Middle Eocene chondrichthyan fauna from Antarctic Peninsula housed in the Museo de La Plata,ArgentinaOA北大核心
Middle Eocene chondrichthyan fauna from Antarctic Peninsula housed in the Museo de La Plata,Argentina
In recent years,the taxonomy and systematics of the cartilaginous fish taxa from the Eocene La Meseta Formation of Seymour(Marambio)Island,Antarctica have been extensively discussed in a series of papers,resulting in a complete revision of the Antarctic Eocene ichthyofauna housed in the Vertebrate Paleontology collection of the Museo de La Plata,Argentina.This collection constitutes one of the largest and taxonomically most diverse in the world,with approximately 20000 specimens,which provides a solid database used for the analysis of qualitative and quantitative chondrichthyan taxonomic composition.The information provided herein might be useful to understand the sudden decline in chondrichthyan taxonomic diversity towards the top of La Meseta Formation as well as its potential relationship with environmental changes during the Eocene.
Martina CHARNELLI;Soledad GOUIRIC-CAVALLI;Marcelo A.REGUERO;Alberto L.CIONE
Agencia Nacional de Promoción Científica y Tecnológica(ANPCyT),Godoy Cruz 2370,Argentina||División Paleontología Vertebrados,Museo de La Plata,Paseo del Bosque s/n,La Plata B1900FWA,Argentina||Facultad de Ciencias Naturales y Museo de La Plata(FCNyM),Universidad Nacional de La Plata(UNLP),La Plata CP 1900,Argentina||Instituto Antártico Argentino(IAA),General San Martín B1650HMK,ArgentinaDivisión Paleontología Vertebrados,Museo de La Plata,Paseo del Bosque s/n,La Plata B1900FWA,Argentina||Facultad de Ciencias Naturales y Museo de La Plata(FCNyM),Universidad Nacional de La Plata(UNLP),La Plata CP 1900,Argentina||Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET),Buenos Aires C1425FQB,ArgentinaDivisión Paleontología Vertebrados,Museo de La Plata,Paseo del Bosque s/n,La Plata B1900FWA,Argentina||Facultad de Ciencias Naturales y Museo de La Plata(FCNyM),Universidad Nacional de La Plata(UNLP),La Plata CP 1900,Argentina||Instituto Antártico Argentino(IAA),General San Martín B1650HMK,Argentina||Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET),Buenos Aires C1425FQB,ArgentinaDivisión Paleontología Vertebrados,Museo de La Plata,Paseo del Bosque s/n,La Plata B1900FWA,Argentina
GondwanaAntarcticaPaleogeneichthyofaunaSeymour(Marambio)Island
《极地科学进展（英文版）》 2024 (001)
14-47 / 34
We like to thanks Editors-in-Chief,Guest Editors and the editorial staff of APS,for the possibility to participate in this special volume.We also want to thank the reviewers Dr.Jürgen Kriwet and Dr.Jun Ebersole that enhanced the quality of this manuscript.Antarctic field trips were supported by Dirección Nacional del Antártico-Instituto Antártico Argentino and Fuerza Aérea Argentina.We also thank to the paleontologists and technicians of the Paleovertebrados IAA group for their efforts in the field and the specimen collection.Special thanks to Martín de los Reyes and Yanina Herrera for providing access to the fossil specimens of the PV collection of the Museo de La Plata.To Federico Andrés Kracher for the support and collaboration,mainly in the writing.Thanks to the Agencia Nacional de Promoción Científica y Tecnológica for financial support trough PICT 2017-0607(to MR),PICT 2019-02419(to SGC).
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