|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Orthida - Platystrophiidae
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.
|M. A. Zuykov and D. A. T. Harper 2007||Large platystrophiid genus, with costae in ventral sulcus of triplicate type; cardinalia characterized by septalium; fulcral plates present; anterior and posterior pairs of adductor closely spaced in the central part of the valve, bisected by median septum; muscle impressions of anterior adductor scars smooth, whereas posterior adductor scars with thin and low creases of secondary shell|