†Endocostea Whitfield 1877 (clam)
Bivalvia - Myalinida - Inoceramidae
Alternative spelling: Inoceramus (Endocostea)
Parent taxon: Inoceramidae according to H. E. Vokes 1980
Sister taxa: Actinoceramus, Anopaea, Arctomytiloides, Cataceramus, Cladoceramus, Coloniceraminae, Cordiceramus, Cremnoceramus, Inoceraminae, Inoceramus, Magadiceramus, Mytiloides, Neocomiceramus, Neoinoceramus, Parainoceramus, Platyceramus, Pseudomytiloides, Retroceramus, Sachalinoceraminae, Spyridoceramus, Tethyoceramus, Trochoceramus, Volviceramus
Subtaxa: Inoceramus (Endocostea) balticus, Inoceramus (Endocostea) mulleri
Ecology: facultatively mobile infaunal suspension feeder