APPENDIX 16 A 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 16A. — Measurements of teleoconch and protoconch of Simulamerelina australes n. sp. in mm: 1, holotype,Australes,Rapa Cave SE of Tematapu Point Stn 34, 2-8 m; 2-11, paratypes, Australes, Rapa Cave SE of Tematapu Point Stn 34, 2-8 m.
Teleoconch1234567891011Height2.472.132.432.472.502.172.572.172.602.322.43Width1.121.001.101.121.131.031.131.001.151.121.12Height/Width ratio2.202.132.212.212.212.112.272.172.262.072.17Aperture height0.830.730.870.880.900.780.870.770.930.850.87Height/aperture height ratio2.982.922.792.812.782.782.952.892.802.732.79No. whorls4.504.004.504.504.604.004.604.104.704.154.25No. axial ribs on last whorls1517151614151315151516No. spiral cords on last whorls7(3)7(3)7(3)7(3)7(3)7(3)7(3)7(3)7(3)7(3)7(3)(above aperture)Protoconch1234567891011Height0.3000.3000.3000.3000.3000.3170.2830.3000.3000.3170.310Diameter of nucleus0.1000.0670.0670.1000.067??0.1000.0670.0670.067Diameter of first half whorl0.2250.2000.2000.2170.2000.2070.2000.2170.2000.2000.193Maximun diameter0.3050.3330.3330.3330.3330.3330.3270.3270.3170.3330.307No. whorls1.251.251.251.251.251.251.301.251.401.251.30Paucispiralyesyesyesyesyesyesyesyesyesyesyes
创建时间:
2025-04-05



