|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Strophomenata - Strophomenida - Glyptomenidae
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.
|L. E. Popov and L. R. M. Cocks 2014||Glyptomeninid with gently convex ventral valve, becoming more convex anteriorly, and geniculate dorsal valve. Type C cardinal process of Rong & Cocks (1994) . Bilobed ventral muscle field with strong musclebounding ridges except anteriorly. Short dorsal valve median septum confined to valve centre, vestigial to absent in some specimens. Dorsal diaphragm and side septa absent; weak subperipheral rim occasionally developed.|