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HALIOTIDAE [1 record]

Record 1 1977-07-05

English

Subject field(s)
  • Paleontology
OBS

[Gastropods of the] family Haliotidae (...) [have the following characteristics: the] shell [is] auriform, depressed, with [the] spire more or less strongly excentric and protruding only slightly or not at all; [the] aperture [is] broad, occupying most of [the] underside;to [the] left of [the] aperture a broad, smooth labial area, beyond which [a] narrow base of [the] shell is just exposed in some species; [the] shell wall (...) [has a] spiral row of small tremata, commonly on tubular projections, which become infilled progressively during growth, the last few (5 to 9) remaining open and serving as exhalant outlets; [the] interior [is] nacreous; [there is] no operculum. "?Cret., Mio.-Rec."

French

Domaine(s)
  • Paléontologie
OBS

[La] Famille des Haliotidae [est une] famille de Gastéropodes dibranchiés à coquille auriforme, nacrée. La bandelette sinusaire est constituée par un alignement de perforations au bord de l'ouverture. (...) Crétacé supérieur - Époque actuelle (...)

Spanish

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