Ecnomiosa Sous-embranchement (subphylum) des Rhynchonelliformea Classe des Rhynchonellata Ordre des Terebratulida Sous-Ordre des Terebratellidina Super-famille des Megathyridoidea

Genus Ecnomiosa Cooper, 1977

[Type species= Ecnomiosa gerda Cooper, 1977 (p. 131)]

Small, subcircular, smooth, gently biconvex, anterior commissure rectimarginate; beak ridges slightly tuberculate; foramen large, hypothyrid, deltidial plates very narrow, disjunct, pedicle collar short; hinge teeth with small recessive dental plates. No cardinal process; high inner socket ridges with long crura that are anteromedially convergent; septal pillar platelike at its base with high, narrow distal extremity (axial loop phase), descending branches absent. Lophophore zygolophous and heavily spiculate.

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

Extant Species of Ecnomiosa

P. gerda Cooper, 1977 P. inexpectata Cooper, 1981

Diagnosis Diagnosis

FIGURES : Ecnomiosa      Geographic distribution