|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).
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.
|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.|