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Mostrando ítems 21-30 de 164
Patellogastropoda and Vetigastropoda (Mollusca, Gastropoda) from the marine Jurassic of Patagonia, Argentina
(Taylor & Francis, 2014-07)
Gastropod faunas from the Early Jurassic (Late Pliensbachian–Early Toarcian) marine deposits of Chubut Province, Argentina, are described from Lomas Occidentales, Cerro La Trampa and Puesto Currumil localities, representing ...
Lower and middle cambrian rhynchonelliform brachiopods from the precordillera terrane of Argentina
(Paleontological Society, 2012-03)
The first Cambrian rhynchonelliformean brachiopods are described from the Precordillera mountain belt of west-central Argentina, including the new species Wimanella mollensis and Nisusia ancauchensis. Other forms are ...
Leaiid conchostracans from the uppermost Permian strata of the Parana Basin, Brazil: Chronostratigraphic and paleobiogeographic implications
(Pergamon-Elsevier B.V. Ltd, 2014)
First record of chimaeroid fish Ischyodus from the Upper Jurassic of southwestern Gondwana
(Inst Paleobiologii Pan, 2021)
This study presents two specimens of Chimaeriformes from Upper Jurassic strata of central Chile. The material was
recovered from Tithonian levels of the Baños del Flaco Formation and includes two different individuals, ...
First record of the Chilean gastropod Chiliborus in the Oligocene of Mendoza (Argentina): (Gastropoda Pulmonata: Strophocheilidae)
(E Schweizerbartsche Verlags, 2017-01)
The first record of a Chilean gastropod of the Late Oligocene of Argentina is described. The specimens show a typical general morphology and a characteristic nepionic sculpture of Chiliborus (Mollusca: Gastropoda), being ...
A new temnospondyl record from the Upper Triassic of Argentina
(Asociación Paleontológica Argentina, 2005-12)
The Brachyopoidea is a group of Mesozoic temnospondyls with flat, parabolic skulls that were recently reviewed and considered to include Brachyopoidea and Chigutisauridae (Warren and Marsicano, 2000; Yates and Warren, 2000, ...
The conodont Paroistodus horridus (Barnes and Poplawski) as a new biostratigraphical tool for the middle Darriwilian (Ordovician)
(Elsevier Science, 2020-07-01)
This contribution develops an analysis on the conodont Paroistodus horridus (Barnes and Poplawski) from several Argentine Precordilleran sections. From these collections, we have established that P. horridus occurs from ...
Southern Hemisphere Palaeobiogeography of Triassic-Jurassic Marine Bivalves
(Springer, 2012)
Palaeobiogeography is a complex subject which processes information provided by both Biology and Earth Sciences. It is conceptually and philosophically equivalent to neobiogeography. Nevertheless, its methods are somewhat ...
Mandibles of mastodonsaurid temnospondyls from the Upper Permian-Lower Triassic of Uruguay
(Instytut Paleobiologii PAN, 2007-12)
Partially preserved temnospondyl mandibles from the Late Permian–Early Triassic Buena Vista Formation of Uruguay are referred to the basal stereospondyl taxon Mastodonsauridae. These represent the earliest known members ...
Leaiid conchostracans from the uppermost Permian strata of the Parana Basin, Brazil: Chronostratigraphic and paleobiogeographic implications
(Pergamon-Elsevier B.V. Ltd, 2010-03-01)
Conchostracan fossils are abundant and relatively diversified in the Rio do Rasto Formation (Passa Dois Group, Parana Basin, southern Brazil), but leaiids ('Leaia pruvost' [Reed, F.R.C., 1929. Novos Phyllopodos Fosseis do ...