General Roca (Miocene of Argentina)

Where: Río Negro, Argentina (39.1° S, 67.5° W: paleocoordinates 39.5° S, 63.5° W)

When: Chichinales Formation, Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial; lithified sandstone

• Edad Mamífero Colloncurense Superior

Size class: macrofossils

Preservation: permineralized, original cellulose, replaced with silica

Collected by Elsa Weber de Bachmann in 1959

Collection methods: surface (in situ), peel or thin section,

Primary reference: A. M. Ragonese. 1977. Nothofagoxylon menendezii, leño petrificado del terciario de General Roca, Río Negro, Argentina. Ameghiniana XIV(1 A 4) [C. Jaramillo/J. Ceballos/A. Cardenas ]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138433: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 18.01.2013, edited by Patricio Santamarina

Creative Commons license: CC BY (attribution)

Taxonomic list

 Fagales - Nothofagaceae
Nothofagoxylon menendezii Ragonese 1977
nov. sp.