Bouchardia Sous-embranchement (subphylum) des Rhynchonelliformea Classe des Rhynchonellata Ordre des Terebratulida Sous-Ordre des Terebratellidina Super-famille des Bouchardioidea

Genus Bouchardia Davidson, 1850, p. 62

[ = Pachyrhynchus King, 1850, p. 70] [Type species = Anomia rosea Mawe, 1823, p. 65]

Small to medium size, very thick shelled posteriorly; beak nearly straight, foramen permesothyrid; symphytium slightly concave. Ventral valve with low septal ridge. High inner socket ridges enclosing massive hinge platform with inverted, V-shaped, diductor muscle grooves; crura absent; paired brachidial lamellae curving posteroventrally from high septal pillar, but not uniting distally.

Upper Cretaceous - Present Diagnosis from volume 5 of the Treatise on Invertebrate Paleontology (2006)

Extant Species of Bouchardia

B. rosea (Mawe, 1823)

Diagnosis

FIGURES : Bouchardia      Geographic distribution