sentences:  The possibly paraphyletic Eccoptochilinae with 67 species in 13 genera are known between the Floian and upper Katian.The Heliomerinae are a small monophyletic group with 13 species in 2 genera.The Pilekiinae are the earliest subfamilily and therefore certainly paraphyletic, occurring in the upper Furongian and going extinct in the Darriwilian with 56 known species assigned to 19 genera.