Ostracods from the late Albian–early Cenomanian of the Sergipe–Alagoas Basin, Brazil: New taxonomic and biostratigraphic inferences

Vázquez-García, Bernardo; Ceolín, Daiane; Fauth, Gerson; Borghi, Leonardo; Valle, Bruno; Netto, Aristóteles De Moraes Rios

doi:10.1016/j.jsames.2021.103169

Cited by 9 publications

(4 citation statements)

References 47 publications

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“…2018; Vázquez‐García et al . 2021), among others. This paper marks the first occurrence of this genus in Argentina, extending its geographic range during the Maastrichtian.…”

Section: Discussionmentioning

confidence: 99%

“…2016; Vázquez‐García et al . 2021), and Microceratina retangularis Tomé et al ., 2022, described from the Aptian–Albian of the Araripe Basin, Brazil.…”

Section: Discussionmentioning

confidence: 99%

“…It also differs from Semicytherura aversainflata Andreu, 1996, identified from the Albian of the Riachuelo Formation, Sergipe Basin (Vázquez‐García et al . 2021, fig. 5S–T) because of the position of its caudal process and the pattern of its reticulation.…”

Section: Methodsmentioning

confidence: 99%

“…Rosenfeld & Raab 1974) and Brazil (e.g. Fauth et al 2005;Lima-Barros et al 2018;V azquez-Garc ıa et al 2021), among others. This paper marks the first occurrence of this genus in Argentina, extending its geographic range during the Maastrichtian.…”

Section: Palaeogeographic Affinitiesmentioning

confidence: 99%

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Ostracods from the Cretaceous–Palaeogene boundary at El Matuasto Section, Neuquén Basin, Argentina: taxonomy, palaeoecological and palaeobiogeographical inferences

Ceolin,

Santos Filho,

Concheyro

et al. 2024

Papers in Palaeontology

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This work presents a taxonomic, palaeoecological and palaeobiogeographical study of the ostracod fauna around the Cretaceous–Palaeogene boundary from the El Matuasto section, Neuquén Basin, Argentina. The analysis of 64 samples resulted in the recovery of 82 marine ostracod species, of which four are new: Hemiparacytheridea condilomata, Paramunseyella stictus, Hysterocythereis acuminata and Aleisocythereis? picnus. In addition, the genera Sapucariella, Monoceratina, Aracajuia, Microceratina and Pelecocythere are reported for the first time from the Neuquén Basin. Palaeoecological inferences indicate fluctuations in abundance and diversity, occurring alongside environmental change from an inner to medium shelf during the Maastrichtian and to an outer shelf in the Danian. The Maastrichtian fauna was less abundant than that in the Danian, which shows a rapid recovery after the Cretaceous–Palaeogene boundary. During the Danian, a small interval also shows a sudden decrease in abundance and diversity that could potentially be related to the Dan‐C2 event. In addition, the described genera and species in this study suggest a strong palaeobiogeographical affinity with the Paraíba Basin, northeastern Brazil.

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“…2018; Vázquez‐García et al . 2021), among others. This paper marks the first occurrence of this genus in Argentina, extending its geographic range during the Maastrichtian.…”

Section: Discussionmentioning

confidence: 99%

“…2016; Vázquez‐García et al . 2021), and Microceratina retangularis Tomé et al ., 2022, described from the Aptian–Albian of the Araripe Basin, Brazil.…”

Section: Discussionmentioning

confidence: 99%