|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Myalinida - Inoceramidae
It was reranked as Inoceramus (Sphenoceramus) by Kennedy et al. (1973) and Scott et al. (1986).
It was assigned to Inoceramidae by Vokes (1980); to Inoceramus by Kennedy et al. (1973) and Scott et al. (1986); and to Pterioida by Sepkoski (2002).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.