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Mostrando ítems 11-20 de 1728
Early Jurassic Caenogastropoda and Architectibranchia from the Neuquén Basin, Argentina
(Paleontological Society, 2017-01)
Early Jurassic marine gastropods are well represented in Argentina by three major taxa: Vetigastropoda, Caenogastropoda and Architectibranchia (=Opisthobranchia). The present paper aims at the description of six new ...
Ginkgoaleans woods from the jurassic of Argentina: taxonomic considerations and palaeogeographical distribution
(Elsevier Masson, 2011-12)
A specimen of Baieroxylon rocablanquense nov. sp. from the Roca Blanca Formation (Early Jurassic), and a specimen of Ginkgomyeloxylon tanzanii Giraud and Hankel from the La Matilde Formation (Middle Jurassic), both located ...
The Neuquen composite section: Magnetostratigraphy and biostratigraphy of the marine lower Jurassic from the Neuquen basin (Argentina)
(Elsevier Science, 2000-03)
Paleomagnetic and biostratigraphic data from five marine sedimentary sections in the Argentine Neuquen basin have allowed to construct the Lower Jurassic Neuquen Composite Section. This composite section comprises 14 ...
Fish faunas from the Late Jurassic (Tithonian) Vaca Muerta Formation of Argentina: One of the most important Jurassic marine ichthyofaunas of Gondwana
(Pergamon-Elsevier Science Ltd, 2015-07)
The marine deposits of the Vaca Muerta Formation (Tithonian-Berriasian) houses one of the most diverse Late Jurassic ichthyofaunas of Gondwana. However, most of the specimens remain undescribed. Jurassic fishes have been ...
Lower Jurassic to Early Paleogene Intraplate Contraction in Central Patagonia
(Springer International Publishing, 2018)
Breakup and dispersion stages of Gondwana were ruled by crustal extension. In Patagonia, this regime was associated with the opening of extensional basins from the Jurassic onwards, a process that was interrupted by the ...
New Early Jurassic gastropods from west-central Patagonia, Argentina
(Polish Academy of Sciences. Institute of Paleobiology, 2012-01)
A new gastropod fauna is reported from Chubut province of west−central Patagonia. Members of Trochoidea, Pseudo−melanoidea, Campaniloidea, and Nerinoidea are recorded from the Early Jurassic (Late Pliensbachian–Early ...
New theropod remains from the Late Jurassic Cañadón Calcáreo formation of Chubut, Argentina
(Elsevier, 2021-11)
Late Jurassic South American theropod faunas are still extremely poorly known, with large-sized ceratosaurids and megalosaurids having been identified on the basis of isolated teeth, whereas the only named taxa, Chilesaurus ...