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

HYOLITHID [1 record]

Record 1 1977-10-11

English

Subject field(s)
  • Paleontology
DEF

An invertebrate animal characterized by bilateral symmetry, a closed tapering shell, triangular in cross-section, with a conical embryonic chamber not separated from the rest of the shell, and with an operculum possessing two pairs of bilaterally symmetrical muscle scars.

French

Domaine(s)
  • Paléontologie
CONT

Les Hyolithes se rangent parmi les organismes énigmatiques du Paléozoïque. Ils sont connus par une coquille en cornet qui présente un côté plat (...) aussi la section était-elle subelliptique (...). L'ensemble (...) était formé par un opercule.

Spanish

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