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ARETE LIGAMENTAIRE [1 record]

Record 1 1977-07-14

English

Subject field(s)
  • Paleontology
OBS

[It is a] narrow ridge or lamina formed by [the] projection of [the] outer layer of [the] shell wall into the body cavity of many [rudist bivalves] (particularly hippuritids and radiolitids), thought to have served for attachment of [the] ligament.

French

Domaine(s)
  • Paléontologie
OBS

Le test [d'un lamellibranche hippuritidé] comprend une couche interne [et] une couche externe beaucoup plus épaisse [qui] se prolonge à l'intérieur de la coquille sous forme de trois saillies ou replis qui sont marqués extérieurement par (...) trois sillons (...). Le repli le plus mince est l'"arête ligamentaire" - le ligament étant interne (...)

Spanish

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