|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Strophomenata - Strophomenida - Aegiromenidae
It was synonymized subjectively with Chonetoidea by Williams et al. (2000).
It was assigned to Strophomenida by Sepkoski (2002); and to Aegiromeninae by Candela (2011).
|Y. Candela 2011||Gently plano-convex shell; unequally parvicostellate ornament (rarely parvicostellate); fine canals always absent; ventral myophragm extending anterior to adductor scars; ventral muscle field with diductor scars joined to the myophragm (Fig. 2B); chilidium absent; praeculmen septules lacking; dorsal interior with distal row of septules constituting an inverted-T structure anterior to the median septum (Fig. 1B); few septules developed (three to four pairs) in the distal row.|