Yavanna chimaerica

Yavanna is an extinct genus of tree ferns known from the Early Cretaceous Cerro Negro Formation of what are now the South Shetland Islands, Antarctica.^[1]

Yavanna chimaerica Temporal range: Aptian ~125–113 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Cyatheales
Family:	incertae sedis
Genus:	†Yavanna Vera
Species:	†Y. chimaerica
Binomial name
†Yavanna chimaerica Vera, 2013