Neogene sharks and rays from the Brazilian 'Blue Amazon'. [PDF]
PLoS ONE, 2017 The lower Miocene Pirabas Formation in the North of Brazil was deposited under influence of the proto-Amazon River and is characterized by large changes in the ecological niches from the early Miocene onwards.
Orangel Aguilera +12 more
doaj +8 more sources
Chondrichthyan Fauna from the Pirabas Formation, Miocene of Northern Brazil, with Comments on Paleobiogeography [PDF]
Anuário do Instituto de Geociências, 2005 The chondrichthyan fauna from the Pirabas Formation is redescribed. Only thirteen nominal taxa are considered valid. From these taxa, ten were reassigned to extant taxa (Carcharhinus sorrah, Carcharhinus perezii, Galeocerdo cuvier, Rhizoprionodon ...
Márcia Aparecida Fernandes dos Reis
doaj +6 more sources
Geology and paleontology of the reef facies of the Pirabas Formation (Early Miocene) [PDF]
Geologia USP. Série Científica, 2013 This work concerns with the detailed geological and paleontological study of the reef facies of the Pirabas Formation, that outcrop at the Maçarico beach, of Salinópolis district, Pará State, as a small, isolated and lenticular sedimentary bodie ...
Vladimir de Araújo Távora +2 more
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Shark teeth from Pirabas Formation (Lower Miocene), northeastern Amazonia, Brazil [PDF]
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2009 The shark fauna (Chondrichthyes: Elasmobranchii) of Pirabas Formation is one of the most representative and diversified of the Neogene of South America.
Sue Anne Regina Ferreira Costa +3 more
doaj +3 more sources
Neogene Proto-Caribbean porcupinefishes (Diodontidae). [PDF]
PLoS ONE, 2017 Fossil Diodontidae in Tropical America consist mostly of isolated and fused beak-like jawbones, and tooth plate batteries. These durophagous fishes are powerful shell-crushing predators on shallow water invertebrate faunas from Neogene tropical carbonate
Orangel Aguilera +10 more
doaj +2 more sources
The Pirabas Formation (Early Miocene from Brazil) and the Tropical Western Central Atlantic Subprovince [PDF]
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2012 The Neogene Tropical Western Central Atlantic-South American faunal assemblage from the Pirabas Formation (Early Miocene) has specific and unique features, which distinguishes it from the rest of the Proto-Caribbean Subprovince in diversity ...
Orangel Aguilera Socorro +1 more
doaj +3 more sources
Early Miocene aequipectininin bivalves of the Pirabas Formation of the Pará State, northeastern Brazil [PDF]
Acta Palaeontologica PolonicaA taxonomic revision of the Tribe Aequipectini from the upper Burdigalian, Lower Miocene Pirabas Formation in Brazil) resulted in an identification of Leptopecten daideleus comb.
María Belén Santelli +3 more
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Shark scales (Pisces: Chondrichthyes) of Pirabas Formation (Eomiocen), Pará, Brazil [PDF]
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2008 The lack of stratigraphic localization of shark fossils collected in the Pirabas Formation has made it difficult to use them in paleoecological interpretation and distribution in time.
Samantha Florinda Cecim Carvalho de Oliveira +2 more
doaj +1 more source
Fossiliferous Localities of the Pirabas Formation (Lower Miocene) [PDF]
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2010 The Pirabas Formation occurs in twenty-seven geographic localities in the Pará, Maranhão and Piauí states, where has been recorded in outcrops along coastal cliffs, roadcuts, mines and in the underground. In this paper, for the first time, the localities
Vladimir de Araújo Távora +2 more
doaj +1 more source
Before the flood: Miocene otoliths from eastern Amazon Pirabas Formation reveal a Caribbean-type fish fauna [PDF]
Journal of South American Earth Sciences, 2014 AbstractThe Pirabas Formation of Early Miocene age represents the final stage of the central western Atlantic carbonate platform in northeastern South America, predating the emplacement of the Amazon delta system. The otolith-based fossil fish fauna is represented by 38 species typical of a shallow marine environment.
Aguilera, Orangel +3 more
openaire +2 more sources