcareous tests consisting of an undivided planispirally to trochospirally coiled tubular second chamber wound around the initial proloculus, and which may have thickenings or nodes on one or both sides. This family includes four subfamilies, Aulotortinae, Involutininae, Triadodiscinae, and Triasininae.[2]
The Involutinidae were previously included in the in the Treatise on Invertebrate Paleontology Part C, 1964.[3]
References
- ↑ Only Six Kingdoms of Life Cavalier-Smith, 2004
- ↑ Involutinidae Loeblich & Tappan 1988 in GSI e-book
- ↑ A.R Loeblich & H.Tappan, 1964. Protista 2, Sarcodina. Chiefly "Thecamoebians" and Foraminifera. Treatise on Invertebrate Paleontology, Part C, Protista 2.
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