Skip to main content
Swiss Journal of Palaeontology
Fig. 5 | Swiss Journal of Palaeontology

Fig. 5

From: Berriasian planktonic foraminifera and calcareous nannofossils from Crimea Mountains, with reference to microfossil evolution

Fig. 5

1–12, Conoglobigerina gulekhensis (Gorbachik and Poroshina) 1979 from sample Cr1, Berriasian, Krasnoselivka section, Crimea, Russia. Specimens typically show a narrow initial spire composed of two whorls and a last and flaring whorl with three (common) or four chambers in the last whorl. The initial narrow spire often is under an angle with the coiling axis of the last whorl (as seen to some extent in the SEM images 4 and 8 and optical photographs 9 and 10). Wall texture is reticulate as seen in 1a

Back to article page