FIG. 7 in New species of Eocithara Fischer, 1883 (Mollusca, Gastropoda, Harpidae) from the Early Paleogene with phylogenetic analysis of the Harpidae

FIG. 7. — Direction of the umbilical ridge on the ventral face (character 23); A, state 0: straight umbilical ridge, e.g.: Cryptochorda stromboides (Hermann, 1781), MNHN R11405, Grignon, Yvelines, France, Lutetian; B, state 1: dorsally oriented umbilical ridge, e.g.: Eocithara (s.s.) jacksonensis (Harris, 1896), MNHN R11406 (L. Dolin coll.), Jackson, USA, Priabonian; C, state 2: ventrally oriented, e.g.: Harpa doris Röding, 1798, MNHN R11402 (Lecointre coll.), Praia de Castalho, Cape Verde, Recent. Abbreviations: vf, ventral face; df, dorsal face; ur, umbilical ridge. The black arrow indicates the direction of the umbilical ridge. Scale bar: 10 mm.