Acteonidae, Bullinidae and Ringiculidae (Gastropoda: Heterobranchia) from the Plio-Pleistocene of the Philippines Author Helwerda, Renate A. text Zootaxa 2015 3990 2 197 220 journal article 10.11646/zootaxa.3990.2.2 1740ec81-c55e-44ce-9a6d-cd62acd5d898 1175-5326 242947 BDF1BC11-4848-4858-99DC-0336A5FBEE2B Ringicula spec 4 ( Figure 34 ) Material. Roxas (3) RGM 961.850. Characterization. Shell small, high-spired; H 2.75 mm , W 1.52 mm; protoconch slightly elevated, 1.2 whorl, DP 0.23 mm ; nucleus small, DN 0.12 mm ; teleoconch with distinct subsutural ridge and groove; additional sculpture of 12 distinct spiral grooves on the body whorl; aperture damaged in all specimens; parietal callus with lamella; columella with two folds. Remarks. These specimens are difficult to assign to a species, because of their broken apertures. Their spires are more elevated than that of any of the other Ringicula species present in the studied material. They might belong to Ringicula doliaris Gould, 1860 , because some specimens attributed to this species have a similarly elevated spire, with similar sculpture, but these specimens attain a larger size of at least 4 mm .