Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal
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...
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Format: | Article |
Language: | English |
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Universitat de Barcelona (UB), Geociències Barcelona (Geo3BCN), Institut de Diagnosi Ambiental i Estudis de l'Aigua (IDAEA), Universitat Autònoma de Barcelona (UAB)
2019-07-01
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Series: | Geologica Acta |
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Online Access: | https://revistes.ub.edu/index.php/GEOACTA/article/view/21822 |
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author | P. Fialho A. Balbino M.T. Antunes |
author_facet | P. Fialho A. Balbino M.T. Antunes |
author_sort | P. Fialho |
collection | DOAJ |
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.
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first_indexed | 2024-03-11T17:01:06Z |
format | Article |
id | doaj.art-3767df1bdb974dd7883df1b2a9041922 |
institution | Directory Open Access Journal |
issn | 1696-5728 |
language | English |
last_indexed | 2024-03-11T17:01:06Z |
publishDate | 2019-07-01 |
publisher | Universitat de Barcelona (UB), Geociències Barcelona (Geo3BCN), Institut de Diagnosi Ambiental i Estudis de l'Aigua (IDAEA), Universitat Autònoma de Barcelona (UAB) |
record_format | Article |
series | Geologica Acta |
spelling | doaj.art-3767df1bdb974dd7883df1b2a90419222023-10-20T07:26:35ZengUniversitat de Barcelona (UB), Geociències Barcelona (Geo3BCN), Institut de Diagnosi Ambiental i Estudis de l'Aigua (IDAEA), Universitat Autònoma de Barcelona (UAB)Geologica Acta1696-57282019-07-0117Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, PortugalP. Fialho0A. Balbino1M.T. Antunes2Departamento de Geociências, ECT, Universidade de Évora Rua Romão Ramalho 59, 7000-671, Évora, PortugalDepartamento de Geociências, ECT, Universidade de Évora Rua Romão Ramalho 59, 7000-671, Évora, Portugal Academia das Ciências de Lisboa Rua da Academia das Ciências 19, 1249-122 Lisboa, PortugalAcademia das Ciências de Lisboa Rua da Academia das Ciências 19, 1249-122 Lisboa, Portugal Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa 2829-516 Caparica, Portugal.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. https://revistes.ub.edu/index.php/GEOACTA/article/view/21822LanghianChondrichthyesBatomorphiiBrielasPortugal |
spellingShingle | P. Fialho A. Balbino M.T. Antunes Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal Geologica Acta Langhian Chondrichthyes Batomorphii Brielas Portugal |
title | Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal |
title_full | Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal |
title_fullStr | Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal |
title_full_unstemmed | Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal |
title_short | Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal |
title_sort | langhian rays chondrichthyes batomorphii from brielas lower tagus basin portugal |
topic | Langhian Chondrichthyes Batomorphii Brielas Portugal |
url | https://revistes.ub.edu/index.php/GEOACTA/article/view/21822 |
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