Where: Santa Cruz, Argentina (48.3° S, 69.5° W: paleocoordinates 49.2° S, 35.7° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Anfiteatro de Ticó Formation (Baqueró Group), Aptian (125.0 - 113.0 Ma)
• Early Aptian age (118.56 ± 1.4 myr old).
Environment/lithology: fluvial-lacustrine; lithified conglomerate and lithified, coarse-grained, sandy sandstone
Size class: microfossils
• Coniferous pollen cones.
Preservation: mold/impression, adpression, original sporopollenin
Collection methods: chemical, hydrochloric, hydroflouric
• The specimens, microscope slides and samples are deposited in the palaeobotanical collections of the Lillo Institute, Tucuma´n University (under the prefixes LIL Pb, LIL Pb Pm) and the Argentine Natural Sciences Museum, Bernardino Rivadavia (using the prefixes BA Pb,BA Pb Pm, BA Pb MEB, BA Pb MET).
Primary reference: G. M. Del Fueyo and S. Archangelsky. 2005. A new araucarian pollen cone with in situ Cyclusphaera Elsik from the Aptian of Patagonia, Argentina. Cretaceous Research 26:757-768 [C. Jaramillo/J. Moreno]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 152642: authorized by Carlos Jaramillo, entered by Jessica Moreno on 28.11.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Equisetopsida | |
Alkastrobus peltatus n. gen. n. sp.
Alkastrobus peltatus n. gen. n. sp. Del Fueyo and Archangelsky 2005 |