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Coordinates: 29°41′42″S 53°47′43″W / 29.695042°S 53.795403°W / -29.695042; -53.795403
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A complete skull, atlas, axis, third neck vertebra
A complete skull, atlas, axis, third neck vertebra
| a [[rhynchosaur]]
| a [[rhynchosaur]]
|-
|''[[Buriolestes]]''<ref>Cabreira, S.F.; Kellner, A.W.A.; Dias-da-Silva, S.; da Silva, L.R.; Bronzati, M.; de Almeida Marsola, J.C.; Müller, R.T.; de Souza Bittencourt, J.; Batista, B.J.; Raugust, T.; Carrilho, R.; Brodt, A.; Langer, M.C. (2016). "A Unique Late Triassic Dinosauromorph Assemblage Reveals Dinosaur Ancestral Anatomy and Diet". Current Biology. 26: 3090–3095. PMID 27839975. doi:10.1016/j.cub.2016.09.040</ref>
| B. schultzi
|
|
| parts of the skull, vertebrae, left forelimb, and left hindlimb
| A carnivorous [[sauropodomorph]]
|-
|-
|
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|Cranial material
|Cranial material
||A [[traversodontid]] [[cynodont]]
||A [[traversodontid]] [[cynodont]]
|-
|''[[Ixalerpeton]]''<ref>Cabreira, S.F.; Kellner, A.W.A.; Dias-da-Silva, S.; da Silva, L.R.; Bronzati, M.; de Almeida Marsola, J.C.; Müller, R.T.; de Souza Bittencourt, J.; Batista, B.J.; Raugust, T.; Carrilho, R.; Brodt, A.; Langer, M.C. (2016). "A Unique Late Triassic Dinosauromorph Assemblage Reveals Dinosaur Ancestral Anatomy and Diet". Current Biology. 26: 3090–3095. PMID 27839975. doi:10.1016/j.cub.2016.09.040</ref>
| I. polesinensis
|
|
| parts or the skull, vertebral column, all limbs
| A [[Lagerpetid]]
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|-
|
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Revision as of 02:26, 11 October 2017

Santa María Formation
Stratigraphic range: Middle to Late Triassic
Santa María Formation. Source: UFSM
TypeGeological formation
Location
Coordinates29°41′42″S 53°47′43″W / 29.695042°S 53.795403°W / -29.695042; -53.795403
Region Paleorrota
 Rio Grande do Sul
Country Brazil

Geopark of Paleorrota

The Santa María Formation is a sedimentary rock formation found in Rio Grande do Sul, Brazil. It has a late Ladinian – early Carnian age (Middle – Upper Triassic), and is notable for its fossils of early dinosaurs, including the herrerasaur Staurikosaurus, the basal saurischian Teyuwasu, and the basal sauropodomorph Saturnalia.[1] It received this name because it was discovered first in the city of Santa María.

The distinguished English paleontologist Arthur Smith Woodward determined the age of Santa María Formation dated Mesozoic Era, Upper Triassic period (about 220 million years).

The Santa María Formation is in the geopark of Paleorrota. [2] [3]

Fauna

Vertebrates

An unnamed prosauropod species is present in Rio Grande do Sul.[1]

Vertebrates reported from the Santa Maria Formation
Genus Species Location Stratigraphic position Material Notes Images
Aetobarbakinoides[4] A. brasiliensis Rio Grande do Sul Partial postcranial skeleton A stagonolepidid aetosaur
Barberenachampsa B. nodosa A proterosuchid
Barberenasuchus[5] B. brasiliensis poorly preserved skull and axis vertebra[6] An Archosauriform of uncertain classification

Belesodon[7]

Rio Grande do Sul.[1]

Junior synonym of Chiniquodon

Staurikosaurus
Brasinorhynchus[8] B. mariantensis Rio Grande do Sul

A complete skull, atlas, axis, third neck vertebra

a rhynchosaur
Buriolestes[9] B. schultzi parts of the skull, vertebrae, left forelimb, and left hindlimb A carnivorous sauropodomorph

Candelariodon[10]

C. barberenai[10]

Rio Grande do Sul.[10]

A partial mandible having some complete teeth.[10]

A cynodont.[10]

Cerritosaurus[11] C. binsfeldi A proterochampsid

Chanaresuchus[12]

C. bonapartei[12]

Rio Grande do Sul.[12]

Disarticulated cranial and postcranial elements.[12]

A proterochampsian.[12]

Chiniquodon

C. theotonicus

Several Skulls A synapsid.
Dagasuchus[13] D. santacruzensis Rio Grande do Sul an illium and a pair of ischia A pseudosuchian archosaur
Decuriasuchus[14]

D. quartacolonia

  • Alemoa Member (240-235)

A pretosuchid.

Exaeretodon[15]

E. riograndensis

Cranial material A traversodontid cynodont
Ixalerpeton[16] I. polesinensis parts or the skull, vertebral column, all limbs A Lagerpetid

Pampadromaeus[17]

P. barberenai[17]

Rio Grande do Sul.[17]

  • Upper (Alemoa Member)[17]

"ULBRA-PVT016, disarticulated partial skeleton... including most skull bones"[17]

A basal sauropodomorph dinosaur.

Polesinesuchus[18]

P. aurelioi[18]

An aetosaur.[18]

Protuberum[19]

P. cabralensis

Rio Grande do Sul ribs, vertebrae, partial articulated skeleton, skull A traversodontid cynodont

Santacruzodon[20]

S. hopsoni[20]

Rio Grande do Sul.[20]

Cranial remains.[20]

A traversodontid cynodont.[20]

Saturnalia[1]

S. tupinquim[1]

Rio Grande do Sul.[1]

  • Upper (Alemoa Member)[21]

"[Three] partial skeletons, dentary, adult."[22][23]

A basal sauropodomorph dinosaur.

Spondylosoma[1]

S. absconditum[1]

Rio Grande do Sul.[1]

"Various postcranial remains."[22]

Might not be dinosaurian.[1]

Staurikosaurus[1]

S. pricei[1]

Rio Grande do Sul.[1]

  • Upper (Alemoa Member)[22]

"Partial postcranial skeleton with mandible."[22]

A herrerasaurid dinosaur.

Teyuwasu[1]

T. barbarenai[1]

Rio Grande do Sul.[1]

  • Upper (Alemoa Member)

"Right femur and tibia."[22]

Might not be dinosaurian.[1]

Trucidocynodon[24]

T. riograndensis

A synapsid.

Formations

class=notpageimage|
Geological formations in Rio Grande do Sul:

See also

References

Template:Wikipedia books

  1. ^ a b c d e f g h i j k l m n o p q Weishampel, David B; et al (2004). "Dinosaur distribution (Late Triassic, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 527–528. ISBN 0-520-24209-2.
  2. ^ Formação Santa Maria, (in Portuguese)
  3. ^ Paleoformações, (in Portuguese)
  4. ^ Julia B. Desojo, Martin D. Ezcurra and Edio E. Kischlat (2012). "A new aetosaur genus (Archosauria: Pseudosuchia) from the early Late Triassic of southern Brazil" (PDF). Zootaxa. 3166: 1–33. ISSN 1175-5334
  5. ^ Mattar, L.C.B. 1987. Descrição osteólogica do crânio e segunda vértebrata cervical de Barberenasuchus brasiliensis Mattar, 1987 (Reptilia, Thecodontia) do Mesotriássico do Rio Grande do Sul, Brasil. Anais, Academia Brasileira de Ciências, 61: 319–333
  6. ^ Randall B. Irmis, Sterling J. Nesbitt and Hans-Dieter Sues (2013). "Early Crocodylomorpha". In S.J. Nesbitt, J.B. Desojo and R.B. Irmis (eds). Anatomy, phylogeny and palaeobiology of early archosaurs and their kin. The Geological Society of London. pp. 275–302. doi:10.1144/SP379.24
  7. ^ Romer, A. S. The Brazilian cynodont reptiles Belesodon and Chiniquodon. Breviora, 1969a, 332, 1–16. Online: Biodiversity Heritage Library
  8. ^ Cesar Leandro Schultz; Max Cardoso Langer & Felipe Chinaglia Montefeltro (2016). "A new rhynchosaur from south Brazil (Santa Maria Formation) and rhynchosaur diversity patterns across the Middle-Late Triassic boundary". Paläontologische Zeitschrift. in press. doi:10.1007/s12542-016-0307-7
  9. ^ Cabreira, S.F.; Kellner, A.W.A.; Dias-da-Silva, S.; da Silva, L.R.; Bronzati, M.; de Almeida Marsola, J.C.; Müller, R.T.; de Souza Bittencourt, J.; Batista, B.J.; Raugust, T.; Carrilho, R.; Brodt, A.; Langer, M.C. (2016). "A Unique Late Triassic Dinosauromorph Assemblage Reveals Dinosaur Ancestral Anatomy and Diet". Current Biology. 26: 3090–3095. PMID 27839975. doi:10.1016/j.cub.2016.09.040
  10. ^ a b c d e Téo Veiga De Oliveira, Cesar Leandro Schultz, Marina Bento Soares and Carlos Nunes Rodrigues (2011). "A new carnivorous cynodont (Synapsida, Therapsida) from the Brazilian Middle Triassic (Santa Maria Formation): Candelariodon barberenai gen. et sp. nov" (PDF). Zootaxa. 3027: 19–28. ISSN 1175-5334.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  11. ^ The Beginning of the Age of Dinosaurs: Faunal Change across the Triassic-Jurassic Boundary by Kevin Padian
  12. ^ a b c d e Tiago Raugust, Marcel Lacerda; Cesar Leandro Schultz (in press). "The first occurrence of Chanaresuchus bonapartei Romer 1971 (Archosauriformes, Proterochampsia) of the Middle Triassic of Brazil from the Santacruzodon Assemblage Zone, Santa Maria Formation (Paraná Basin)". In S.J. Nesbitt; J.B. Desojo; R.B. Irmis (eds.). Anatomy, phylogeny and palaeobiology of early archosaurs and their kin. The Geological Society of London. doi:10.1144/SP379.22. {{cite book}}: Check date values in: |year= (help); Unknown parameter |lastauthoramp= ignored (|name-list-style= suggested) (help)CS1 maint: year (link)
  13. ^ Lacerda, M. B.; Schultz, C. L.; Bertoni-Machado, C. (2015). "First 'Rauisuchian' archosaur (Pseudosuchia, Loricata) for the Middle Triassic Santacruzodon Assemblage Zone (Santa Maria Supersequence), Rio Grande do Sul State, Brazil". PLoS ONE. 10 (2): e0118563. PMC 4340915 Freely accessible. PMID 25714091. doi:10.1371/journal.pone.0118563
  14. ^ Marco Aurélio G. França; Jorge Ferigolo; Max C. Langer (2011). "Associated skeletons of a new middle Triassic "Rauisuchia" from Brazil". Naturwissenschaften. 98 (5): 389–395. doi:10.1007/s00114-011-0782-3. PMID 21445632.
  15. ^ Liu, J. (2007). "The taxonomy of the traversodontid cynodonts Exaeretodon and Ischignathus" (PDF). Revista Brasileira de Paleontologia. 10 (2): 133–136. doi:10.4072/rbp.2007.2.07
  16. ^ Cabreira, S.F.; Kellner, A.W.A.; Dias-da-Silva, S.; da Silva, L.R.; Bronzati, M.; de Almeida Marsola, J.C.; Müller, R.T.; de Souza Bittencourt, J.; Batista, B.J.; Raugust, T.; Carrilho, R.; Brodt, A.; Langer, M.C. (2016). "A Unique Late Triassic Dinosauromorph Assemblage Reveals Dinosaur Ancestral Anatomy and Diet". Current Biology. 26: 3090–3095. PMID 27839975. doi:10.1016/j.cub.2016.09.040
  17. ^ a b c d e Cabreira, Sergio F.; Cesar L. Schultz; Jonathas S. Bittencourt; Marina B. Soares; Daniel C. Fortier; Lúcio R. Silva; Max C. Langer (2011). "New stem-sauropodomorph (Dinosauria, Saurischia) from the Triassic of Brazil". Naturwissenschaften. 98 (12): 1035–1040. Bibcode:2011NW.....98.1035C. doi:10.1007/s00114-011-0858-0. PMID 22083251.
  18. ^ a b c Lúcio Roberto-da-Silva, Julia B. Desojo, Sérgio F. Cabreira, Alex S. S. Aires, Rodrigo T. Müller, Cristian P. Pacheco and Sérgio Dias-da-Silva (2014). "A new aetosaur from the Upper Triassic of the Santa Maria Formation, southern Brazil". Zootaxa. 3764 (3): 240–278. doi:10.11646/zootaxa.3764.3.1.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  19. ^ Reichel, Míriam, Schultz , Cesar Leandro, & Soares , Marina Bento 2009 “A New Traversodontid Cynodont (Therapsida, Eucynodontia) from the Middle Triassic Santa Maria Formation of Rio Grande do Sul, Brazil” Palaeontology 52(1):229-250
  20. ^ a b c d e F. Abdala; A. M. Ribeiro (2003). "A new traversodontid cynodont from the Santa Maria Formation (Ladinian-Carnian) of southern Brazil, with a phylogenetic analysis of Gondwanan traversodontids". Zoological Journal of the Linnean Society. 139 (4): 529–545. doi:10.1111/j.1096-3642.2003.00096.x. {{cite journal}}: Unknown parameter |lastauthoramp= ignored (|name-list-style= suggested) (help)
  21. ^ Langer, M.C., Abdala, F., Richter, M., and Benton, M. (1999). "A sauropodomorph dinosaur from the Upper Triassic (Carnian) of southern Brazil." Comptes Rendus de l'Académie des Sciences, 329: 511-;517.
  22. ^ a b c d e f "Table 2.1," in Weishampel, et al. (2004). Page 26.
  23. ^ "Table 12.1," in Weishampel, et al. (2004). Page 235.
  24. ^ Oliveira, T.V.; Soares, M.B.; Schultz, C.L. (2010). "Trucidocynodon riograndensis gen. nov. et sp. nov. (Eucynodontia), a new cynodont from the Brazilian Upper Triassic (Santa Maria Formation)". Zootaxa. 2382: 1–71.

Bibliography

  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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