TERMIUM Plus®

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FASCICULAR COLUMELLA [1 record]

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Record 1 1977-06-06

English

Subject field(s)
  • Paleontology
OBS

A fascicular columella appears as a group of twisted vertical ribbons or rods similar to pali and paliform lobes in origin, that is, composed of remnant inner portions of exosepta or offsets from the first 1 or 2 cycles.

French

Domaine(s)
  • Paléontologie
OBS

La columelle essentielle est formée de l'ensemble des parties axiales des exoseptes qui, sur une plus ou moins grande hauteur, ont été séparées de ces derniers à la suite de la substitution d'endoseptes aux exoseptes primitifs (...) Une columelle essentielle a l'aspect d'un faisceau constitué, soit de rubans verticaux tordus, soit de baguettes, soudées plus ou moins intimement en une masse cylindrique subcompacte (...)

Spanish

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