Amplirhagada mckenziei Köhler 2010, n.sp.

• Main Author: Köhler, Frank
• Format: Other/Unknown Material
• Language: unknown
• Published: 2010
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Stylommatophora; Camaenidae; Amplirhagada; Amplirhagada mckenziei; Bonaparte; Oliver Island
• Online Access: https://zenodo.org/record/5239015; https://doi.org/10.5281/zenodo.5239015

Amplirhagada mckenziei n.sp. Type locality (Fig. 1). Western Australia, northwestern Kimberley, Bonaparte Archipelago, Admiralty Gulf, Montesquieu Islands, Oliver Island, 14°05'42"S 125°44'30"E; KC-062 (leg. V. Kessner & A. Longbottom, 18 June 1988). Type material. Holotype WAM S34604 (Pl. 1.8). Paratypes WAM S41488 (3 preserved specimens), FMNH 219253 (3 preserved specimens). Additional, non-type material. AMS C463727, FMNH 219250, WAM S41487 (Western Australia, northwestern Kimberley, Bonaparte Archipelago, Admiralty Gulf, Montesquieu Islands, unnamed island SE of Oliver Island, 14°05'55"S 125°44'50"E; KC-061). Etymology. Named in honour of Norman L. McKenzie, Western Australian Department of Environment and Conservation, in recognition of his promotion of malacological research in Western Australia. Sealing strategy. Rock sealer. Shell (Fig. 17A–C, Pl. 1.8–9). Broadly conical to almost flat with low to medium spire. Thin to solid, translucent. Periphery rounded. Umbilicus concealed by columellar reflection to 50–100 percent, forming a chink or narrowly winding opening. Background colour brownish horn, ventrally lighter; with diffuse to well marked, thin, yellowish brown sub-sutural and mid-whorl bands that are most conspicuous on last whorl; outer lip colour same as shell; inner lip translucent, whitish. Protoconch c. 2.2 mm in diameter with 1.5 whorls, sculptured by strong axial elements. Teleoconch with coarse axial lirae; curved when viewed from above; rounded in cross-section with irregular spacing; spaces equal to thickness of lirae; distributed evenly across shell and across whorl diameter, reduced underneath suture. Angle of aperture 30°; outer lip rounded, sharp to moderately thick, slightly expanded, not or slightly reflected; basal node absent or weak; palatal node absent. Parietal wall of inner lip inconspicuous. Pallial morphology. Pallial cavity short, extending half whorl. Mantle pigmentation consists of blackish spots. Kidney extending more than half of pallial cavity. Genital morphology ...