Mulichinco Formation
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.
Fossil content
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
Ornithopods
| Ornithopods of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Emiliasaura | E. alessandrii | A rhabdodontomorph iguanodontian |  | |||
Sauropods
| Sauropods of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Diplodocidae Indet. | Indeterminate | |||||
| Pilmatueia | P. faundezi | A dicraeosaurid sauropod |  | |||
Theropods
| Theropods of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Lajasvenator | L. ascheriae | A carcharodontosaurid theropod |  | |||
Echinoderms
Starfish
| Starfish of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Tethyaster | T. antares | A astropectinid starfish |  | |||
Molluscs
Cephalopods
| Cephalopods of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Acantholissonia | A. gerthi | |||||
| Lissonia | L. riveroi | |||||
| Olcostephanus | O. atherstoni | 
| ||||
| O. curacoensis | ||||||
Bivalves
| Bivalves of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Cucullaea | C. gabrielis | 
| ||||
| Eriphyla | E. argentina | |||||
| Lucina | L. sp. | 
| ||||
| Panopea | P. dupiniana | |||||
| P. neocomiensis | ||||||
| Pholadomya | P. gigantea | 
| ||||
| Ptychomya | P. koeneni | |||||
| Steinmanella | S. transitoria | |||||
Plants
| Plants of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Tempskya | T. dernbachii | A tree fern | ||||
| Equisetites | Indeterminate | A horsetail |  | |||
| Podocarpaceae Indet. | Indeterminate |  | ||||
Ichnofossils
| Ichnofossils of the Mulichinco Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Equilibrichnia | E. sp. | |||||
| Gyrochorte | G. comosa | |||||
| Lockeia | L. sp. | |||||
| Ophiomorpha | O. sp. | |||||
| Palaxius | P. chosmalalensis | |||||
| Phycosiphon | P. incertum | |||||
| P. sp. | ||||||
| Thalassinoides | T. sp. | |||||
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.; Pino, D.; Windholz, G. J.; Currie, P. J.; Ortega, F. (2024). "First Valanginian (Early Cretaceous) ornithopod (Dinosauria, Ornithischia) from Patagonia". Cretaceous Research. 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. Bibcode:2019CrRes..93...33C. doi:10.1016/j.cretres.2018.08.019. S2CID 135017018.
- ^ 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". Cretaceous Research. 111: 104319. doi:10.1016/j.cretres.2019.104319. hdl:11336/122794. ISSN 0195-6671.
- ^ 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". Review of Palaeobotany and Palynology. 219: 116–131. Bibcode:2015RPaPa.219..116M. doi:10.1016/j.revpalbo.2015.04.002. hdl:11336/49538.
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: 104319, 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, Bibcode:2019CrRes..93...33C, doi:10.1016/j.cretres.2018.08.019doi: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, Bibcode:2017CrRes..78..228G, doi:10.1016/j.cretres.2017.06.014, hdl:11336/30408
- 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, Bibcode:2005GSLSP.252..109S, doi:10.1144/GSL.SP.2005.252.01.06doi:10.1144/GSL.SP.2005.252.01.06Bibcode:2005GSLSP.252..109SISSN 0305-8719