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EPOQUE CRETACE [4 records]

Record 1 2011-01-06

English

Subject field(s)
  • Chronology
  • Geology
CONT

The Maastrichtian is the last stage of the Cretaceous period, and therefore of the Mesozoic era. It spanned from 70.6 [more or less]0.6 Ma to 65.5 [more or less]0.3 Ma (million years ago).

OBS

The Maastrichtian is named after the Dutch city Maastricht, where many fossils from the period - most notably those of the monosaur - were discovered.

OBS

Maastrichtian: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Chronologie
  • Géologie
CONT

Le Maastrichtien est la dernière époque stratigraphique du Crétacé, entre-70, 6 et-65, 5 millions d’années.

OBS

Maastrichtien : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 2006-05-12

English

Subject field(s)
  • Geology
  • Chronology
DEF

The final period of the Mesozoic era ..., thought to have covered the span of time between 135 and 65 million years ago ...

OBS

Cretaceous is the name given to a period of time in Earth's history ... Also, all the rocks that formed during that time have the same proper name of Cretaceous (i.e. they are referred to as the Cretaceous System).

French

Domaine(s)
  • Géologie
  • Chronologie
DEF

Troisième et dernière période de l’ère secondaire, divisée généralement en Crétacé inférieur et Crétacé supérieur.

CONT

Époque du Crétacé : les minéralisations de cette époque présentent un grand développement dans toute la partie occidentale de l'Amérique du Nord.

Spanish

Campo(s) temático(s)
  • Geología
  • Cronología
DEF

Último período de la era Secundaria, de 75 millones de años de duración.

OBS

Aproximadamente, comprende un período entre los 135 y los 65 millones de años antes de los tiempos actuales.

Save record 2

Record 3 1978-01-26

English

Subject field(s)
  • Paleontology
OBS

All known birds except the extinct "Archaeopteryx". They all have a shortened tail with the last few vertebrae fused to form a pygostyle and all except the fossil group "Odontolcae" are toothless.

French

Domaine(s)
  • Paléontologie
OBS

(...) la découverte de deux spécimens de la période jurassique oblige à introduire, dans l'ensemble des Oiseaux, deux grandes divisions :(...) 2) les Néornithes Gadow 1891 que l'on connaît du Crétacé à l'époque actuelle, et qui répondent, avec quelques variantes, aux caractéristiques générales que nous avons données du type avien.

Spanish

Save record 3

Record 4 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

Save record 4

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