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

    Basiliola arnaudi  Cooper, 1981

    Type locality: Samper Bank (36°48.9'S, 52°07.7'E, 380 m)
    Depth range: 250 - 620 m


    Diagnose in preparation - (Cooper, 1981)

    Cooper G. A., 1981. Brachiopoda from the Southern Indian Ocean (Recent). Smiths. Contr. Paleobiol., 43, 1-93,14 pl.