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HYDROCAULUS [1 record]

Record 1 2002-02-26

English

Subject field(s)
  • Paleontology
DEF

The hollow stem of a hydroid, either simple or branched.

CONT

... the term "hydrocaulus"... refers to the stalk of the [hydrozoan] polyp.

OBS

Plural: hydrocauli.

French

Domaine(s)
  • Paléontologie
DEF

Ensemble des tiges dressées d'une colonie d'hydroïdes.

CONT

[...] l'hydranthe [d'un Hydraire] est porté par un pédoncule plus ou moins long qui se prolonge le plus souvent par une tige, «l'hydrocaule» [...]

CONT

Chez les [Graptolites] axonophores, la virgula se prolonge hors de la région des thèques par une tigelle nue, fine et souvent longue, appelée «hydrocaule».

Spanish

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