Earth:Mulichinco Formation
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| Mulichinco Formation Stratigraphic range: Valanginian ~140–136 Ma | |
|---|---|
 Mulichinco Formation at Puerta Curaco | |
| Type | Geological formation |
| Unit of | Mendoza Group |
| Underlies | Agrio Formation |
| Overlies | Vaca Muerta |
| Thickness | 200–400 metres (660–1,310 ft) |
| Lithology | |
| Primary | Mudstone, siltstone, sandstone |
| Other | Limestone |
| Location | |
| Coordinates | [ ⚑ ] : 38°30′S 70°12′W / 38.5°S 70.2°W |
| Paleocoordinates | [ ⚑ ] 37°48′S 33°30′W / 37.8°S 33.5°W |
| Region | Neuquén Province |
| Country | Argentina |
| Extent | Neuquén Basin |
  Mulichinco Formation (Argentina) | |
The Mulichinco Formation is a geological formation in Argentina. It is Valanginian in age and is predominantly terrestrial, being deposited at a time of marine regression in the Neuquén Basin, and predominantly consists of siliciclastic rocks.[1]
Fossil content
Template:Paleobiota-key-compact
Dinosaurs
Ornithopods
| Ornithopods of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Emiliasaura[2] | E. alessandrii | Paraje Pilmatué locality | Lower | A partial skeleton | A iguanodontian ornithopod |  |
Sauropods
| Sauropods of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Pilmatueia[3][4] | P. faundezi | A dicraeosaurid sauropod |  | |||
Theropods
| Theropods of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Lajasvenator[5] | L. ascheriae | A carcharodontosaurid theropod |  | |||
Echinoderms
| Echinoderms of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Tethyaster[6] | T. antares | A astropectinid starfish | ||||
Plants
| Plants of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Tempskya[7] | T. dernbachii | A tree fern | ||||
References
- ↑ Schwarz et al., 2005
- ↑ Coria, R. A.; Cerda, A. A.; Escaso, F.; Baiano, M. A.; Bellardini, F.; Braun, A.; Coria, L. M.; Gutierrez, J. M. et al. (2025). "First Valanginian (Early Cretaceous) ornithopod (Dinosauria, Ornithischia) from Patagonia". Cretaceous Research 166: 106027. doi:10.1016/j.cretres.2024.106027.
- ↑ Rodolfo A. Coria; Guillermo J. Windholz; Francisco Ortega; Philip J. Currie (2019). "A new dicraeosaurid sauropod from the Lower Cretaceous (Mulichinco Formation, Valanginian, Neuquén Basin) of Argentina". Cretaceous Research 93: 33–48. doi:10.1016/j.cretres.2018.08.019. Bibcode: 2019CrRes..93...33C.
- ↑ "On a dicraeosaurid specimen from the Mulichinco Formation (Valanginian, Neuquén Basin) of Argentina and phylogenetic relationships of the South American dicraeosaurids (Sauropoda, Diplodocoidea)". Comptes Rendus Palevol 21 (45): 991–1019. 2022. doi:10.5852/cr-palevol2022v21a45. https://zenodo.org/records/7466986/files/comptes-rendus-palevol2022v21a45.pdf.
- ↑ Coria, Rodolfo A.; Currie, Philip J.; Ortega, Francisco; Baiano, Mattia A. (2020-07-01). "An Early Cretaceous, medium-sized carcharodontosaurid theropod (Dinosauria, Saurischia) from the Mulichinco Formation (upper Valanginian), Neuquén Province, Patagonia, Argentina" (in en). Cretaceous Research 111. doi:10.1016/j.cretres.2019.104319. ISSN 0195-6671.
- ↑ Diana Elizabeth Fernández; Damián Eduardo Pérez; Leticia Luci; Martín Alejandro Carrizo (2014). "An Early Cretaceous astropectinid (Echinodermata, Asteroidea) from Patagonia (Argentina): A new species and the oldest record of the family for the Southern Hemisphere". Andean Geology 41 (1): 210–223. doi:10.5027/andgeoV41n1-a08.
- ↑ Martínez, Leandro C.A.; Olivo, Mariana S. (August 2015). "Tempskya in the Valanginian of South America (Mulichinco Formation, Neuquén Basin, Argentina) — Systematics, palaeoclimatology and palaeoecology" (in en). Review of Palaeobotany and Palynology 219: 116–131. doi:10.1016/j.revpalbo.2015.04.002. Bibcode: 2015RPaPa.219..116M. https://linkinghub.elsevier.com/retrieve/pii/S003466671500069X.
Bibliography
- Coria, Rodolfo A.; Currie, Philip J.; Ortega, Francisco; Baiano, Mattia A. (2019), "An Early Cretaceous, medium-sized carcharodontosaurid theropod (Dinosauria, Saurischia) from the Mulichinco Formation (upper Valanginian), Neuquén Province, Patagonia, Argentina", Cretaceous Research 111, doi:10.1016/j.cretres.2019.104319
- Coria, Rodolfo A.; Windholz, Guillermo J.; Ortega, Francisco; Currie, Philip J. (2018), "A new dicraeosaurid sauropod from the Lower Cretaceous (Mulichinco Formation, Valanginian, Neuquén Basin) of Argentina", Cretaceous Research 93: 33–48, doi:10.1016/j.cretres.2018.08.019, Bibcode: 2019CrRes..93...33Cdoi:10.1016/j.cretres.2018.08.019
- Gnaedinger, S.; Coria, R. A.; Koppelhus, E.; Casadío, S.; Tunik, M.; Currie, P. (2017), "First Lower Cretaceous record of Podocarpaceae wood associated with dinosaur remains from Patagonia, Neuquén Province, Argentina", Cretaceous Research 78: 228–239, doi:10.1016/j.cretres.2017.06.014, Bibcode: 2017CrRes..78..228G, https://rid.unrn.edu.ar/jspui/handle/20.500.12049/5349
- Schwarz, Ernesto; Howell, John A. (2005), "Sedimentary evolution and depositional architecture of a lowstand sequence set: the Lower Cretaceous Mulichinco Formation, Neuquén Basin, Argentina", Geological Society, London, Special Publications 252 (1): 109–138, doi:10.1144/GSL.SP.2005.252.01.06, Bibcode: 2005GSLSP.252..109Sdoi:10.1144/GSL.SP.2005.252.01.06Bibcode: 2005GSLSP.252..109SISSN 0305-8719
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