First record of elasmobranchs from the Lower Cretaceous of Argentina (Neuquén Basin)

The material reported herein comes from the Lower Cretaceous Agrio Formation (Neuquén Basin, west-central Argentina). These fishes dwelled in a Pacific Ocean embayment in southwestern Gondwana before the establishment of the Andean Cordillera. The material consists of an incomplete dorsal fin spine...

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Detalles Bibliográficos
Autores principales: Gouiric Cavalli, Soledad, Cione, Alberto Luis, Lazo, Darío Gustavo, Cataldo, Cecilia Soledad, Aguirre Urreta, María Beatriz
Formato: Articulo Comunicacion
Lenguaje:Inglés
Publicado: 2017
Materias:
Ciencias Naturales
Paleontología
Agrio formation
Chondrichthyes
Gondwana
South America
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/100925
https://ri.conicet.gov.ar/11336/65066
https://www.sciencedirect.com/science/article/pii/S0195667116303664
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
Descripción
Sumario:The material reported herein comes from the Lower Cretaceous Agrio Formation (Neuquén Basin, west-central Argentina). These fishes dwelled in a Pacific Ocean embayment in southwestern Gondwana before the establishment of the Andean Cordillera. The material consists of an incomplete dorsal fin spine of the widespread Hybodontoidea clade (from upper Valanginian beds) and a partial tooth of one of the earliest known lamniforms (from upper Hauterivian beds).

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