Lower Cretaceous ammonites from the Neuquén Basin, Argentina: The neocomitids of the Pseudofavrella angulatiformis Zone (upper Valanginian)

The Pseudofavrella angulatiformis Zone (upper Valanginian) of the Agrio Formation in the Neuquén Basin, Argentina, is characterized exclusively by a complex sequence of neocomitid faunas that are sandwiched between the olcostephanids of the underlying Viluceras permolestus Subzone beneath and the ho...

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Detalles Bibliográficos
Autores principales:	Aguirre-Urreta, M.B., Rawson, P.F.
Formato:	JOUR
Materias:	Ammonites Argentina Lower Cretaceous Neocomitidae Neuquén Basin Upper Valanginian ammonite Cretaceous fauna fossil record new taxon paleontology sedimentary sequence taxonomy Valanginian Neuquen Basin Chacantuceras Holcodiscidae Holcoptychites neuquensis Pseudofavrella angulatiformis
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_01956671_v31_n3_p321_AguirreUrreta
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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