|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Strophomenata - Strophomenida - Strophonellidae
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.
|A. Williams 1951||Eostrophonellas with long divergent dental plates, slender plate-like cardinal process lobes and a subcircular ventral muscle scar with a narrow adductor scar divided by a faint median ridge.|