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HYDROSPIRE [1 record]

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Record 1 2004-05-12

English

Subject field(s)
  • Paleontology
DEF

[An] infolded thin-walled calcareous linear structure on either side of [the] ambulacrum, excavated in radial and deltoid plates, approximately parallel to [the] ambulacral margin [of a blastoid].

French

Domaine(s)
  • Paléontologie
CONT

Les blastoïdes constituent une classe éteinte d'échinodermes pelmatozoaires [...] caractérisés par une symétrie pentamère marquée et une structure respiratoire complexe, appelée «hydrospire».

CONT

[Chez un Blastoïde les zones ambulacraires ou pseudo-ambulacraires] portent [...] à leur base des tubes lamellaires (hydrospires).

Spanish

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