Calcivertellinae

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]
	Apterrinella; Carixia; Plummerinella; Ramovsia

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]

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

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.
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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[LoeblichTappan1988-1] Loeblich, A. R.; Tappan, H. (1988). Foraminiferal genera and their classification. ISBN 9781489957603. Retrieved 23 February 2022.

[Kobayashi202-2] 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.

[Toomey1969-3] 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.

[FontaineEtal1990-4] 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.

[GaillotVachard2007-5] 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.

[FOOTNOTEGaillotVachard200729-6] Gaillot & Vachard 2007, p. 29.

[VachardKrainer2001-7] 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.