|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Poromyida - Poromyidae
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.
|F. E. Eames 1951||Size moderate, distinctly larger than members of the Cuspidariidae, subequivalve, posteriorly rostrate, ornamented with strong concentric folds, very thin-shelled, probably internally nacreous (judging &om a well-preserved specimen from Sind).|