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Caucasina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Cassidulinacea
Family:
Caucasinidae
Subfamily:
Caucasininae
Formal Genus Name and Reference:
Caucasina KHALILOV, 1951, *1036, p. 58
Type Species:
C. oligocenica, OD [·C. oligocenica =Bulimina schischkinskye SAMOYLOVA, 1947, ·1623, p. 82, 100 (recte B. schischkinskayae).]
Images
(Click to enlarge in a new window)
Fig. 602,1. *C . schischkinskayae (SAMOYLOVA), Oligo., USSR(Caucasus); la,b, side and basal views, XI06 (*1S09). -- Fig. 602,2. C. vilrea (CUSHMAN & PARKER), U.Cret., USA(Miss.); 2a-c, side, basal, and apert. views, X200 (*1172).
Synonyms
Aeolostreptis
Geographic Distribution
Eu.-N.Am.-Asia.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Mio.
Ending International Stage:
Messinian
Fraction Up In Ending Stage:
100
Ending Date:
5.34
Description
Test free, elongate, base bluntly rounded, early portion in low discorbine coil with up to 8 chambers per whorl, later whorls becoming high-spired and reduced in number of chambers to 3 per whorl, early chambers low, later about equal in breadth and height and may be inflated, but not extremely high and elongate, sutures distinct, depressed, wall calcareous, finely perforate, granular in structure, surface smooth, aperture an elongate loop at inner margin of final chamber, at right angles to sutures, with narrow lip at forward margin.
References
Keyzer, F. G. [see Keijzer, F. G.] Khalilov, D. M., 1951, O faune foraminifer $i$ raschlenenii oligotsenovykh otlozheniy severo-vostochnogo predgorya Malogo Kavkaza: Akad. Nauk Azerbaidzhanskoi SSR, Izvestya, no. 3, p. 43-61, pl. 1-4. [On a foraminiferal fauna and isolated Oligocene deposits of the northeast foothills of the lesser Caucasus.] (1037) 1956, O Pelagicheskoy taune foraminifer paleogenovykh otlozheniy Azerbaydzhana: Akad. Nauk Azerbaidzhanskoi SSR, Inst. Geol., Trudy, v. 17, p. 234-255, pl. 1-5. [On a pelagic foraminiferal fauna of Paleogene deposits of Azerbaidzhan.] -(1038) 1958, Novye predstaviteli foraminifer paleogenovykh otlozheniy Azerbaydzhana: Akad. Nauk Azerbaidzhanskoi SSR, Izvestiya, Ser. Geol. \& Geog. Nauk, no. 2, p. 3-14, pl. 1-2. [New representatives of Foraminifera of Paleogene deposits of Aberbaidzhan.] Kikoïne, J., 1948, Les Heterohelicidae du Crétacé superieur pyrénéen: Soc. géol. France, ser. 5, v. 18, pt. 1-3, p. 15-35, pl. 1-2.
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Cassidulinacea
Family:
Caucasinidae
Subfamily:
Caucasininae
Formal Genus Name and Reference:
Caucasina KHALILOV, 1951, *1036, p. 58
Type Species:
C. oligocenica, OD [·C. oligocenica =Bulimina schischkinskye SAMOYLOVA, 1947, ·1623, p. 82, 100 (recte B. schischkinskayae).]
Images
(Click to enlarge in a new window)
Fig. 602,1. *C . schischkinskayae (SAMOYLOVA), Oligo., USSR(Caucasus); la,b, side and basal views, XI06 (*1S09). -- Fig. 602,2. C. vilrea (CUSHMAN & PARKER), U.Cret., USA(Miss.); 2a-c, side, basal, and apert. views, X200 (*1172).
Synonyms
Aeolostreptis
Geographic Distribution
Eu.-N.Am.-Asia.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Mio.
Ending International Stage:
Messinian
Fraction Up In Ending Stage:
100
Ending Date:
5.34
Description
Test free, elongate, base bluntly rounded, early portion in low discorbine coil with up to 8 chambers per whorl, later whorls becoming high-spired and reduced in number of chambers to 3 per whorl, early chambers low, later about equal in breadth and height and may be inflated, but not extremely high and elongate, sutures distinct, depressed, wall calcareous, finely perforate, granular in structure, surface smooth, aperture an elongate loop at inner margin of final chamber, at right angles to sutures, with narrow lip at forward margin.
References
Keyzer, F. G. [see Keijzer, F. G.] Khalilov, D. M., 1951, O faune foraminifer $i$ raschlenenii oligotsenovykh otlozheniy severo-vostochnogo predgorya Malogo Kavkaza: Akad. Nauk Azerbaidzhanskoi SSR, Izvestya, no. 3, p. 43-61, pl. 1-4. [On a foraminiferal fauna and isolated Oligocene deposits of the northeast foothills of the lesser Caucasus.] (1037) 1956, O Pelagicheskoy taune foraminifer paleogenovykh otlozheniy Azerbaydzhana: Akad. Nauk Azerbaidzhanskoi SSR, Inst. Geol., Trudy, v. 17, p. 234-255, pl. 1-5. [On a pelagic foraminiferal fauna of Paleogene deposits of Azerbaidzhan.] -(1038) 1958, Novye predstaviteli foraminifer paleogenovykh otlozheniy Azerbaydzhana: Akad. Nauk Azerbaidzhanskoi SSR, Izvestiya, Ser. Geol. \& Geog. Nauk, no. 2, p. 3-14, pl. 1-2. [New representatives of Foraminifera of Paleogene deposits of Aberbaidzhan.] Kikoïne, J., 1948, Les Heterohelicidae du Crétacé superieur pyrénéen: Soc. géol. France, ser. 5, v. 18, pt. 1-3, p. 15-35, pl. 1-2.