TERMIUM Plus®

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

HETEROSTELLE [1 record]

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Record 1 2000-10-04

English

Subject field(s)
  • Paleontology

French

Domaine(s)
  • Paléontologie
CONT

Les Héterostellés [...] constituent un groupe fort singulier et passablement hétérogène; prospère au Cambrien et au Silurien, il s'est éteint au cours du Dévonien sans laisser de descendance; [...] La thèque est aplatie suivant un plan passant par la bouche, l'anus et l'insertion d'une tige; de plus, thèque et tige ont tendance à présenter une symétrie bilatérale par rapport à un plan perpendiculaire au premier [...], passant par le centre de figure des faces; [...]

Key term(s)
  • Hétérostellé

Spanish

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