|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Strophomenata - Strophomenida - Strophomenidae
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.
|J. K. Pope 1982||Shells small; outline semicircular, widest at hingeline, slightly alate; convexity low. Posterior region of dorsal valve with a shallow short sulcus; posterior region of ventral valve with a low short fold. Pseudodeltidium arched, slightly carinate. Parvicostellae very fine, very uniform.|