Magasella Sous-embranchement (subphylum) des Rhynchonelliformea Classe des Rhynchonellata Ordre des Terebratulida Sous-Ordre des Terebratellidina Super-famille des Terebratelloidea

Genus Magasella Dall, 1870

[Type species = Terebratula sanguinea Leach, 1814, p. 75.]

Medium to large, subpentagonal to oval, unisulcate, valve exterior strongly to weakly costate to smooth, fine concentric growth rings, beak erect to suberect, attrite, foramen medium to large, submesothyrid to mesothyrid, deltidial plates commonly conjunct. Cardinalia weakly to moderately thickened, cardinal process canoe-shaped with fine ridges, hinge plates excavate, moderately to steeply inclined, meeting on low, thin median septum to form septalium, adult loop trabecular, lophophore plectolophous.

Present Diagnosis from Robinson et al. (2016)

Extant Species of Magasella

M. sanguinea (Leach, 1814) M. haurakiensis (Allan, 1831)

Diagnosis Diagnosis