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Oceanithyris

Sous-embranchement (subphylum) des Rhynchonelliformea  
Classe des Rhynchonellata 
Ordre des Terebratulida 

Sous-ordre des Terebratulidina 
Super-famille des Terebratuloidae 
Super-famille des Dyscolioidae 
Super-famille des Cancellothyroidea 


Genus Oceanithyris Bitner et Zezina, 2013 in Bitner et al. (2013)
 
[Type species= Oceanithyris juveniformis Bitner & Zezina, 2013 in Bitner et al. (2013), p. 283]

Small terebratulide, biconvex, shell surface with numerous wrinkled growth lines; foramen large, deltidial plates minute, triangular, disjunct, pedicle collar absent; teeth hooked, without dental plates; inner socket ridges high and anteriorly divergent; no cardinal process; lophophore trocholophous, with no brachial skeleton.

Present

Diagnosis from Bitner et al. (2013)

Extant Species of Oceanithyris
  • O. juveniformis Bitner et Zezina, 2013 in Bitner et al. (2013)
    		•  Diagnosis


    Oceanithyris juveniformis   Bitneret Zezina, 2013
    in Bitner et al. (2013)

    Type locality: Clarion-Clipperton Zone, NE Pacific, st. 41 (13°27'N 134°45'W), depth 4790 m.
    Depth range: 4580 - 4850 m

    Diagnose


    Small terebratulide, biconvex, shell surface with numerous wrinkled growth lines; foramen large, deltidial plates minute, triangular, disjunct, pedicle collar absent; teeth hooked, without dental plates; inner socket ridges high and anteriorly divergent; no cardinal process; lophophore trocholophous, with no brachial skeleton.

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