DOI: 10.5281/zenodo.15156974
title: TABLE 8 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

description: TABLE 8. — Measurements of teleoconch and protoconch of Polynesian species of Simulamerelina Ponder, 1985 and Subestea Cotton, 1944, in mm, with minimum-maximum range and mean [standard deviation in square parentheses]; sample size in parentheses with the species name; M, protoconch multispiral; P, protoconch paucispiral.
Simulamerelina lepteseiras n. sp. (1) Simulamerelina australes n. sp. (21)Simulamerelina gracilis n. sp. (2)Simulamerelina densestriata n. sp. (10)Simulamerelina micrometrica n. sp. (11)Simulamerelina tuamotu n. sp (10)Subestea moruroa n. sp. (3)TeleoconchHeight1.472.13-2.672.13-2.452.27-2.751.23-1.631.28-1.651.42-1.962.452.292.541.431.451.66[0.183][0.226][0.149][0.137][0.145][0.162]Width0.881.00-1.180.98-1.081.05-1.280.68-0.850.76-0.950.82-1.021.111.031.190.770.860.90[0.056][0.071][0.068][0.060][0.075][0.064]Height/Width ratio1.672.01-2.362.17-2.272.03-2.171.76-1.931.56-1.771.73-2.002.192.222.131.841.681.84[0.0779][0.067175][0.0539][0.0526][0.0654][0.0925]Aperture height0.650.73-0.970.73-0.850.82-0.970.48-0.630.50-0.600.57-0.720.880.790.900.560.540.64[0.068][0.085][0.049][0.059][0.048][0.044]Height/aperture height ratio2.262.62 - 2.982.88-2.922.63-2.982.43-2.662.56-2.962.49-2.722.792.902.812.552.682.60[0.090][0.026][0.123][0.066][0.121][0.089]No. whorls2.94 - 4.84.20-4.703.90-4.502.75-3.252.60-3.252.75-3.504.44.454.23.043.023.04[0.25][0.353][0.19][0.179][0.236][0.262]No. axial ribs on last whorls1212 - 1711-1213-2013-248-139-1314.511.516.417.210.410.9[1.44][0.71][2.46][4.31][1.43][1.57]No. spiral cords on last whorls (above9 (4)7 - 87 (3)8-9 (3)7 (3)7- 8 (3)15-18 (8-9)aperture)7.77 (3)8.4 (3)7 (3)7.4 (3)15.8 (8.6)[0.48][0 (0)][0.52 (0)][0 (0)][0.52 (0)][1.30 (0.55)]ProtoconchHeight0.2370.283 - 0.3170.312-0.3250.300-0.3330.247-0.3000.283-0.3160.237-0.3250.3010.31850.3180.2740.3030.282[0.0087][0.0092][0.0122][0.0148][0.0103][0.0325]Diameter of nucleus0.0870.06 - 0.100.100-0.1120.107-0.1330.062-0.0930.067-0.0830.100-0.1450.080.1060.1160.0790.0770.120[0.016][0.008][0.0067][0.0109][0.0070][0.0140]Diameter of first half whorl0.1750.167 - 0.2250.200-0.2120.220-0.2500.167-0.2000.167-0.1930.200-0.2250.1990.2060.2360.1760.1780.216[0.0130][0.0085][0.0113][0.0122][0.0102][0.0080]Maximum diameter0.2750.300 - 0.3330.2750.317-0.3660.250-0.3000.250-0.2930.283-0.3620.3230.2750.3450.2800.2710.312[0.0121][0][0.0163][0.0142][0.0119][0.0268]No. whorls1.351.25 - 1.401.10-1.201.15-1.251.25-1.401.20-1.251.35-1.501.281.151.231.301.241.41[0.0373][0.0707][0.0354][0.057][0.021][0.067]TypePPPPPPP
description: Published as part of Amati, Bruno, Giulio, Andrea Di & Oliverio, Marco, 2023, 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, pp. 871 in Zoosystema 45 (25) on page 871, DOI: 10.5252/zoosystema2023v45a25, http://zenodo.org/record/10458066