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

QUADRILOBATE [2 records]

Record 1 1977-07-04

English

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] family Zeilleriidae [have] valves [that are] normally ligate, strangulate, bilobate or quadrilobate, or both valves [are] convex, or [the] brachial valve [is] flat or concave; [the] anterior commissure plane [is] rarely uniplicate or sulcate; [the] valves [are] normally smooth; deltidial plates [are] conjunct or disjunct, [the] beak ridges [are] commonly angular and persistent, mesothyridid or permesothyridid. "Trias.-L. Cret. "

French

Domaine(s)
  • Paléontologie
OBS

Famille des Zeilleriidae (...)

Spanish

Save record 1

Record 2 1977-06-27

English

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] superfamily Productacea [are] generally attached by ringlike attachment spines in early growth stages, and rarely cemented by [an] umbo, living free in later growth stages and supported by halteroid spines, interareas, teeth and sockets [are] weakly developed in primitive forms only; [there is a] ginglymus in gerontic stages of some genera; [the] cardinal process [is] bilobate or trilobate, rarely quadrilobate; [there is a] diaphragm in [the] brachial valve and marginal ridges in one or both valves in some genera. "L. Dev.-U. Perm. "

French

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] super-famille des Productacea [sont des] formes aberrantes. [La] cavité de la coquille [est] en général grande; [il y a] habituellement des épines sur la charnière ou sur les valves, servant pour la fixation ou comme support, sinon pour la circulation d'eau.

Spanish

Save record 2

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