Table 4. A in Taxonomic assessment of genetically-delineated species of radicine snails (Mollusca, Gastropoda, Lymnaeidae)

Table 4. A comparison of conchological, anatomical and caryological features of the genera and subgenera of the Old World radicines*. Genus (Subgenus)Shell heightShell shapeShell surfaceSpireSpermathecal ductMantle borderHaploid chromosome numberNumber of prostate foldsRacesinaUp to 25 mmOvoid to ovate-conicalSmoothHigh and relatively wideLong?Reflected?175-8MyxasGloboseFlattened, very lowReflected171Radix s. str.Up to 35 mmEar-shaped to ovate-conicalSculpturedLow and acuteNot reflectedExsertianaUp to 30 mmOvate-conicalAmpullaceanaUp to 25 mmEar-shaped to conicalLow to relatively high and obtuseShortPeregrianaUp to 25 mmOvate-conical to conicalMedium-sized and obtuseKamtschaticanaUp to 20 mmOvate-conical to almost globoseLow and obtuse?17TibetoradixUp to 15 mmOvate-conicalHigh to medium-sized, narrow and obtuseLong?17OrientogalbaOvate-conical to almost globoseHigh to low, obtuse16BullastraUp to 30 mmGloboseSmoothVery low, reduced, obtuseLongReflected *After Aksenova et al. (2018a), modified.