Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic)
International audience The Azores Archipelago is a group of isolated islands located in the North Atlantic Ocean. One of these oceanic islands - Santa Maria - exhibits marine fossiliferous sediments of late Miocene/early Pliocene and also of Pleistocene age. Recent research provided new selachian fo...
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ftunivnantes:oai:HAL:insu-00756602v1 2023-05-15T17:33:19+02:00 Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic) Avila, Sergio, Ramalho, Ricardo Vullo, Romain Géosciences Rennes (GR) Université de Rennes 1 (UR1) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Centre National de la Recherche Scientifique (CNRS) 2012 https://hal-insu.archives-ouvertes.fr/insu-00756602 https://doi.org/10.1016/j.annpal.2012.04.001 en eng HAL CCSD Elsevier Masson info:eu-repo/semantics/altIdentifier/doi/10.1016/j.annpal.2012.04.001 insu-00756602 https://hal-insu.archives-ouvertes.fr/insu-00756602 doi:10.1016/j.annpal.2012.04.001 ISSN: 0753-3969 Annales de Paléontologie https://hal-insu.archives-ouvertes.fr/insu-00756602 Annales de Paléontologie, 2012, 98 (3), pp.167-189. ⟨10.1016/j.annpal.2012.04.001⟩ Elasmobranchii Neoselachii Neogene Oceanic islands Azores NE Atlantic Ocean [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology info:eu-repo/semantics/article Journal articles 2012 ftunivnantes https://doi.org/10.1016/j.annpal.2012.04.001 2023-02-08T00:19:59Z International audience The Azores Archipelago is a group of isolated islands located in the North Atlantic Ocean. One of these oceanic islands - Santa Maria - exhibits marine fossiliferous sediments of late Miocene/early Pliocene and also of Pleistocene age. Recent research provided new selachian fossil material, with three new records (Carcharias acutissima, Megaselachus megalodon, and Carcharhinus cf. leucas) increasing the number of fossil sharks reported from the Azores (Santa Maria Island) to seven species (Notorynchus primigenius, C. acutissima, Cosmopolitodus hastalis, Paratodus benedenii, Isurus oxyrinchus, M. megalodon, and C. cf. leucas). So far, no teeth of batoids or small sharks have been found despite the screen-washing of several sediment samples from Santa Maria. The Azorean Mio-Pliocene selachian fauna clearly differs from those described from sediments deposited on continental shelves, in which batoids and small benthic sharks (e.g., scyliorhinids) are usually well represented. During the late Miocene/early Pliocene, subtropical to warm-temperate seas were prevalent in the area of the Azores, as deduced from palaeontological, geological and isotopic data, all indicating a warmer climate than in the present. Article in Journal/Newspaper North Atlantic Northeast Atlantic Université de Nantes: HAL-UNIV-NANTES Maria Island ENVELOPE(-55.914,-55.914,51.232,51.232) Annales de Paléontologie 98 3 167 189 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Elasmobranchii Neoselachii Neogene Oceanic islands Azores NE Atlantic Ocean [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology |
spellingShingle |
Elasmobranchii Neoselachii Neogene Oceanic islands Azores NE Atlantic Ocean [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology Avila, Sergio, Ramalho, Ricardo Vullo, Romain Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic) |
topic_facet |
Elasmobranchii Neoselachii Neogene Oceanic islands Azores NE Atlantic Ocean [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology |
description |
International audience The Azores Archipelago is a group of isolated islands located in the North Atlantic Ocean. One of these oceanic islands - Santa Maria - exhibits marine fossiliferous sediments of late Miocene/early Pliocene and also of Pleistocene age. Recent research provided new selachian fossil material, with three new records (Carcharias acutissima, Megaselachus megalodon, and Carcharhinus cf. leucas) increasing the number of fossil sharks reported from the Azores (Santa Maria Island) to seven species (Notorynchus primigenius, C. acutissima, Cosmopolitodus hastalis, Paratodus benedenii, Isurus oxyrinchus, M. megalodon, and C. cf. leucas). So far, no teeth of batoids or small sharks have been found despite the screen-washing of several sediment samples from Santa Maria. The Azorean Mio-Pliocene selachian fauna clearly differs from those described from sediments deposited on continental shelves, in which batoids and small benthic sharks (e.g., scyliorhinids) are usually well represented. During the late Miocene/early Pliocene, subtropical to warm-temperate seas were prevalent in the area of the Azores, as deduced from palaeontological, geological and isotopic data, all indicating a warmer climate than in the present. |
author2 |
Géosciences Rennes (GR) Université de Rennes 1 (UR1) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Avila, Sergio, Ramalho, Ricardo Vullo, Romain |
author_facet |
Avila, Sergio, Ramalho, Ricardo Vullo, Romain |
author_sort |
Avila, Sergio, |
title |
Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic) |
title_short |
Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic) |
title_full |
Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic) |
title_fullStr |
Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic) |
title_full_unstemmed |
Systematics, palaeoecology and palaeobiogeography of the Neogene fossil sharks from the Azores (Northeast Atlantic) |
title_sort |
systematics, palaeoecology and palaeobiogeography of the neogene fossil sharks from the azores (northeast atlantic) |
publisher |
HAL CCSD |
publishDate |
2012 |
url |
https://hal-insu.archives-ouvertes.fr/insu-00756602 https://doi.org/10.1016/j.annpal.2012.04.001 |
long_lat |
ENVELOPE(-55.914,-55.914,51.232,51.232) |
geographic |
Maria Island |
geographic_facet |
Maria Island |
genre |
North Atlantic Northeast Atlantic |
genre_facet |
North Atlantic Northeast Atlantic |
op_source |
ISSN: 0753-3969 Annales de Paléontologie https://hal-insu.archives-ouvertes.fr/insu-00756602 Annales de Paléontologie, 2012, 98 (3), pp.167-189. ⟨10.1016/j.annpal.2012.04.001⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.annpal.2012.04.001 insu-00756602 https://hal-insu.archives-ouvertes.fr/insu-00756602 doi:10.1016/j.annpal.2012.04.001 |
op_doi |
https://doi.org/10.1016/j.annpal.2012.04.001 |
container_title |
Annales de Paléontologie |
container_volume |
98 |
container_issue |
3 |
container_start_page |
167 |
op_container_end_page |
189 |
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