TABLE 2 in Diversification in ancient Lake Biwa: integrative taxonomy reveals overlooked species diversity of the Japanese freshwater snail genus Semisulcospira (Mollusca: Semisulcospiridae)

TABLE 2 Morphometric characters of five Semisulcospira species examined in the present study. Measurements and counts: minimum–maximum value (mean ± SD) (cont.)
CharactersS. niponicaS. fuscataS. watanabeiS. nakanoiS. salebrosasp. nov.sp. nov.sp. nov.Longitudinal rib num-9–15 (12.5 ± 1.3)8–15 (10.8 ± 1.6)9–12 (11.0 ± 0.9)8–14 (10.9 ± 1.6)10–13 (11.7 ± 1.2)ber on body whorl ofthe largest embryonicshell (RNE)Shell height of the1.9–4.02.1–3.61.5–3.71.8–3.22.2–3.9largest embryonic(2.9 ± 0.5)(2.9 ± 0.4)(2.4 ± 0.4)(2.4 ± 0.4)(2.9 ± 0.4)shell (SHE)Shell width of the larg-1.6–2.71.7–2.61.4–2.71.7–2.62.0–3.0est embryonic(2.2 ± 0.3)(2.1 ± 0.2)(1.9 ± 0.3)(2.1 ± 0.2)(2.5 ± 0.3)shell (SWE)Whorl number of the2.25–3.752.50–4.002.25–3.502.25–3.252.50–3.75largest embryonic(3.2 ± 0.3)(3.1 ± 0.3)(2.9 ± 0.4)(2.8 ± 0.3)(2.9 ± 0.3)shell (WNE)MaleAperture height (AH)6.4–10.98.1–9.87.7–11.16.8–10.78.2–13.3(8.7 ± 0.8)(9.0 ± 0.8)(9.0 ± 0.8)(8.7 ± 1.1)(9.9 ± 1.7)Aperture length (AL)6.8–11.98.7–9.78.2–11.87.3–11.58.5–13.9(9.4 ± 0.9)(9.2 ± 0.4)(9.4 ± 0.9)(9.2 ± 1.1)(10.4 ± 1.8)Aperture swell legth0–0.190–0.090–0.120.16–0.350.20–0.75(ASL)(0.09 ± 0.04)(0.04 ± 0.05)(0.07 ± 0.04)(0.24 ± 0.06)(0.33 ± 0.14)Aperture slenderness1.36–1.911.63–1.881.68–1.831.47–1.671.41–1.79ratio (ASR)(1.7 ± 0.1)(1.8 ± 0.1)(1.8 ± 0.1)(1.6 ± 0.1)(1.6 ± 0.1)Aperture width (AW)4.1–7.35.0–5.94.5–6.64.7–6.95.2–9.9(5.7 ± 0.6)(5.2 ± 0.4)(5.3 ± 0.5)(5.8 ± 0.6)(6.5 ± 1.4)Basal cord number2–5 (3.2 ± 0.9)32–5 (2.9 ± 0.9)2–4 (2.3 ± 0.6)2–3 (2.3 ± 0.5)(BCN)Body whorl length10.6–17.713.6–16.113.2–18.512.0–18.113.9–22.4(BWL)(14.8 ± 1.3)(15.1 ± 1.2)(14.8 ± 1.3)(14.8 ± 1.7)(16.6 ± 2.8)Fourth whorl length2.0–3.82.5–3.92.6–3.81.8–3.82.0–4.6(FWL)(3.0 ± 0.4)(3.3 ± 0.6)(3.0 ± 0.3)(2.7 ± 0.5)(3.2 ± 0.9)Penultimate whorl3.8–7.25.0–6.14.7–6.74.4–6.55.1–8.3 (6.1 ± 1.1)length (PWL)(5.3 ± 0.5)(5.6 ± 0.5)(5.2 ± 0.5)(5.4 ± 0.6)Longitudinal rib9–18 (11.8 ± 1.9)9–14 (11.0 ± 2.0) 7–12 (10.1 ± 1.3)8–12 (9.4 ± 1.2)9–15 (10.6 ± 1.4)number of penultimatewhorl (RN)Spire angle (SA)18.2–29.714.3–18.413.3–22.816.7–27.716.7–33.3(22.7 ± 2.6)(16.9 ± 1.6)(20.5 ± 2.5)(21.4 ± 3.5)(21.5 ± 4.6)Spiral cord number3–5 (3.9 ± 0.8)5–6 (5.3 ± 0.6)4–5 (4.4 ± 0.5)3–4 (3.4 ± 0.5)3–4 (3.2 ± 0.4)of penultimate whorl(SCN)Shell height (SH)17.5–28.421.8–29.222.0–30.918.0–27.322.1–34.9(23.8 ± 2.1)(26.1 ± 3.3)(25.0 ± 2.2)(23.1 ± 3.0)(27.6 ± 4.9)