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BELLEPHONTACEA [1 record]

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Record 1 1977-07-05

English

Subject field(s)
  • Paleontology
OBS

[Gastropods of the] Superfamily Bellephontacea (...) [have shells that are] most commonly isotropic, rarely slightly asymmetrical; mostly closely coiled, but in some genera cyrtiform; (...) invariably with median emargination or tremata; (...) [the] shell wall [is] of variable thickness, [there is] no evidence of nacre; [an] operculum [is] unknown; (...) "U.Cam.-L.Trias."

French

Domaine(s)
  • Paléontologie
OBS

[Les Gastéropodes de la] super-famille des Bellephontacea (...) [ont une] coquille symétrique à enroulement rapide. Un ombilic généralement petit. (...)

Spanish

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