TERMIUM Plus®

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

TRIFID [6 records]

Record 1 2017-04-26

English

Subject field(s)
  • Paleontology
CONT

[In a trilobite, the eye ridge is a] Raised band extending from [the] anterior end of [an] eye to or just back of [the] anterolateral angles of [the] glabella, usually simple, but may be bifid... or trifid...

French

Domaine(s)
  • Paléontologie
OBS

La joue fixe [d'un Trilobite] est fréquemment traversée, au moins chez les formes primitives, par une saillie linéaire transversale ou oblique vers l'arrière, la «crête oculaire» (ligne oculaire), reliant l'œil à l'angle antéro-latéral de la glabelle.

Spanish

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Record 2 1977-07-22

English

Subject field(s)
  • Paleontology
OBS

[Ammonites of the superfamily phyllocerataceae have a thin test. The] ornament [is] typically confined to [a] fine lineation or liration with some foldlike ribs, with or without constrictions. [The] suture typically has several auxiliary elements, with lobes trifid and saddles normally diphyllic or tetraphyllic. Aptychi, if any [are] unknown(...) "L. Trias.-Cret"(...)

French

Domaine(s)
  • Paléontologie
OBS

[Les Ammonites de la] super-famille des phyllocerataceae (...) existèrent du Eotrias-Maestrichtien.

Spanish

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Record 3 1977-07-19

English

Subject field(s)
  • Paleontology
OBS

[Ammonoids of the family Anisoceratidae are] loosely coiled, irregularly helical at first, later part typically in one plane, some with [a] straight final shaft. There is normally a pair of ventral tubercles on some ribs at least and commonly lateral tubercles as well. [The] suture [is] lytoceratord except that in some genera trifid lobes may occur.(...) "L. Cret.(L. Alb.)-U. Cret.(U. Turon.) ".

French

Domaine(s)
  • Paléontologie
OBS

[Les Ammonites de la famille des Anisoceratidae ont une] spirale initiale suivie de hampe et crosse, dans des plans différents. [Ils ont des] côtes majeures géminées sous quatre tubercules, [et des] côtes intercalaires simples.

Spanish

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Record 4 1977-07-19

English

Subject field(s)
  • Paleontology
OBS

[Ammonites of the family ancyloceratidae are] typically regularly coiled with the whorls not in contact but some forms have early or all whorls in contact, whereas others have straight or hooked body chambers; [the] whorl section [ranges] from circular to square; ribs [are] weak to strong, showing [a] tendency to have stronger periodic ribs with umbilical, lateral and ventrolateral spines. [The] ornament [is] rarely constant through growth. Sutures [are] ornate, of [the] lytoceratid plan, without auxiliaries but with trifid lobes(...) "?L. Cret.(Valang.), L. Cret.(L. Hauteriv.-U. Apt.), ?L. Cret.(L. Alb.) ".

French

Domaine(s)
  • Paléontologie
OBS

[Les Ammonites de la famille des ancyloceratidae ont des] tours arrondis ou ovales toujours enroulés dans un plan en une spire, souvent disjointe, pouvant ou non se terminer par une hampe recourbée. [Les] côtes [sont] arrondies, épaisses, serrées, non divisées, pouvant être, successivement ou exclusivement, dépourvues de tubercules ou bien agrémentées périodiquement de trois rangées de gros tubercules épineux. Sur la loge d'habitation se développent des côtes, largement espacées, singulières, irrégulières, tuberculées sur certaines espèces.

Spanish

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Record 5 1977-07-19

English

Subject field(s)
  • Paleontology
OBS

[Ammonoids of the family Shumarditidae have a conch that is] subglobular to globular, with [a] moderately small to large umbilicus and generally advanced goniatitic sutures in which external and internal lateral lobes and [a] dorsal lobe are trifid(...) "U. Perm.(U. Carb.) "

French

Domaine(s)
  • Paléontologie
OBS

[Les Céphalopodes de la famille Shumarditidae sont des] Goniatites à tours évolutes, [et à] ombilic large. "Suture": le premier lobe latéral est subdivisé en trois lobes secondaires qui s'individualisent de plus en plus, et dans les formes les plus évoluées se subdivisent eux-mêmes s'orientant par cette voie vers les sutures cératitiformes commune au Permien.

Spanish

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Record 6 1977-07-18

English

Subject field(s)
  • Paleontology
OBS

[Cephalopods of the family Pronoritidae have a conch that is] discoidal with no prominent sculpture. [They have] sutures with [a] trifid ventral lobe, [a] large bifid 1st lateral lobe and [a] characteristically unmodified 1st lateral saddle(...). "L. Carb(U. Miss.)-M. Perm".

French

Domaine(s)
  • Paléontologie
OBS

[Les céphalopodes de la famille des pronoritidae ont une] coquille involute, [un] ombilic large, [des] flancs aplatis, [le] côté externe à bords anguleux. [Ils ont une] suture à lobe ventral triaenidien, [à] lobes latéraux multiples, dont le premier est bilobé (...) ou trilobé (...)

Spanish

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