The Anfiteatro de Ticó Formation is a geological formation from the Deseado Massif in the province of Santa Cruz , Argentina .
Paleobiology
The Anfiteatro de Ticó preserves a rich and diverse flora including macrofossils, mesofossils, and microfossils. These have been object of detailed investigations since the 1960'.[ 1] [ 2] [ 3]
Depositional environments
The formation is of continental origin, and includes riparian and lacustrine deposits.
Fossil content
The following fossils were reported from the formation:[ 4]
Flora
Bryophytes
Horsetails
Ferns
Conifers
Ginkgoales
Cycadales
Caytoniales
References
^ Archangelsky, Sergio (1963). "A new Mesozoic flora from Ticó, Santa Cruz Province, Argentina". Bulletin of the British Museum (Natural History), Geology . 8 (2): 45– 62. doi :10.5962/p.313876 .
^ Llorens, M.; Loinaze, V.S. Perez; Passalia, M.G.; Vera, E.I. (February 2020). "Palynological, megafloral and mesofossil record from the Bajo Grande area (Anfiteatro de Ticó Formation, Baqueró Group, Upper Aptian), Patagonia, Argentina" . Review of Palaeobotany and Palynology . 273 : 104137. doi :10.1016/j.revpalbo.2019.104137 . hdl :11336/106118 . ISSN 0034-6667 .
^ Perez Loinaze, Valeria S.; Vera, Ezequiel I.; Passalia, Mauro G.; Llorens, Magdalena; Friedman, Richard; Limarino, Carlos O.; Césari, Silvia N. (December 2013). "High-precision U–Pb zircon age from the Anfiteatro de Ticó Formation: Implications for the timing of the early angiosperm diversification in Patagonia" . Journal of South American Earth Sciences . 48 : 97– 105. doi :10.1016/j.jsames.2013.08.005 . hdl :11336/5366 . ISSN 0895-9811 .
^ Anfiteatro de Ticó Formation at Fossilworks .org