Figure 4 in Integrative taxonomy of Gymnobela and Pontiothauma (Conoidea: Raphitomidae) from Australian waters provides more evidence of transoceanic distribution in deep-sea gastropods

Figure 4. Shells of Gymnobela primary species hypotheses (PSHs)/species studied herein. (A) G. frielei (Verril, 1885), holotype Smithsonian National Museum of Natural History (USNM) 44653; (B) G4/ G. frielei Australian Museum (AMS) C.571666; (C) G4/G. frielei AMS C.571702; (D) G4/G. frielei AMS C.482314; (E) G4/G. frielei AMS C.571812; (F) G4/G. frielei AMS C.571677; (G) G4/G. glaucocreas (Barnard, 1963), holotype Iziko South African Museum (ISAM) A9821; (H) G3/G. angulosa Sysoev, 1988, holotype Zoological Museum of Moscow University (ZMMU) Lc-22363 (I) G3/G. angulosa AMS C.571649; (J) G3/ G. angulosa AMS C.571648; (K) G3/G. angulosa, Bavarian State Collection of Zoology (ZSM) mol 20070770. Scale bar = 10 mm.