TERMIUM Plus®

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TORNOCERATIDAE [1 record]

Record 1 1977-07-18

English

Subject field(s)
  • Paleontology
OBS

[Cephalopods of the family tornoceratidae have a conch that is] subdiscoidal, growth lines [are] biconvex. Sutures form 6 to 10 lobes, the ventral one undivided and those on lateral areas originating as subdivisions of [the] external and internal lateral saddles (...) "M.Dev.-U.Dev.".

French

Domaine(s)
  • Paléontologie
OBS

[Dans la famille des Tornoceratidae] sont groupées (...) des goniatites à forme générale discoïde, aplatie, [au] contour externe arrondi, parfois muni d'une quille, [et à] ombilic réduit. [La] suture [est] faite sur les flancs d'éléments peu nombreux à grande courbure; [le] lobe externe [est] petit, aigu, indivis.

Spanish

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