Abstract
Upper Triassic Palaeobotany of Biobio river valley, Chile: Filicopsida Class. The Upper Triassic (Carnian-Norian) Filicopsida fossils present in the marine and continental outcrops, informally nominated as Santa Juana formation in the Biobio Region of Chile (37oS/73oS), are described. The taphoflora includes ten species, out of which eight are first registers for this area: Gleichenites quilacoyensis Leppe and Moisan sp. nov., Asterotheca rigbyana rigbyana Herbst, Rienitsia colliveri Herbst, Dictyophyllum fuenzalidai Herbst, Dictyophyllum (Thaumatopteris) rothi Frenguelli, Chansitheca argentina Herbst, Cladophlebis kurtzi Frenguelli and Todites baldoni Herbst ; three are new records for the Chilean Upper Triassic: Rienitsia colliveri Herbst, Gleichenites quilacoyensis Leppe and Moisan sp. nov., and
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