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

Genus Fosteria Zezina, 1980

[Type species= Magellania (?) spinosa Foster, 1974 (p. 142)]

Small, smooth, rectimarginate to unisulcate, foramen large, submesothyrid; beak suberect, attrite; deltidial plates very narrow, disjunct. Cardinalia lamellar, lacking clearly defined cardinal process; inner hinge plates broad, steeply inclined, uniting with low posterior trail of median septum to form septalium; septal pillar high, spinose anteriorly; loop annular, descending branches with several curved spines.

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

Extant Species of Fosteria

F. spinosa (Foster, 1974)

Diagnosis