Basiliola Sous-embranchement (subphylum) des Rhynchonelliformea   Classe des Rhynchonellata  Ordre des Rhynchonellida  Super-famille des Pugnacoidea  Super-famille des Dimerelloidea  Super-famille des Norelloidea  Super-famille des Hemithiridoidea

Genus Basiliola Dall, 1908

[Type species= Hemithyris beecheri Dall, 1895]

Smooth, elongatepentagonal to rounded-subpentagonal; widest at about midvalve; dorsibiconvex, dorsal valve acutely convex, ventral valve moderately convex; uniplicate, dorsal fold almost imperceptible; ventral sulcus broad, shallow, arcuate; beak small, suberect; foramen small, circular, submesothyrid; deltidial plates small, conjunct, auriculate. Crura often distally serrate, bases not thickened; pedicle collar strong, elaborate.

Upper Cretaceous - Present Diagnosis from volume 4 of the Treatise on Invertebrate Paleontology (2002)

Extant Species of Basiliola

B. beecheri (Dall, 1895) B. lucida (Gould, 1862) B. pompholyx Dall, 1921 B. elongata Cooper, 1959 B. arnaudi Cooper, 1981

Diagnosis