Ampullinidae, Cossmann, 1918

Islamoğğlu, Yeşşim, Dominio, Stefano & Kowalke, Thorsten, 2011, Early Eocene Caenogastropods (Mollusca, Gastropoda) from Haymana-Polatl Basin, Central Anatolia (Turkey): taxonomy and palaeoecology, Geodiversitas 33 (2), pp. 303-330 : 312

Ampullinidae indet. ( Fig. 5E, F )

MATERIAL EXAMINED. — Two specimens, MTA- Y. İ.-2007 -18.

TYPE LOCALITY AND HORIZON. — Grey siltstone, KIrkkavak Formation (Macunköy: sample G1).

DESCRIPTION

Shell thick, medium sized, ovate globular, spire conical, high, spire whorls convex, stepped, separated by deep suture lines, body whorl ovate, narrow, forms about 70 % of total shell height. The umbilicus is covered by a thickened callus from the columellar part of the inner lip, the aperture is moderately narrow, ovate, quadrangular and elongated towards the base.

Figures

FIG. 5. — Caenogastropods (deposited in the repositories of the General Directorate of Mineral Research and Exploration, Ankara): A, B, N, “Ampullina” cf. vapincana (d’Orbigny, 1850); C, D, “Ampullina” cf. vulcani (Brongniart, 1823); E, F, “Ampullinid” indet.; G, Campanile giganteum (Lamarck, 1804); H-K, Cerithium puigcercosensis (Cossmann, 1897) n. comb.; L, M, “Crommium” sp. 1. Scale bars: 1 cm.