 By extension, "Stagnicola" should not be used to name species in clade C1a since the type species belongs to clade C2.Meier-Brook & Bargues (2002) suggested including "Stagnicola emarginata", "Stagnicola elodes", "Stagnicola catascopium" and "Lymnaea occulta" within a new genus "Catascopia", while "Stagnicla caperata" would belong to the genus "Hinkleyia" Baker, 1928.The phylogeny by Correa et al.