Results 11 to 20 of about 5,518,775 (68)

Late Burdigalian (Miocene) age for pectinids (Mollusca-Bivalvia) from the Pirabas Formation (northern Brazil) derived from Sr-isotope (87 Sr/86 Sr) data [PDF]

Neues Jahrbuch Fur Geologie Und Palaontologie - Abhandlungen, 2017
The faunas of the highly fossiliferous Pirabas Formation belong to the southern part of the biogeographical unit known as "Neogene Tropical America". This unit developed prior to the closure of the Central American Seaway by the Isthmus of Panama.
Claudia Julia Del Rio, Sérgio Martinez, Maria Ines Feijo Ramos   +2 more
exaly   +5 more sources

Ariid sea catfishes from the coeval Pirabas (Northeastern Brazil), Cantaure, Castillo (Northwestern Venezuela), and Castilletes (North Colombia) formations (early Miocene), with description of three new species

Swiss Journal of Palaeontology, 2013
Ariidae catfish are described from the early Miocene Pirabas Formation in northeastern Brazil, Cantaure and Castillo formations in northwestern Venezuela, and Castilletes Formation in North Colombia. A skull from the Pirabas Formation is described as Cathorops goeldii, n. sp. and an otolith is identified as Cathorops sp.
CARLOS Jaramillo, Orángel Antonio Aguilera, Jaramillo CARLOS   +2 more
exaly   +3 more sources

New remains of a gavialoid crocodilian from the late Oligocene−early Miocene of the Pirabas Formation, Brazil [PDF]

Zoological Journal of the Linnean Society, 2011
Heloísa Moraes–Santos, J. Villanueva, P. M. Toledo   +2 more
exaly   +3 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   +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, Guilherme Oliveira Andrade Silva, Ricardo Tadeu Lopes, Alessandra Silveira Machado, Thaís Maria Dos Santos, Gabriela Marques, Thayse Bertucci, Thayanne Aguiar, Jorge Carrillo-Briceño, Felix Rodriguez, Carlos Jaramillo   +10 more
doaj   +2 more sources

Crinoidea (Comatulida) from Pirabas Formation (Early Miocene), Pará State, Brazil

Revista Brasileira de Paleontologia
The Pirabas Formation, a representative geological unit of the Brazilian marine Cenozoic, assembles a rich and diverse fossil record, which includes Comatulida crinoids, components of the faunal assembly of the Pirabas Sea.
D. B. Monteiro, S. Scheffler
semanticscholar   +2 more sources

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, André Augusto Rodrigues dos Santos, Raphael Neto Araújo   +2 more
doaj   +1 more source

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, Peter Mann de Toledo, Sue Anne Regina Ferreira da Costa   +2 more
doaj   +1 more source

Micropaleontologia da Litofácies Recifal da Formação Pirabas (Mioceno inferior), Estado do Pará, Brasil

Anuário do Instituto de Geociências - UFRJ, 2014
This work presents the resulting data from microfossils analysis of the Pirabas Formation reef lithofacies, exposed in the Macarico beach, Salinopolis city, Para State, Brazil.
V. Távora, B. Souza, Ignácio de Loiola Alvares Nogueira Neto   +2 more
semanticscholar   +2 more sources

First Record of Miocene Polychaete Cirratulids in the Atlantic Ocean from the Pirabas Formation of Brazil: A MicroCT Approach

Anuário do Instituto de Geociências
A new record of the cirratulid polychaete Diplochaetetes mexicanus Wilson, 1986 from the of Miocene Pirabas Formation outcrops (Burdigalian to Langhian) is documented in the context of the paleodiversity of the equatorial margin of Brazil and represents ...
Jamille De Sousa da Silva, Beatriz Teixeira-Guimarães, O. M. Oliveira de Araújo, T. Kočí, Orangel Aguilera, Ricardo Tadeu Lopes   +5 more
semanticscholar   +3 more sources