Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal

Geologica Acta

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Title Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal
 
Creator Fialho, P.
Balbino, A.
Antunes, M.T.
 
Subject Langhian; Chondrichthyes; Batomorphii; Brielas; Portugal
 
Description The Langhian Vc unit of Brielas section (Caparica road, Almada), in the marine Miocene of the Lower Tagus Basin (West Portugal), is rich in batoid species. In this study, batoids are represented by 149 isolated fossil teeth and a single fossil dental plate collected from a bulk sample of washed and sorted sediment. A total of 12 species belonging to the orders Rhinopristiformes, Rajiformes, Torpediniformes and Myliobatiformes were identified. All genera and some species are known to have extant representatives. Aetobatus cappettai Antunes and Balbino, 2006, is described now from Langhian material which suggests it is older than previously supposed. The biogeographic ranges, environmental constraints and behaviour of the species described in this study point out to an infralittoral environment characterized by the dominance of warm water conditions, where episodic upwelling contributed to the occurrence of different types of batoids coexisting in the same habitat.
 
Publisher Geologica Acta
Geologica Acta
Geologica Acta
 
Contributor Universidade de Évora
 
Date 2019-07-23
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://revistes.ub.edu/index.php/GEOACTA/article/view/GeologicaActa2019.17.7
10.1344/%x
 
Source Geologica Acta; Vol 17; 1-16
Geologica Acta; Vol 17; 1-16
Geologica Acta; Vol 17; 1-16
1696-5728
1695-6133
 
Language eng
 
Relation http://revistes.ub.edu/index.php/GEOACTA/article/view/GeologicaActa2019.17.7/29459
 
Coverage Iberian Peninsula; Portugal; Setúbal Peninsula; Costa da Caparica
Miocene; Langhian
Fossils
 
Rights Copyright (c) 2019 Geologica Acta
 

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