TABLE 3 in Diversification in ancient Lake Biwa: integrative taxonomy reveals overlooked species diversity of the Japanese freshwater snail genus Semisulcospira (Mollusca: Semisulcospiridae)

TABLE 3 Results of the Random Forest analyses conducted for five Semisulcospira species with contributions of each character and mean Gini coefficients to each species CharactersS. niponicaS. fuscataS. watanabei S. nakanoiS. salebrosaMean Ginisp. nov.sp. nov.sp. nov.coefficientFemaleAperture swell legth0.33360.11290.02910.33360.471638.9714(ASL)Aperture slenderness0.02860.0832-0.01380.02860.001110.5154ratio (ASR)Basal cord number0.02800.02970.00990.02800.01415.4140(BCN)Body whorl length0.03210.04670.06630.03210.297822.9041(BWL)Longitudinal rib num- 0.01130.00520.01650.01130.03508.8127ber of penultimatewhorl (RN)Spire angle (SA)0.08610.03620.08310.08610.023916.3837Spiral cord number0.01400.07160.01710.01400.04127.9527of penultimate whorl(SCN)Whorl elongation0.00050.00400.01740.00050.00617.9218ratio (WER)Whorl number (WN)0.01150.01890.01060.01150.00015.6933Sculpture type0.09230.21300.11210.09230.068620.4833Number of embryos0.01770.06030.02910.01770.006310.1515(EN)Shell height of the-0.00270.08990.0049-0.00270.000312.9411largest embryo (SHE)MaleAperture swell legth0.15030.09480.08100.25630.344219.4303(ASL)Aperture slenderness0.00380.02230.17140.0555-0.01787.1020ratio (ASR)Basal cord number0.00350.0289-0.00260.00380.01761.7985(BCN)Body whorl length0.00410.0270-0.00510.00470.01544.4192(BWL)Longitudinal rib num- 0.0202-0.01050.05120.07020.03435.4080ber of penultimatewhorl (RN)Spire angle (SA)0.04470.18790.0154-0.0118-0.02007.1994Spiral cord number-0.00090.10920.0231-0.00440.01563.0544of penultimate whorl(SCN)