FIGURE 17 in <p><strong>Systematic review of diplommatinid land snails (Caenogastropoda, Diplommatinidae) endemic to the Palau Islands. (1) Generic classification and revision of <em>Hungerfordia</em> </strong><br /><strong>species with highly developed axial ribs</strong></p>

FIGURE 17. Hungerfordia echinata tubulispina subsp. nov. (A1–A4) A topotypic paratype, B0169a; (B) columella (dorsal view), (C) axial ribs above the aperture (after removal of parietal margin of the outer peristome), (D1) sculpture on the last 1.25–1.5 whorls, and (D2) sculpture on the 1.5–1.25 whorls of topotypic paratypes (B0169a, b); (E1–E4) holotype, B0169T; (F) umbilical view of last whorl, and (G) front view of entire shell of a topotypic paratype after removal of the spiny ribs (B0169c); (H, I) topotypic paratypes, B0169d, e; (J1, J2) outer surface, and (J3, J4) inner surface of operculum, a topotypic paratype, B0169. Scale bars, 1mm (A–K), 0.5 mm (J). All specimens, UMUTZ-MG.