Parent taxon: Tenebrionoidea according to J. F. Lawrence and A. F. Newton 1995
Sister taxa: Aderidae, Afreminae, Anthicidae, Archaeoripiphorus, Archeocrypticidae, Asiamordella, Boridae, Chalcodryidae, Ciidae, Elodophthalmidae, Eurygenius wickhami, Fushunicucujus, Glypta, Ischaliidae, Kulindrobor, Lagrioididae, Liaoximordellidae, Melandryidae, Meloidae, Mordellidae, Mycetophagidae, Mycteridae, Neopolypria, Oedemeridae, Perimylopidae, Prostomidae, Pterogeniidae, Pyrochroidae, Pythidae, Rhipiphoridae, Ripiphoridae, Salpingidae, Samlandotoma, Scraptiidae, Stenotrachelidae, Synchroidae, Tenebrionidae, Tetratomidae, Trachelostenidae, Trictenotomidae, Ulodidae, Zopheridae
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Cossyphodinae in the database