Results 21 to 30 of about 427 (110)
This work deals with the systematic study of the corals from Itamaracá, Maria Farinha and Pirabas formations (Lower Maastrichtian, Paleocene-Eocene and Lower Miocene, respectively) at Pernambuco and Pará states. Herein are presented the first records of the species Actinastrea dickersoni (Wells, 1941), A.
Vladimir De Araújo Távora +2 more
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The genus Perissocytheridea Stephenson, 1938 (Crustacea: Ostracoda) and evidence of brackish water facies along the Oligo-Miocene, Pirabas Formation, eastern Amazonia, Brazil [PDF]
Abstract Perissocytheridea Stephenson is characteristic of brackish water facies. In 57 samples from the Upper Oligocene to Lower Miocene, from five localities, Pirabas Formation, Para State, Brazil eleven species have been identified. Among these species, four are new reports: Perissocytheridea punctoreticulata n.
Anna Andressa Evangelista Nogueira +1 more
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Since the Late Cretaceous, the equatorial margin of Brazil has undergone a rift phase, with the erosion of a moderate rift escarpment, a Late Cretaceous–Paleogene post‐rift phase, with major drainage reorganization and significant vertical erosion, and a Late Oligocene‐to‐Recent post‐rift phase, with moderate vertical erosion and river headwater ...
Maria Giuditta Fellin +7 more
wiley +1 more source
Estudo preliminar das relações entre a geologia e a limnologia da zona bragantina (Pará). [PDF]
Made available in DSpace on 2015-01-28T08:47:44Z (GMT). No. of bitstreams: 1 preliminar.pdf: 1307332 bytes, checksum: c34a9cfcae0b661c120e48971b7487e9 (MD5) Previous issue date: 1993-11 ...
SIOLI, H.
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Crinoidea (Comatulida) from Pirabas Formation (Early Miocene), Pará State, Brazil
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. Samples from the B-17 Mine outcropping, Municipality of Capanema, and the Atalaia Beach, Municipality of Salinópolis, Pará State ...
Débora Barroso Monteiro +1 more
openaire +1 more source
Marine vertebrate assemblages in the southwest Atlantic during the Miocene [PDF]
Two biogeographical units are generally recognized in the present shelf area of Argentina: the Magellanian and Argentinian Provinces. The two provinces differ in their fossil record.
Acosta Hospitaleche, Carolina Ileana Alicia +3 more
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The Neogene tropical America fish assemblage and the paleobiogeography of the Caribbean region [PDF]
This first analysis of the marine fish fossil record in the Caribbean region during the Neogene is based on comprehensive new faunal compilation lists at the generic level from basins of nine Central and South American countries during Miocene and ...
Aguilera Socorro, Orangel +4 more
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A grande elevação eustática do mioceno e sua influência na origem do grupo barreiras [PDF]
The Barreiras Group is a lithostratigraphic unit, which crops out extensively along the Brazilian coast, from the state of Amapá (North Brazil) to the state of Rio de Janeiro (Southeast Brazil).
Arai, Mitsuru
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Ocorrências de Foraminíferos Fósseis no Brasil [PDF]
By the first time are described some fossil Foraminifera from Brazil. 1 he article begins with a short sketch of the previous report on findings of fossil Foraminifera in Brazil.
Petri, Setembrino
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Variation in the Genus Orthaulax (Mollusca: Gastropoda) [PDF]
A study of approximately 750 specimens of Orthaulax gabbi Dall, from the Chipola Formation of northwestern Florida, reveals a high degree of variation in the spire height, spire angle, and nature of the cross-sectional outline of the shell.
Vokes, Emily H., Vokes, Harold E.
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