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Flora fóssil dos níveis de bentonita da formação Campos Novos (Oligoceno Superior) Bacia de Boa Vista, PB, Brasil
(Universidade do Vale do Rio dos Sinos, 2015-03-02)
The end of Oligocene was a critical time for angiosperm evolution, with the definitive establishment of modern vegetation and grass-dominated landscapes. Is was also a time marked by important geological events, with the ...
Conifer fossil woods from the La Meseta Formation (Eocene of Western Antarctica): Evidence of Podocarpaceae-dominated forests
(Elsevier Science, 2013-09-20)
A new collection of 120 fossil wood samples from early Eocene sediments of the La Meseta Formation is studied. Conifers represent 68 % of the total amount of wood samples. The specimens show significant conifer diversity ...
Late Pleistocene fossil hominids tracks on the beaches of Claromecó, Argentina
(Fundación Miguel Lillo, 2021)
Se identifican y describen las icnitas fósiles de homínidos encontrados en la Argenti-na. La edad de los sedimentos se determinó utilizando la datación por radiocarbono, mediante Uranio, OSL y características paleomagnéticas ...
On the problematic placement of the fossil arthropod Devonopilio hutchinsoni in Opiliones (Arachnida)
(Magnolia Press, 2021-01)
Harvestmen (Arachnida: Opiliones) were among the earliest terrestrial arthropods but their unmineralized exoskeletons are scarce and often fragmentary as fossils (Palencia et al. 2019). Consequently, the discovery and ...
First penguin fossil (Aves, Spheniscidae) from Uruguay
(Pergamon-Elsevier Science Ltd, 2019-12)
A fossil humerus coming from the Rocha Department coasts (Uruguay) is assigned here to Spheniscus cf. S. magellanicus (Aves, Sphenisciformes). This finding, located within the current migratory route of the species, ...
A new mid-Cretaceous Neomeris (dasycladacean alga) from the Potiguar Basin, Brazil
(2013-08-06)
Neomeris (Lamouroux, 1816) is an extant taxon, the origin of which can be tracked back into Early Cretaceous times. The introduction of a new mid-Cretaceous species from Brazil, i.e., Neomeris srivastavai n. sp., offers ...
A new mid-Cretaceous Neomeris (dasycladacean alga) from the Potiguar Basin, Brazil
(2013-08-06)
Neomeris (Lamouroux, 1816) is an extant taxon, the origin of which can be tracked back into Early Cretaceous times. The introduction of a new mid-Cretaceous species from Brazil, i.e., Neomeris srivastavai n. sp., offers ...
First records of actual and fossil stephadiscus outside Patagonia, and description of a new Amazonian species (Mollusca: Pulmonata: Charopidae)
(E Schweizerbartsche Verlags, 2011-06)
An extension of both temporal and spatial range of Stephadiscus is provided, together with the description of the first Amazonian species (recorded from Peru) and the first Holocene fossils (found in Chile). The new species, ...