TERMIUM Plus®

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

GROOVE SHELL [3 records]

Record 1 2007-04-27

English

Subject field(s)
  • Mollusks, Echinoderms and Prochordates
  • Paleontology
DEF

Spiral band of crescentic growth lines, associated with marginal slit or foramen in certain univalves (Pleurotomariine, Bellerophontid, etc.).

CONT

Gastropods are radulate organisms with a torted body(e. g., the body is rotated 180° so that the anus is above the head. Gastropods typically have a helical coiled univalved shell whose opening(aperture) may be closed by an operculum. Another feature which is useful in discriminating among groups is the structure called the selenizone which can be expressed as either a series of holes as in Haliotis, or as a groove along the periphery which is often seen as a sharp bend in the growth lines of the shell.

French

Domaine(s)
  • Mollusques, échinodermes et procordés
  • Paléontologie
CONT

Emarginula (s.s.) horrida n. sp. [...] Emarginula ciplyensis Meyer, 1987. Étymologie : Du latin, hérissée. Allusion aux forts tubercules épineux des deux côtes bordant la sélénizone.

Spanish

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Record 2 1982-11-16

English

Subject field(s)
  • Copper and Copper Alloys (Metallurgy)
OBS

The process of forming a lip or groove around the body of a shell by means of suitably shaped interior and exterior rolls.

French

Domaine(s)
  • Cuivre et alliages du cuivre (Métallurgie)
OBS

Procédé pour former un bourrelet ou un sillon autour du corps d'un noyau au moyen de rouleaux intérieurs et extérieurs de forme appropriée.

Spanish

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Record 3 1977-06-18

English

Subject field(s)
  • Paleontology
OBS

Lingulacea [is a superfamily of inarticulate brachiopods, with individuals having] shell phosphatic(...), usually with some layers of organic material; valves subequal, pedicle valve in many forms slightly larger, bearing [a] pedicle groove commonly separating orthocline, striated propareas(...) ;posterior margin of [the] brachial valve may be merely thickened or [may] possess pseudointerarea extending [a] variable distance anteriorly as [a] concave apical plate. L. Cam.-Rec.

French

Domaine(s)
  • Paléontologie
OBS

Lingulacea [est une super-famille de Brachiopodes inarticulés, dont les membres ont une] coquille mince, cornée, [avec un] contour allongé, [et un] pédoncule long, flexible. [Ils] vivent enfoncés dans le substratum Ordovicien-Actuel.

Spanish

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