The Government of Canada’s terminology and linguistic data bank.

OBOLELLIDAE [1 record]

Record 1 1977-06-21


Subject field(s)
  • Paleontology

[Inarticulate brachiopods belonging to the family Obolellidae have] Ornaments of concentric growth lines and fine radial striae. One pair of principal mantle canals ("vascula lateralia") in [the] pedicle valve diverge anterolaterally from in front of [the] beak, [the] posterior third of [the] valve [is] commonly thickened to produce [a] very low, solid platform. [The] Brachial valve [has] orthocline pseudointerarea, [a] low median ridge variably developed, two pairs of principal mantle canals, one pair, ("vascula lateralia") diverging anterolaterally from in front of [the] beak, [the] second pair, ("vascula media") arising near [the] center of [the] valve, diverging slightly anteriorly; (...) L. Cam-M.Cam.


  • Paléontologie

[La] Famille des Obolellidae (...) [Comprend des Brachiopodes inarticulés qui ont un] Orifice pédonculaire petit, en arrière du protegulum. Cambrien


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