|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Orthida - Dalmanellidae
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.
|B. G. Baarli 1988||Transversely elliptical, planoconvex to concavoconvex with fine ribbing of elegantuloid type. Ventral beak overhanging straight hinge line. Ventral muscle field well impressed and pentagonal with vascula media divergent. Teeth strong with deep cruralfossetts. Anacline interarea and shallow, broad sulcus in brachial valve. Brachiophore processes strong, tusk-like, and with relatively small sockets for the genus. Muscle scars well impressed with posterior adductor scars larger than anterior|