Fig. 18 in Ponto-Caspian And Mediterranean Faunal And Floral Records Of Upper Pleistocene-Holocene Sediments From The İzmit Gulf (Marmara Sea, Turkey)

Fig. 18 Photographs of selected gastropod species identified from the İzmit Gulf drillings. a1, a2. Gibbula albida, height: 2 mm, 207/5 m. b1, b2. Gibbula varia, height: 1 mm, 208/5 m. c1, c2. Gibbula sp., height: 3.5 mm, 208/5 m. d1, d2. Tricolia pullus, height: 2 mm, 207/1 m. e1, e2. Omalogyra atomus, height: 1 mm, 205/14 m. f1, f2. Caecum trachea, height: 2 mm, 207/13 m. g1, g2. Alvania abbysicola, height: 2 mm, 205/10 m. h1, h2. Alvania cimex, height: 2 mm, 206/41 m. i1, i2. Alvania sp., height: 1 mm, 206/41 m. j1, j2. Cingula sp., height: 3 mm, 205/14 m. k1, k2. Monzonia crassa, height: 3 mm, 207/1 m. l1, l2. Rissoa marginata, height: 5 mm, 207/13 m. m1, m2. Rissoa pulchella, height: 2.5 mm, 207/13 m. n1, n2. Turritella sp., height: 1.5 mm, 207/9 m. o1, o2. Pirenella conica, height: 3.5mm, 205/1.5 m. p1, p2. Bittium latreilli, height: 2mm, 207/13 m. q1, q2. Natica rizzae, height: 5 mm, 206/41 m. r1, r2. Trophon sp., height: 2mm, 207/5 m.