Where: Neuquén, Argentina (39.2° S, 71.0° W: paleocoordinates 40.6° S, 63.8° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Rancahué Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)
Environment/lithology: terrestrial; lithified breccia
Size class: macrofossils
Preservation: permineralized, original cellulose
Primary reference: E. I. Vera. 2010. Oligocene ferns from the Rancahué Formation (Aluminé, Neuquén, Argentina): Cuyenopteris patagoniensis nov. gen., nov. sp. (Polypodiales: Blechnaceae/Dryopteridaceae) and Alsophilocaulis calveloi Menéndez emend. Vera (Cyatheales: Cyatheaceae). Geobios 43:465-478 [C. Jaramillo/J. Ceballos/J. Moreno]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 140136: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 02.03.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
Alsophilocaulis calveloi Menendez 1961 scaly tree fern |