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

  1. ^ 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.
  2. ^ 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.
  3. ^ 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.
  4. ^ Anfiteatro de Ticó Formation at Fossilworks.org
Allikas: https://en.wikipedia.org/wiki/Anfiteatro_de_Tic%C3%B3_formation
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