Where: Río Negro, Argentina (41.6° S, 67.8° W: paleocoordinates 44.1° S, 57.9° W)
• coordinate estimated from map
When: "Terciaria" Formation, Paleogene (66.0 - 23.0 Ma)
• La formación geológica no se especifica (Ver geología)
Environment/lithology: terrestrial; lithified, red claystone and lithified, brown, yellow sandstone
Size class: macrofossils
Preservation: permineralized, original cellulose, replaced with silica
Collected by Luis B. Cazau; reposited in the MLP
Collection methods: surface (in situ), peel or thin section,
Primary reference: B. Petriella. 1969. Menucoa cazaui nov. gen. et. sp. tronco petrificado de Cycadales, provincia de Rio Negro, Argentina. Ameghiniana VI(4):291-302 [C. Jaramillo/J. Ceballos/P. Santamarina]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 138338: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 15.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Cycadopsida | |
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