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Ameghiniana
On-line version ISSN 1851-8044
Abstract
GNAEDINGER, Silvia. Planoxylon Stopes, Protelicoxylon Philippe and Herbstiloxylon gen. nov. (Coniferales) from the Middle Jurassic La Matilde Formation, Santa Cruz Province, Argentina. Ameghiniana [online]. 2007, vol.44, n.2, pp.321-335. ISSN 1851-8044.
Planoxylon australe (Salard) Vozenin-Serra and Salard-Cheboldaeff, Protelicoxylon feriziense (Fahkr and Marguerier) Philippe and Herbstiloxylon patagonicum gen. et sp. nov. from the Middle Jurassic La Matilde Formation, Gran Bajo de San Julián, Santa Cruz Province, Argentina are described. Planoxylon is a member of the Protopinaceae which includes wood specimens with transitional characters between araucarioid and abietinoid types. The relationship of Planoxylon and Herbstiloxylon gen. nov. with the Cupressaceae is analized.
Keywords : Planoxylon; Protelicoxylon; Herbstiloxylon gen. nov. Coniferales; Jurásico Medio; Patagonia; Argentina; Planoxylon; Protelicoxylon; Herbstiloxylon gen. nov. Coniferales; Middle Jurassic; Patagonia; Argentina.