APPENDIX 7 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 7. — Measurements of teleoconch and protoconch of Alvania uapou n. sp. in mm, with range, mean and standard deviation: 1, holotype, Marquesas, Ua Pou, Motu Mokohe Stn 20, 10-15 m; 2-5, paratypes, Marquesas, Ua Pou, Motu Mokohe Stn 20, 10-15 m; 6-10, Society, Mont Otaha, 788-836 m. Teleoconch12345678910Min–maxMeanStdHeight1.701.721.651.571.721.601.751.721.821.621.57-1.821.690.076Width0.900.870.850.900.920.970.900.900.950.900.85-0.970.910.035Height/Width ratio1.891.981.941.711.871.651.941.911.921.801.65-1.981.860.108Aperture height0.600.650.600.600.620.620.600.650.650.650.60-0.650.620.024Height/aperture height ratio 2.832.652.752.622.772.582.922.652.802.492.49-2.922.710.130No. whorls3.503.353.503.253.303.203.403.503.203.203.20-3.503.340.129No. axial ribs on last whorls141916172021?22212514-2519.43.36No. spiral cords on last9 (4)8(4)8(4)8(4)8(4)8(4)9(4)9(4)9(4)9(4)8-9(4)8.5 (4)0.53 (0)whorls (above aperture)Start I0.20.510.250.20.20.40.40.20.40.2-10.370.246Protoconch1234512345Min–maxMeanStdHeight0.2500.2370.2620.2370.2370.2750.2750.2750.2870.2820.237-0.2870.2620.019Diameter of nucleus0.1000.1000.1000.1000.1000.1200.1120.1200.1250.1250.100-0.1250.1100.011Diameter of first half whorl0.1750.1870.1870.1870.1870.2120.2000.2000.2120.2200.175-0.2200.1970.015Maximun diameter0.2870.3000.3000.3000.3120.3120.3000.3000.3250.3370.287-0.3370.3070.015No. whorls1.401.351.351.301.351.251.301.351.351.301.25-1.401.330.042Paucispiralyesyesyesyesyesyesyesyesyesyesyes––
附录7 — 新种Alvania uapou的成体螺层(teleoconch)与胚壳(protoconch)测量数据(单位:毫米),包含取值范围、平均值与标准差: 1号为正模标本(holotype),采集于马克萨斯群岛乌阿普岛莫图莫科赫20号站位,水深10-15米;2-5号为副模标本(paratypes),采集于马克萨斯群岛乌阿普岛莫图莫科赫20号站位,水深10-15米;6-10号标本采集于社会群岛蒙奥塔哈,水深788-836米。 成体螺层(teleoconch): 测量指标 1 2 3 4 5 6 7 8 9 10 取值范围 平均值 标准差 壳高 1.70 1.72 1.65 1.57 1.72 1.60 1.75 1.72 1.82 1.62 1.57-1.82 1.69 0.076 壳宽 0.90 0.87 0.85 0.90 0.92 0.97 0.90 0.90 0.95 0.90 0.85-0.97 0.91 0.035 高宽比 1.89 1.98 1.94 1.71 1.87 1.65 1.94 1.91 1.92 1.80 1.65-1.98 1.86 0.108 壳口(aperture)高 0.60 0.65 0.60 0.60 0.62 0.62 0.60 0.65 0.65 0.65 0.60-0.65 0.62 0.024 壳高/壳口高比 2.83 2.65 2.75 2.62 2.77 2.58 2.92 2.65 2.80 2.49 2.49-2.92 2.71 0.130 螺层数 3.50 3.35 3.50 3.25 3.30 3.20 3.40 3.50 3.20 3.20 3.20-3.50 3.34 0.129 最后螺层轴肋数 14 19 16 17 20 21? 22 21 25 - 14-25 19.4 3.36 壳口上方最后螺层螺旋肋数 9(4) 8(4) 8(4) 8(4) 8(4) 8(4) 9(4) 9(4) 9(4) 9(4) 8-9(4) 8.5(4) 0.53(0) 起始点I 0.2 0.5 1 0.25 0.2 0.2 0.4 0.4 0.2 0.4 0.2-1 0.37 0.246 胚壳(protoconch): 测量指标 1 2 3 4 5 6 7 8 9 10 取值范围 平均值 标准差 壳高 0.250 0.237 0.262 0.237 0.237 0.275 0.275 0.275 0.287 0.282 0.237-0.287 0.262 0.019 核直径 0.100 0.100 0.100 0.100 0.100 0.120 0.112 0.120 0.125 0.125 0.100-0.125 0.110 0.011 第一半螺层直径 0.175 0.187 0.187 0.187 0.187 0.212 0.200 0.200 0.212 0.220 0.175-0.220 0.197 0.015 最大直径 0.287 0.300 0.300 0.300 0.312 0.312 0.300 0.300 0.325 0.337 0.287-0.337 0.307 0.015 螺层数 1.40 1.35 1.35 1.30 1.35 1.25 1.30 1.35 1.35 1.30 1.25-1.40 1.33 0.042 少旋型 是 是 是 是 是 是 是 是 是 是 无例外 - -



