Calcivertellinae is a subfamily of foraminifera belonging to the order Miliolida.[1][2] Calcivertellids have been found in Pennsylvanian[3] to Triassic[4] beds and had a cosmopolitan distribution.[4][5]
| Calcivertellinae | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | SAR |
| Phylum: | Retaria |
| Subphylum: | Foraminifera |
| Class: | Tubothalamea |
| Order: | Miliolida |
| Family: | †Cornuspiridae |
| Subfamily: | †Calcivertellinae Loeblich and Tappan 1964 |
| Genus[1] | |
The calcivertellids are characterized by a porcelain-like test consisting of a single tube, initially forming a spiral but opening out into a zigzag shape. They live attached to a surface or to other organisms.[6][7]
References edit
- ^ a b Loeblich, A. R.; Tappan, H. (1988). Foraminiferal genera and their classification. ISBN 9781489957603. Retrieved 23 February 2022.
- ^ Kobayashi, Fumio (July 2012). "Middle and late Permian foraminifers from the Chichibu Belt, Takachiho Area, Kyushu, Japan: implications for faunal events". Journal of Paleontology. 86 (4): 669–687. doi:10.1666/11-049R.1. S2CID 130236479.
- ^ Toomey, D.F. (1969). "The Biota of the Pennsylvanian (Virgilian) Leavenworth Limestone, Midcontinent Region Part I: Stratigraphy, Paleogeography, and Sediment Facies Relationships". Journal of Paleontology. 43 (4): 1001–1018.
- ^ a b Fontaine, Henri; Rodziah, Daud; Singh, Updesh (January 1990). "Discovery of an Upper Triassic limestone basement in the Malay Basin, offshore Peninsular Malaysia: regional implications". Journal of Southeast Asian Earth Sciences. 4 (3): 219–232. Bibcode:1990JAESc...4..219F. doi:10.1016/S0743-9547(05)80015-7.
- ^ Gaillot, J.; Vachard, D. (2007). "The Khuff Formation (Middle East) and time-equivalents in Turkey and South China: biostratigraphy from Capitanian to Changhsingian times (Permian), new foraminiferal taxa, and palaeogeographical implications" (PDF). Coloquios de Paleontología. 57: 37–233. Retrieved 23 February 2022.
- ^ Gaillot & Vachard 2007, p. 29.
- ^ Vachard, Daniel; Krainer, Karl (31 July 2001). "Small foraminifers of the Upper Carboniferous Auernig Group, Carnic Alps (Austria/Italy)". Rivista italiana di Paleontologia e Stratigrafia. 107 (2). doi:10.13130/2039-4942/5430.
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