List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Trucidocynodon riograndensis n. gen., n. sp.
Oliveira et al. 2010
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1 individual | |||||||||
| UFRGS PV-1051-T; an almost complete skeleton | ||||||||||
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Traversodontidae
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Exaeretodon riograndensis
Abdala et al. 2002
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de Oliveira et al. 2007 | 1 individual | ||||||||
| UFRGS PV-0715-T | ||||||||||
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Reptilia
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Hyperodapedon sp.
Huxley 1859
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Cabreira et al. 2011 | |||||||||
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Dynamosuchus collisensis n. gen., n. sp.
Müller et al. 2020
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Müller et al. 2020 | 1 specimen | ||||||||
| Holotype: CAPPA/UFSM 0248, a partial skeleton including the pre- maxillae, left maxilla, frontals, right postfrontal, right parietal, squa- mosals, quadratojugals, quadrates, parabasisphenoid, both hemiman- dibles, some cervical, dorsal, sacral and caudal vertebrae, several ribs, gastralia, osteoderms, left scapula, both forelimbs, left ilium, right pubis, left femur, right tibia, and left fibula. | ||||||||||
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Dinosauriformes indet.
Novas 1992
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Müller et al. 2014 | 1 specimen | ||||||||
| UNIPAMPA-0632, partial left femur | ||||||||||
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Dinosauria indet.
(Owen 1842)
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Pretto et al. 2015 | 1 individual | ||||||||
| UFRGSPV-1240-T, postcrania | ||||||||||
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Sauropodomorpha indet.
(Huene 1932)
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Müller and Garcia 2021 | 1 individual | ||||||||
| CAPPA/UFSM 0276, postcrania | ||||||||||
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Bagualosaurus agudoensis n. gen., n. sp.
Pretto et al. 2019
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Pretto et al. 2019 | 1 specimen | ||||||||
| UFRGS-PV-1099-T (holotype), a semi-articulated skeleton, including partial skull and mandible, trunk vertebrae, sacrum and isolated caudal vertebrae, fragmented ribs, gastralia, isolated haemal arches, both ilia, right pubis, femora, tibiae, fibulae and partial left pes | ||||||||||
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Pampadromaeus barberenai n. gen., n. sp.
Cabreira et al. 2011
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Cabreira et al. 2011 | 1 individual | ||||||||
| ULBRA-PVT016 | ||||||||||
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cf. Pampadromaeus barberenai
Cabreira et al. 2011
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Müller et al. 2015 | 1 specimen | ||||||||
| CAPPA/UFSM 0027, complete left femur | ||||||||||
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Reptilia
- Proterochampsidae
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Stenoscelida aurantiacus n. gen., n. sp.
Müller et al. 2022
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Müller et al. 2022 | 1 individual | ||||||||
| Holotype. CAPPA/UFSM 0293, a complete and articulated right hind limb | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Brazil | State/province: | Rio Grande do Sul | County: | Agudo |
| Coordinates: | 29.7° South, 53.3° West (view map) | ||||
| Paleocoordinates: | 39.7° South, 15.1° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | small collection |
Stratigraphy
| Geological group: | Rosário do Sul | Formation: | Santa Maria | Member: | Alemoa |
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Santa Maria 2 (upper half of Santa Maria Formation), from the so-called "Rhynchosaur Cenozone" or "Hyperodapedon Assemblage Zone" in a stratigraphic level "with great abundance of the traversodontid Exaeretodon riograndensis." The Hyperodapedon Assemblage Zone is generally considered late Carnian in age, but could extend into the early Norian.
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Lithology and environment
| Primary lithology: | massive,planar lamination,red mudstone |
| Secondary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: "massive to finely laminated mudstone"; "reddish massive to laminated mudstones" | |
| Environment: | "floodplain" |
| Geology comments: "distal floodplain palaeoenvironment" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Fragmentation: | occasional |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: UFRGS: Universidade Federal do Rio Grande do Sul; UNIPAMPA, Universidade
Federal do Pampa, São Gabriel | |
Metadata
| Also known as: | Sítio Janner, Janner site | ||
| Database number: | 98623 | ||
| Authorizer: | R. Butler, M. Carrano, E. Dunne | Enterer: | R. Butler, E. Dunne, M. Carrano |
| Modifier: | E. Dunne | Research group: | vertebrate |
| Created: | 2010-10-15 00:54:08 | Last modified: | 2022-11-07 15:16:22 |
| Access level: | the public | Released: | 2010-10-15 00:54:08 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 34027. | T. V. d.e. Oliveira, M. B. Soares, and C. L. Schultz. 2010. Trucidocynodon riograndensis gen. nov. et sp. nov. (Eucynodontia), a new cynodont from the Brazilian Upper Triassic (Santa Maria Formation). Zootaxa 2382:1-71 [R. Butler/R. Butler/P. Wagner] |
Secondary references:
| 42509 | S. F. Cabreira, C. L. Schultz, J. S. Bittencourt, M. B. Soares, D. C. Fortier, L. R. Silva, and M. C. Langer. 2011. New stem-sauropodomorph (Dinosauria, Saurischia) from the Triassic of Brazil. Naturwissenschaften 98(12):1035-1040 [G. Lloyd/G. Lloyd/M. Carrano] | |
| 57398 | T. V. de Oliveira, C. L. Schultz, and M. B. Soares. 2007. O esqueleto pós-craniano de Exaeretodon riograndensis Abdala et al. (Cynodontia, Traversodontidae), Triássico do Brasil. Revista Brasileira de Paleontologia 10:79-94 [R. Butler/R. Butler] | |
| 72973 | R. T. Müller, M. Belén von Baczko, J. B. Desojo and S. J. Nesbitt. 2020. The first ornithosuchid from Brazil and its macroevolutionary and phylogenetic implications for Late Triassic faunas in Gondwana. Acta Palaeontologica Polonica 65(1):1-10 [E. Dunne/E. Dunne] | |
| 82147 | R. T. Müller and M. S. Garcia. 2021. A sauropodomorph (Dinosauria, Saurischia) specimen from the Upper Triassic of southern Brazil and the early increase in size in Sauropodomorpha. Journal of Vertebrate Paleontology 41(4): e2002879:-20 [M. Carrano/M. Carrano] | |
| 57399 | R. T. Müller, M. C. Langer, A. S. S. Aires and S. Dias-da-Silva. 2014. New dinosauriform (Ornithodira, Dinosauromorpha) record from the Upper Triassic of southern Brazil. Paleontological Research 18(2):118-121 [R. Butler/R. Butler/M. Carrano] | |
| 57400 | R. T. Müller, M. C. Langer, S. F. Cabreira and S. Dias-da-Silva. 2015. The femoral anatomy of Pampadromaeus barberenai based on a new specimen from the Upper Triassic of Brazil. Historical Biology [R. Butler/R. Butler] | |
| 83059 | R. T. Müller, M. Silva Garcia, and A. Oliveira Fonseca. 2022. A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits. Journal of Systematic Palaeontology 20(1) [E. Dunne/E. Dunne] | |
| 65762 | F. A. Pretto, M. C. Langer, and C. L. Schultz. 2019. A new dinosaur (Saurischia: Sauropodomorpha) from the Late Triassic of Brazil provides insights on the evolution of sauropodomorph body plan. Zoological Journal of the Linnean Society 185(2):388-416 [R. Butler/E. Dunne/P. Mannion] | |
| 57397 | F. A. Pretto, C. L. Schultz, and M. C. Langer. 2015. New dinosaur remains from the Late Triassic of southern Brazil (Candelária Sequence, Hyperodapedon Assemblage Zone). Alcheringa 39:264-273 [R. Butler/R. Butler] |