FIGURE 21 A1–A3 in The Architectonicidae and Mathildidae (Gastropoda, Heterobranchia) of the Miocene Paratethys Sea-victims of the Miocene Climatic Transition

FIGURE 21 A1–A3. Spirolaxis cornicula (Boettger, 1902), lectotype, SMF 372697, Coşteiu de Sus (Romania). B1–B3. Spirolaxis cornicula (Boettger, 1902), holotype of Discohelix quinquangularis Boettger, 1902, SMF 372694, Lăpugiu de Sus (Romania). C1–C2. Spirolaxis cornicula (Boettger, 1902), NHMW 2016/0177/0342, Lăpugiu des Sus (Romania).