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APPENDIX 19 in Shallow-water Rissoidae of the genera Alvania Risso 1826 Haurakia Iredale 1915 Parashiela Laseron 1956 Simulamerelina Ponder 1985 and Subestea Cotton 1944 Gastropoda Caenogastropoda Rissooidea from French Polynesia with the description of a new deep-water genus

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APPENDIX 19. — Measurements of teleoconch and protoconch of Simulamerelina lepteseiras n. sp. in mm. 1, holotype, Tuamotu, Moruroa. Teleoconch1Height1.47Width0.88Height/Width ratio1.67Aperture height0.65Height/aperture height ratio2.26No. whorls2.9No. axial ribs on last whorls12No. spiral cords on last whorls (above aperture)9 (4)Protoconch1Height0.237Diameter of nucleus0.087Diameter of first half whorl0.175Maximun diameter0.275No. whorls1.35Paucispiralyes
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2025-04-05
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