Bivalvia - Cardiidia - Sanguinolitidae
Synonym: Sphenotus Hall 1884
Full reference: F. M'Coy. 1844. A synposis of the characters of the Carboniferous limestone fossils of Ireland 1-274
Parent taxon: Sanguinolitinae according to N. J. Morris et al. 1991
Sister taxa: Cosmomya, Myofossa, Palaeocorbula, Pentagrammysia, Siphogrammysia
Subtaxa: Sanguinolites bisectus, Sanguinolites carbonaria, Sanguinolites drupa, Sanguinolites elongatus, Sanguinolites gracilis, Sanguinolites hekitoensis, Sanguinolites ishii, Sanguinolites kamiyassensis, Sanguinolites lukjanovae, Sanguinolites modiomorphoides, Sanguinolites naiadiformis, Sanguinolites obliquus, Sanguinolites olseni, Sanguinolites peruvianus, Sanguinolites shumardi, Sanguinolites simulans, Sanguinolites sphenoidalis, Sanguinolites unioniformis, Sanguinolites woolnoughi, Sphenotus aeolus, Sphenotus altidorsatus, Sphenotus branneri, Sphenotus cataractes, Sphenotus cherokeense, Sphenotus dubius, Sphenotus gibsonense, Sphenotus meslerianus, Sphenotus monroensis, Sphenotus oklahomense, Sphenotus pisinnus, Sphenotus quadriplicatum, Sphenotus tentoriolus, Sphenotus washingtonensis
Ecology: facultatively mobile deep infaunal suspension feeder