ORDUINA ERKI SIREL 1969 RENAMED AS LAFFITTEINA ERKI (SIREL) FROM THE THANETIAN OF ORDU AND BURDUR (TURKEY)

In 1969, Orduina erki Sirel and its subspecies Orduina erki conica Sirel were first described and figured by the present author from the Paleocene of GöIköy (south of Ordu) Orduina erki is reviewed on well preserved and isolated speomens collected from the Paleocene (Thaneban) of Ordu and Burdur regions Orduina was accepted as a synonym of Laffitteina Mane by the presence of ramifying interseptal canals that open as two alternating rows of pores along the sutures on the spiral side and coarsely perforate, calcareous, hyaline wall

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Loeblich, A. and Tappan, H., 1988, Foraminiferal genera and their classification: V. I, 970 p.; V. II, 212 p., 847 PI., New York (Van Nostrand Reinhold).
Marie, P., 1946, Sur Laffineina bibensis et Larfineina mon- odi nouveau genre et nouvelles especes de fora- miniteres du Montien: Bull. Soc. Geol. France (1945), 5, 15, 419-434.
Sirel, E., 1969, On the discovery of Orduina n. gen., a new genus of family Rotaliidae: MTA Bull, (for- eign edition), 73, 145-147.
Smout, A.M., 1954, Lower Tertiary Foraminifera of the Qa- tar peninsula: London, British Museum (Natural History).

ISSN: 0026-4563
Yayın Aralığı: Yılda 3 Sayı
Başlangıç: 1950
Yayıncı: Cahit DÖNMEZ

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