New cyathealean tree fern, Yavanna chimaerica gen. et sp. nov., from the Early Cretaceous of Livingston Island, Antarctica

A new genus and species of cyathealean fern, Yavanna chimaerica gen. et sp. nov., is erected for several permineralized stems recovered from the Early Cretaceous (Aptian) Cerro Negro Formation, which crops out at the South Shetland Islands, Antarctica. The new species is characterized by solenosteli...

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Detalles Bibliográficos
Autor principal:	Vera, E.I.
Formato:	JOUR
Materias:	Antarctica Aptian Cerro Negro Formation Cyatheales Livingston Island South Shetland Islands anatomy Cretaceous fern new genus new species Cyatheaceae Filicophyta Thyrsopteris elegans
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_01956671_v44_n_p214_Vera
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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