†Spyridoceramus Cox 1969 (clam)
Bivalvia - Myalinida - Inoceramidae
Parent taxon: Inoceramidae according to H. E. Vokes 1980
Sister taxa: Actinoceramus, Anopaea, Arctomytiloides, Cataceramus, Cladoceramus, Coloniceraminae, Cordiceramus, Cremnoceramus, Endocostea, Inoceraminae, Inoceramus, Magadiceramus, Mytiloides, Neocomiceramus, Neoinoceramus, Parainoceramus, Platyceramus, Pseudomytiloides, Retroceramus, Sachalinoceraminae, Tethyoceramus, Trochoceramus, Volviceramus
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder