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TRIÆNE [1 record]

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Record 1 2010-11-26

English

Subject field(s)
  • Paleontology
DEF

Tetraxon with one ray different from three other similar rays.

CONT

The rudimentary and initial structure common to most ebridian taxa, is the triode (a flat tri-radial structure) or the triaene (a four-spoked, tetra-axial structure. These structures are interior elements of the ebridian skeleton and form a substructure from which other elements radiate.

OBS

tetraxon: A tetraxial sponge spicule.

Key term(s)
  • triæne

French

Domaine(s)
  • Paléontologie
DEF

Spicule siliceux initial tétraxone du squelette ébriédien.

CONT

[...] les Ébriédiens sont caractérisés par la possession d'un squelette silicieux interne de quelques dizaines de microns débutant par un spicule initial tétraxone (triaène) [...]

Spanish

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