Earth:Asencio Formation
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| Asencio Formation Stratigraphic range: Campanian-Maastrichtian ~83.6–66.0 Ma | |
|---|---|
| Type | Geological formation |
| Sub-units | Del Palacio Member |
| Underlies | Queguay & Fray Bentos Formations |
| Overlies | Mercedes Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | [ ⚑ ] : 33°00′S 57°12′W / 33.0°S 57.2°W |
| Paleocoordinates | [ ⚑ ] 36°36′S 41°36′W / 36.6°S 41.6°W |
| Region | Colonia, Río Negro, Soriano, Tacuarembó |
| Country | Uruguay |
| Extent | Paraná Basin |
| Type section | |
| Named for | Cry of Asencio |
  Asencio Formation (Uruguay) | |
The Asencio Formation is a geological formation in the Paraná Basin of southwestern Uruguay whose strata date back to the Late Cretaceous (Campanian-Maastrichtian). Dinosaur remains are among the fossils that have been recovered from the formation.[1]
Vertebrate paleofauna
Fossil eggs
Trace fossils
See also
- List of dinosaur-bearing rock formations
- List of fossiliferous stratigraphic units in Uruguay
- Adamantina Formation
- Allen Formation
- Marília Formation
References
- ↑ Weishampel et al., 2004, pp. 600-604
- ↑ Neuquensaurus australis at Fossilworks.org
- ↑ Laplatasaurus araukanicus at Fossilworks.org
- ↑ Mones, Álvaro (1972). "Lista de los vertebrados fósiles de Uruguay, I. Chondrichthyes, Osteichthyes, Reptilia, Aves". Comunicaciones Paleontológicas del Museo de Historia Natural de Montevideo I (3): 30. https://www.mna.gub.uy/innovaportal/file/10917/1/cp3.pdf. Retrieved 20 December 2025.
- ↑ 5.0 5.1 Mones, A. (1980) "Nuevos elementos de la paleoherpetofauna del Uruguay (Crocodilia y Dinosauria)." Actas II Congreso Argentino de Paleontologia y Bioestratigrafia y I Congreso Latinoamericano, Buenos Aires 1:265-277 (in Spanish)
- ↑ Novo Buess, Anaclara (2020). "Trabajo final de licenciatura en geología: "Mapa geológico de la región al sur de la ciudad de Mercedes y caracterización litológica de la formación Asencio"" (in es). https://www.colibri.udelar.edu.uy/jspui/bitstream/20.500.12008/29508/1/uy24-19957.pdf.
- ↑ Verde, Mariano; Genise, Jorge F. (2014). "Elipsoideichnus meyeri Roselli 1987 revisited: A helicoidal fossil bee nest from the Paleogene of Uruguay". Spanish Journal of Palaeontology 29 (1): 25-32. https://turia.uv.es/index.php/sjpalaeontology/article/view/17485/15687. Retrieved 15 December 2025.
- ↑ "Corimbatichnus fernandezi: A cluster of fossil bee cells from the late cretaceous‐early tertiary of Uruguay". Ichnos 7 (2): 115-125. doi:10.1080/10420940009380150. https://www.tandfonline.com/doi/abs/10.1080/10420940009380150. Retrieved 17 December 2025.
Bibliography
- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, https://books.google.com/books?id=vtZFDb_iw40C, retrieved 2019-02-21
Further reading
- F. v. Huene. 1929. Terrestrische Oberkreide in Uruguay [The terrestrial Upper Cretaceous in Uruguay]. Centralblatt für Mineralogie, Geologie und Paläontologie Abteilung B 1929:107-112
Template:Stratigraphic formations of Uruguay
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