Les algues vertes (phylum Viridiplantae), sont-elles vieilles de deux milliards d'années ?
Bernard TEYSSÈDRE est professeur émérite, ancien directeur d'une unité CNRS/Université de Paris en Sciences Humaines et Sociales. Il a dirigé une école doctorale en Arts et Sciences de l'Art et l'Institut d'Esthétique des Arts contemporains.
Teyssèdre Bernard
doaj
Paleomagnetic Study of Mesozoic Continental Sediments Along the Northern Tien Shan (China) and Heterogeneous Strain in Central Asia [PDF]
A paleomagnetic study of rocks from the northern foot of the Tien Shan and the southern border of the Dzungar Basin, east of Urumqi (44.2°N, 86.0°E), spanning ages from middle Jurassic to early Tertiary was carried out to constrain the tectonic evolution
Achache +57 more
core +3 more sources
Abstract The Late Cretaceous witnessed numerous transgression–regression sequences and the onset of a global cooling phase at the start of the Campanian. In the European archipelago, these environmental changes, combined with active plate tectonics, facilitated the formation of ephemeral land bridges that served as dispersal routes for a variety of ...
Olivier Jansen +5 more
wiley +1 more source
Abstract We describe the Hettangian Caenogastropoda and Heterobranchia of the Luxembourg Sandstone Formation, a wedge of clastic sediments deposited along the eastern margin of Paris Basin during the Early Jurassic. Five new genera and 11 new species are erected: Bourguetia bipartita sp. nov., Globularia delsatei sp. nov., Oonia feidtorum sp.
Stefano Monari +3 more
wiley +1 more source
Plesippus francescana (Frick) from the late Pliocene, Coso Mountains, California, with a review of the genus Plesippus [PDF]
Two mammalian types, occurring in a late Pliocene fauna from the Coso Mountains, California, have already been described. Among the more abundant forms in this assemblage are the horses of the genus Plesippus.
Schultz, John R.
core
Climats et origines des grands singes et des hommes
Nous partageons avec les grands singes plus de 20 millions d'années de notre histoire qui s'est déroulée sur les trois continents de l’Ancien Monde (Afrique, Asie et Europe).
Brigitte Senut
doaj +1 more source
Eghinides (Clypeaster, Scutella, Schizaster) De L'Helvetien Du Bassin De Karaman (Turquie)
— Le materiel etudie ici m'a ete aimablement communique par Mme L. Erünal-Erentöz, une petite partie durant son sejour â Paris, au Laboratoire de Paleontologie dıı Museum (1952), le reste durant mon sejour a Ankara, a I'lustitut M. T. A. (1955).
Jean ROMAN
doaj
Paleontologie stratigraphique du calcaire dinantien du Tournaisis (Belgique)
Abstract Discusses and tabulates the sequence of faunal zones in the Dinantian (Carboniferous) limestone formation of the Tournai region, Belgium.
openaire +1 more source
The new and reinstated genera of agglutinated foraminifera published between 1986 and 1996 [PDF]
In the 10 years following the publication of "Foraminiferal Genera and their Classification" by Loeblich & Tappan (1987), some 91 new genera of agglutinated foraminifera have been proposed by various authors.
Kaminski, M.A.
core
Palynomorphs from abra límite, zenta range, Eastern Cordillera, Northwestern Argentina [PDF]
This study presents the first Devonian palynological record in the Zenta Range in Eastern Cordillera, Argentina. Two associations were recognized on the basis of differences in palynomorphs and palynofacies.
Di Pasquo Lartigue, Maria +1 more
core +1 more source

