An isopod from the Codó Formation (Aptian of the Parnaíba Basin), Northeastern Brazil

Lindoso, Rafael Matos; Carvalho, Ismar de Souza; Mendes, Ighor Dienes

doi:10.5327/z2317-48892013000100003

Cited by 15 publications

(5 citation statements)

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“…Tethyan water arrived in the BCMBs via the seaway existing in the present-day region of northeastern Brazil, passing through the São Luís, Parnaíba, Araripe, Tucano and Sergipe basins. The most convincing evidence is the presence of marine fossils in the Santana Formation [Araripe Basin; e.g., fishes (Martill 1988, Maisey 1991, Silva Santos 1991, Saraiva 2008, dinoflagellates (Arai & Coimbra 1990), molluscs (Beurlen 1964), palynoforaminifera (Arai & Coimbra 1990), echinoids (Beurlen 1966, Manso & Hessel 2007, 2012 and marine turtles (Price 1973, Hirayama 1998] and in the Codó Formation [Parnaíba and São Luís basins; e.g., fishes (Silva- Santos 1985, Lindoso et al 2013b, dinoflagellates (Antonioli 2001, Antonioli & Arai 2002) and isopod crustaceans (Lindoso et al 2013a)]. However, the route of the marine ingression has been conjectural.…”

Section: Seaway Of Northeastern Brazilmentioning

confidence: 99%

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Aptian/Albian (Early Cretaceous) paleogeography of the South Atlantic: a paleontological perspective

Arai¹

2014

Braz. J. Geol.

131

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Paleontological data obtained in recent years reinforce the hypothesis that Aptian marine sedimentation in the sedimentary basins of the Brazilian continental margin -except the Pelotas basin, the southernmost Brazilian basin -took place under the domain of waters coming from the north through the Tethys Sea (Central Atlantic). Tethyan waters could reach the basins of the Brazilian continental margin via the seaway then existing in the present-day region of northeastern Brazil. Here there are records in several basins, notably in the São Luís (Codó Formation), Parnaíba (Codó Formation), Araripe (Santana Formation), Tucano (Marizal Formation), Sergipe (Riachuelo Formation) and Camamu (Algodões Formation) basins. Despite irrefutable marine evidence -e.g., dinoflagellates, echinoids, foraminifera, molluscs and fishes, conspicuously present in the Araripe Basin -there are very few paleogeographic reconstructions that include the seaway which is totally ignored in the international literature. The skepticism is even greater in relation to the Tethyan affinity although the evidence has been well documented by molluscs and dinoflagellates, together with ammonoids in the Sergipe Basin. That skepticism may be due to the fact that, in tectonic and geodynamic terms, the opening of the South Atlantic indeed proceeded from south to north, at least in the part that extends from Argentina to the northeastern Brazilian state of Paraíba.

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Section: Seaway Of Northeastern Brazilmentioning

confidence: 99%

“…Codoisopus brejensis belongs to the crustacean Family Archaeoniscidae (Order Isopoda) and has been recorded from the Codó Formation. Although the species was endemic, it is considered to indicate Tethyan influence, because the Family Archaeoniscidae is exclusively Tethyan (Lindoso et al 2013a).…”

Section: Crustaceansmentioning

confidence: 99%

Aptian/Albian (Early Cretaceous) paleogeography of the South Atlantic: a paleontological perspective

Arai¹

2014

Braz. J. Geol.

131

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“…Uma vez aceita esta questão, hipóteses foram levantadas considerando a rota desta incursão marinha, que poderia ser a partir das bacias SergipeAlagoas (S-SE), Potiguar (N-NE) e do Parnaíba (O-NO) (Mabesoone & Tinoco, 1973;Martill, 2007;Assine, 2007), ou ainda, uma tríplice junção dos braços do mar que interligavam as três bacias citadas (Mabesoone et al, 1999;Valença et al, 2003). Arai (1999;2009) (Regali, 1989;Arai et al, 1994;Antonioli & Arai, 2002), crustáceos (Lindoso et al, 2013), peixes (Silva-Santos, 1991;Maisey & Moody, 2001;Brito et al, 2008) e tartarugas (Batista & Carvalho, 2007). Neste levantamento realizado por Arai (2014), em relação a moluscos da bacia do Araripe, apenas duas espécies foram citadas, uma vez, que correspondiam as únicas descritas formalmente.…”

Section: Paleoecologia E Paleogeografia Dos Moluscos E Equinoides Da unclassified

Paleoecology and Paleogeography of Mollusks and Echinoids from Romualdo Formation, Aptian-Albian of the Araripe Basin, Brazil

2017

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ResumoA influência marinha no Aptiano-Albiano da bacia sedimentar do Araripe, sempre foi sugerida a partir de fósseis de vários grupos taxonômicos como os equinoides e diversos moluscos gastrópodos e biválvios. Apesar da Formação Romualdo apresentar assembleias com fósseis desses invertebrados, relevantes para a indicação dessa influência marinha durante o Aptiano-Albiano, passaram muitos anos sem receber estudos apropriados. Somente após os recentes trabalhos feitos tanto com os equinoides como os moluscos ali representados possibilitou a análise paleoecológica dessas assembleias. Esses estudos possibilitarão configurar uma possível rota dessa incursão marinha ocorrida no início da formação do Oceano Atlântico. Nesse trabalho foram analisados fósseis de invertebrados de vinte sítios da Formação Romualdo, distribuídos ao longo da bacia do Araripe em Pernambuco, Ceará e no Piauí. A partir deste estudo foram feitas inferências paleoecológicas, bem como a distribuição paleogeográfica da fauna mostrando prováveis ambientes de sedimentação marinho, lagunar e estuarino, mostrando as possíveis entradas do mar na bacia. Foram constatadas espécies em comum com o Albiano da bacia de Sergipe e com a Formação Codó, no Maranhão. Essa associação de invertebrados marinhos é composta predominantemente pelos equinodermos: Pygurus (Echinopygus) tinocoi e Bothryopneustes araripensis, pelos gastrópodos: Tylostoma ranchariensis, Cerithium sergipensis, Paraglauconia (Diglauconia) araripensis e pelos biválvios: Aguileria dissita e Brachidontes araripensis. Já na associação lagunar predominam gastrópodos Paraglauconia (Diglauconia) araripensis, Gymnentome (Gymnentome) romualdoi, Gymnentome (Craginia) beurleni, "Pseudomesalia" ("Pseudomesalia") santanensis, "Pseudomesalia" ("Pseudomesalia") "mennessieri", Cerithium sergipensis e Tylostoma ranchariensis e ausência de equinoides. Na estuarina predominam os biválvios Brachidontes araripensis e Corbula sp. Palavras-chave: Aptiano-Albiano, bacia do Araripe, Formação Romualdo, gastrópodos, biválvios, equinoides, associações faunísticas marinha, lagunar e estuarina. AbstractThe marine influence in the Aptian-Albian of the Araripe Sedimentary Basin, has always been suggested from fossils of several different taxonomic groups. Although the Romualdo Formation presented fossil assemblages of these invertebrates, relevant for the indication of this marine influence during the Aptian-Albian, they spent many years without receiving appropriate studies. Only after the recent work done with both the equinoids and the molluscs represented there allowed the paleoecological analysis of these assemblies. These studies will make it possible to configure a possible route of this marine incursion that occurred at the beginning of the formation of the Atlantic Ocean. From this study were made paleoecological inferences, as well as the paleogeographic distribution of the fauna showing probable environments of marine, lagoon and estuarine sedimentation, showing the possible entrances of the sea in the basin. Com...

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“…Fish remains (Silva-Santos 1985, dinoflagellates (Antonioli 2001), and isopod crustaceans (Lindoso et al 2013b) support the sea-level rise at the end of Aptian (Weissert et al 1998), and in many other coastal basins from Northeast Brazil. According to Arai (2014) and Lindoso et al (2016), the invasion of seawater at that time must have originated from the north and through the Central/Equatorial Atlantic or Eastern Tethys.…”

Section: Geological Settingmentioning

confidence: 99%

“…In the last decade, several specimens have been described for this unit, including crustaceans (isopods), mollusks (gastropods and bivalve), fishes, and plants (Lindoso 2016, Lindoso & Carvalho 2012, Lindoso et al 2011, 2013a, 2013b, 2016, Brito et al 2016. Its fossil record in the central-north part of Maranhão State is characterized by a discontinuous occurrence over a wide area, cropping out mainly in the cliffs of the river valleys that drain the central part of the basin (Santos & Carvalho 2009).…”

Section: Geological Settingmentioning

confidence: 99%

New plant fossils from the Lower Cretaceous of the Parnaíba Basin, Northeastern Brazil: Southern Laurasia links

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An isopod from the Codó Formation (Aptian of the Parnaíba Basin), Northeastern Brazil

Cited by 15 publications

References 4 publications

Aptian/Albian (Early Cretaceous) paleogeography of the South Atlantic: a paleontological perspective

Aptian/Albian (Early Cretaceous) paleogeography of the South Atlantic: a paleontological perspective

Paleoecology and Paleogeography of Mollusks and Echinoids from Romualdo Formation, Aptian-Albian of the Araripe Basin, Brazil

New plant fossils from the Lower Cretaceous of the Parnaíba Basin, Northeastern Brazil: Southern Laurasia links

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