terça-feira, 22 de julho de 2008

Taxonomy

Dinosauriformes
- Sacisaurus
Dinosauria
Owen, 1842
- Teyuwasu
- Ornithischia Seeley, 1888
- Saurischia Seeley, 1887
-- Herrerasauria Galton, 1985
--- Staurikosaurus
-- Sauropodomorpha Huene, 1932
--- "Prosauropoda" Huene, 1920
--- (?) Saturnalia
---- Unaysaurus
--- Sauropoda Marsh, 1878
---- Gravisauria Allain & Aquesbi, 2008
----- Eusauropoda
------Neosauropoda Bonaparte, 1986
------- Macronaria
-------- Titanosauria
--------- Lithostrotia (ex-Titanosauridae)
---------- Eutitanosauria
----------- Aeolosaurini
------------ Gondwanatitan
------------ Adamantisaurus
-- Theropoda Marsh, 1881
-- (?) Guaibasaurus
--- Ceratosauria Marsh, 1884
---- Abelisauroidea Bonaparte & Novas, 1985
----- Abelisauridae Bonaparte & Novas, 1985
--- Tetanurae Gauthier, 1986
---- Spinosauroidea
----- Angaturama
----- Irritator
---- Avetheropoda
Paul, 1988 (= Neotetanurae Sereno, 1999)
----- Carnosauria ( = Allosauroidea
Marsh, 1878)
------ Carcharodontosauridae
Stromer, 1931
------- Carcharodontosaurinae
------- Giganotosaurinae Coria & Currie, 2006
----- Coelurosauria Huene, 1920

Uberaba Formation

The Uberaba Formation is part of the Bauru Group. It is located in Uberaba, Minas Gerais State. This formation has yielded only disarticulated dinosaur specimens. Santucci (2002) noted that sauropod remains from the Uberaba Formation represent possibly basal titanosaurs.

Sauropoda n.sp. et gen.
Sauropoda “Megalodontidae” indet.
Sauropoda Titanosauria indet.
Aeolosaurus sp.


References:
Santucci, R. M. (2002). Revisão dos titanosaurideos do Cretáceo Superior do Brasil. Master Dissertation. Universidade Estadual Paulista/Rio Claro, 179 p.
Candeiro, C. R. A. (2007) - Cretaceous biota of the Triângulo Mineiro region (Brazil): A review of recent finds / Biota cretácica de la región del Triângulo Mineiro (Brasil): Revisión de hallazgos recientes. Estudios Geológicos, 63 (1) Jan-Jun 2007, pgs. 65-73.

Bauru Group

Bauru Group:
  1. Adamantina Member
  2. Uberaba Member
  3. Marília Member

sexta-feira, 18 de julho de 2008

Bibliography

Calvo, Jorge O. et al. (2007) - A new Cretaceous terrestrial ecosystem from Gondwana with the description of a new sauropod dinosaur. An. Acad. Bras. Ciênc., Sept 2007, vol.79, no.3, p.529-541. ISSN 0001-3765 Abstract and Text

Campos, D.A.; Kellner, A.W.A.; Bertini, R.J. & Santucci, R.M. (2005) - On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional, 63(3):565-593.
Downloadable PDF

Candeiro, C. R. A. (2007) - Cretaceous biota of the Triângulo Mineiro region (Brazil): A review of recent finds / Biota cretácica de la región del Triângulo Mineiro (Brasil): Revisión de hallazgos recientes. Estudios Geológicos, 63 (1) Jan-Jun 2007, pgs. 65-73.

Coria R. A. & Currie P. J. (2006) — A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina. Geodiversitas 28 (1) : 71-118.

Kellner, A. W. A. (1996) - Fossilized theropod soft-tissue. Nature 379: 32.

Kellner, A.W.A. (1999) - Short note on a new dinosaur (Theropoda, Coelurosauria) from the Santana Formation (Romualdo Member, Albian), Northeastern brazil. Boletim do Museu Nacional (Rio de Janeiro, Brasil), N.S. No. 49: 8 p.

Kellner, A.W.A. and D.A. Campos. 1998. Archosaur soft Tissue from the Cretaceous of the Araripe Basin, Northeastern Brazil. Boletim do Museu Nacional, Geologia No. 42: 1-22.

Kellner, A.W.A.; Campos, D.A. & Trotta, M.N.F., 2005. Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional, 63(3):529-564.

Kellner, A. W. A., D. A. Campos, S. A. K. Azevedo, M. N. F. Trotta, D. D. R. Henriques, M. M. T. Craik and H. P. Silva (2006). On a new titanosaur sauropod from the Bauru Group, Late Cretaceous of Brazil. Bol. Mus. Nac., N.S., Geol., Rio de Janeiro, n.74, p.1-31, ago.2006

Downloadable PDF article

Kellner, Alexander W. A. and Campos, Diogenes A. Brief review of dinosaur studies and perspectives in Brazil. An. Acad. Bras. Ciênc., Dec. 2000, vol.72, no.4, p.509-538. ISSN 0001-3765. Downloadable Text and PDF

Kischlat, 1999. A new dinosaurian "rescued" from the Brazilian Triassic: Teyuwasu barbarenai, new taxon. Paleontologia em Destaque, Boletim Informativo da Sociedade Brasileira de Paleontologia 14(26) 58.

Langer, M.C., Ezcurra, M.D., Bittencourt, J.S., and F.E. Novas. 2009. The origin and early evolution of dinosaurs. Biological Reviews 84:1-56. doi:10.1111/j.1469-185X.2009.00094.x

Salgado, Leonardo; and Carvalho, Ismar de Souza (2008). Uberabatitan ribeiroi, a new titanosaur from the Marília Formation (Bauru Group, Upper Cretaceous), Minas Gerais, Brazil. Palaeontology 51 (4): 881-901.

Santucci, R. M. (2002). Revisão dos titanosaurideos do Cretáceo Superior do Brasil. Master Dissertation. Universidade Estadual Paulista/Rio Claro, 179 p.

Spondylosoma absconditum

Spondylosoma absconditum Von Huene, 1942

Staurikosaurus pricei


Staurikosaurus pricei Colbert, 1970

Place: Santa Maria Formation, Rio Grande do Sul State;
Time: Carnian, Late Triassic;
Art: Jan Sovák.

"Antarctosaurus" brasiliensis


Antarctosaurus brasiliensis Arid & Vizotto, 1972
= Antarctosaurus wichmannianus (Huene, 1929)
Place: Bauru Basin
Time: Maastrichtian, Late Cretaceous
Art: Sergej Gavriloff

Angaturama limai


Angaturama limai Kellner & Campos, 1996

Irritator challengeri


Irritator challengeri Martill, Cruickshank, Frey, Small & Clarke, 1996

Place: Romualdo Member, Santana Formation, Ceará State
Time: Aptian, Early Cretaceous
Taxonomy: Saurischia, Theropoda, Tetanurae, Spinosauroidea
Etymology: From Latin irritator, "irritating". Specific name honours Professor Challenger, character in Arthur Conan Doyle's Lost World.
Art: Andrey Atuchin
Description: It and Angaturama limai may represent the same species.

Santanaraptor placidus

Santanaraptor placidus Kellner, 1999

Place: Santana Formartion, Romualdo Member, Ceará State
Time: Albian, Early Cretaceous
Size: 1,25 meter-long
Etymology
: Santana's plunderer
Taxonomy: Saurischia, Theropoda, Tetanurae, Coelurosauria
References:
Kellner, A. W. A. 1996. Fossilized theropod soft-tissue. Nature 379: 32.

Kellner, A.W.A. and D.A. Campos. 1998. Archosaur soft Tissue from the Cretaceous of the Araripe Basin, Northeastern Brazil. Boletim do Museu
Nacional, Geologia No. 42: 1-22.

Kellner, A.W.A. 1999. Short note on a new dinosaur (Theropoda, Coelurosauria) from the Santana Formation (Romualdo Member, Albian),
Northeastern brazil. Boletim do Museu Nacional (Rio de Janeiro, Brasil), N.S. No. 49: 8 p.

Gondwanatitan faustoi


Gondwanatitan faustoi Kellner & Azevedo, 1999

Art: Yasuko Okamoto [1]


[1] Kellner, A.W.A., Schwanke, C. e Campos, D.A. O Brasil no tempo dos dinossauros , 1999), in http://cienciahoje.uol.com.br/4159
[2] Calvo, J.O.; González-Riga, B.J.; and Porfiri, J.D. (2007) "Muyelensaurus pecheni gen. et sp. nov., a new titanosaur sauropod from the Late Cretaceous of Neuquén, Patagonia, Argentina." Arquivos do Museu Nacional, Rio de Janeiro 65(4):485-504 PDF

Saturnalia tupiniquim

Saturnalia tupiniquim Langer et alii, 1999

Guaibasaurus candelariensis

Guaibasaurus candelariensis Bonaparte, Ferigolo & Ribeiro, 1999

Time: Late Triassic;
Place: Caturrita Formation, Rio Grande do Sul State;

Teyuwasu barbarenai

Teyuwasu barbarenai Kischlat, 1999

Place: Santa Maria Formation, Rio Grande do Sul State
Time:
Carnian, Late Triassic
Etymology:
From Tupi teyu "lizard" and wasu "big". The specific name honours paleontologist M. C. Barbarena.
References
:
Kischlat, 1999. A new dinosaurian "rescued" from the Brazilian Triassic: Teyuwasu barbarenai, new taxon. Paleontologia em Destaque, Boletim Informativo da Sociedade Brasileira de Paleontologia 14(26) 58.

Description:
The current status is still disputed, it can be a basal dinosaur, a basal saurischian or a thecodont.

Pycnonemosaurus nevesi


Pycnonemosaurus nevesi Kellner & Campos, 2002

Place: Bauru Basin, Fazenda Roncador, Mato Grosso State;
Time: Late Cretaceous;
Size: 3-4 meters-tall, 6-7 meters-long, about 2 tons.
Etymology: From Greek pyknos "dense, thick" and Latin nemus "woodland, forest", translating the Portuguese name of the State of Mato Grosso, "dense wood, dense bush".
Art: Maurílio de Oliveira

Amazonsaurus maranhensis

Amazonsaurus maranhensis Carvalho, Ávila & Salgado, 2003

Place: Alcântara Formation, Itapecuru Group, Parnaíba Basin, Itapecuru-Mirim, Maranhão State
Time: Aptian-Albian, Early Cretaceous;
Size: -;
Taxonomy: Saurischia, Sauropodomorpha, Sauropoda, Diplodocoidea.

Unaysaurus tolentinoi


Unaysaurus tolentinoi Leal, Azevedo, Kellner & da Rosa, 2004

Place: Caturrita Formatio (Santa Maria), Rio Grande do Sul State;
Time: Carnian-Norian, Triassic;
Size: 2.1 meters-long;
Taxonomy: Saurischia, Theropoda, Tetanurae, Coelurosauria, Compsognathidae.
Art (Modelling): Orlando Grillo

Mirischia asymmetrica

Mirischia asymmetrica Naish, Martill & Frey, 2004

Place: Santana Formation, Romualdo Member, Ceará State;
Time: Albian?, Early Cretaceous;
Size: 2.1 meters-long;
Taxonomy: Saurischia, Theropoda, Tetanurae, Coelurosauria, Compsognathidae.


Compsognathidae's possible Phylogeny
Orange: Europe
Yellow: Nuclear Asia (Angara)
Blue: South America

Adamantisaurus mezzalirai

Adamantisaurus mezzalirai Santucci, Miloni & Bertini, 2006

Place: Adamantina Formation
Time: Maastrichtian, Late Cretaceous

Baurutitan britoi

Baurutitan britoi Kellner, Campos & Trotta, 2006

Place: Marília Formation, Uberaba, Minas Gerais State
Time: Late Cretaceous
Taxonomy: Saurischia, Sauropodomorpha, Sauropoda, Neosauropoda, Titanosauria, Titanosauridae
Etymology: The titan from Bauru, with "titan" meaning titanosaur. The specific name honours Ignacio Aureliano Machado Brito (1938-2001), an important Brazilian paleontologist.
References:
Kellner, A.W.A.; Campos, D.A. & Trotta, M.N.F., 2005. Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional, 63(3):529-564. Downloadable PDF

Description:
A new titanosaurid, Baurutitan britoi n. gen., n. sp., is described and compared with other taxa
of that sauropod clade. The specimen (MCT 1490-R) consists of the last sacral followed by a sequence of 18 caudal vertebrae that were found in the continental deposits of the Late Cretaceous Bauru Group that outcrop at the Peirópolis region, near the town of Uberaba, State of Minas Gerais, Brazil. This new taxon is distinguished from other titanosaurians by several features, including subrectangular to square outline of the anterior articulation surface of the anterior and middle caudals, strongly pointed laterally directed process intercepting the spinoprezygapophyseal lamina in caudal 1; dorsal prezygapophyseal tuberosity on the lateral margin of the prezygapophyses of caudals 2-4, that smoothens out in midcaudals. This material
demonstrates that the horizontal ridge present in middle and posterior caudals of some titanosaurs, in Baurutitan britoi is homologous with a dorsal tuberosity and not with the transverse process.

Trigonosaurus pricei


Trigonosaurus pricei Kellner, Bertini & Santucci, 2006

Place: Marilia Formation, Peirópolis, Minas Gerais State
Time: Late Cretaceous
Etymology:
Art (Modelling)
: Maurílio de Oliveira
References:
CAMPOS, D.A.; KELLNER, A.W.A.; BERTINI, R.J. & SANTUCCI, R.M., 2005. On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru Group, Late Cretaceous of Brazil.
Arquivos do Museu Nacional, 63(3):565-593. Downloadable PDF
Description:
A new titanosaurid dinosaur from the Late Cretaceous continental deposits of the Bauru Group
is described. Trigonosaurus pricei n.gen., n.sp., is based on two specimens, both collected at the Caieira Quarry near Peirópolis, Minas Gerais. The holotype consists of the five most posterior cervical vertebrae, 10 dorsals, six sacrals and the left ilium (MCT 1488-R). The second specimen (paratype) consists of 10 caudal vertebrae that according to a quarry map, were found isolated but show a similar morphology and compatible size suggesting that they belonged to one individual (MCT 1719-R). Trigonosaurus pricei is diagnosed by a combination of characters such as elongated cervicals and middorsals, dorsal vertebrae 9 and 10 with incipient postzygodiapophyseal lamina and transverse processes well developed throughout the sequence formed by anterior and medial caudals. The occurrence of this new taxon indicates a higher diversity of titanosaurids in the Brazil during the Cretaceous period.

quinta-feira, 17 de julho de 2008

Maxakalisaurus topai


Maxakalisaurus topai Kellner, Campos, Azevedo, Trotta, Henriques, Craik & Silva, 2006

Place: Adamantina Formation, Serra da Boa Vista, Minas Gerais State;
Time: Maastrichtian, Late Cretaceous;
Size: 13 meters-long;
Taxonomy: Saurischia, Sauropodomorpha, Sauropoda, Titanosauria, Saltasauridae;
Etymology: from Maxakali, ethnic group present in the Minas Gerais State where this fossil was found. The specific name is from Topa, a deity worshiped by the Maxakali people.
Art: Orlando Grillo (right)
References:
Kellner, A. W. A., D. A. Campos, S. A. K. Azevedo, M. N. F. Trotta, D. D. R. Henriques, M. M. T. Craik and H. P. Silva (2006). On a new titanosaur sauropod from the Bauru Group, Late Cretaceous of Brazil. Bol. Mus. Nac., N.S., Geol., Rio de Janeiro, n.74, p.1-31, ago.2006

Description:
It is the biggest dinosaur found in Brasil, a titanosaur characterized by the following combination of features: tail composed of anterior and midposterior caudal vertebrae with the anterior (and posterior) surface of the centrum dorsoventrally compressed; midposterior caudal vertebrae with the lateral surface of the centrum strongly concave (spool-shaped); dorsal margin of neural spine in midposterior caudal vertebrae inclined anteriorly; presence of at least one midposterior caudal with biconvex centrum; metacarpal IV about 12% shorter than metacarpal II; sacral centrum with keel-shaped ventral surface. Associated material – The distal end of a right scapula (MN 7048-V) and two sternal plates (MN 7049-V and MN 7050-V) of a second animal attributed to Maxakalisaurus
topai, one caudal vertebra (MN 7051-V) that may or not pertain to this species, and crocodylomorph and theropod teeth.

Sacisaurus agudoensis

Sacisaurus agudoensis Ferigolo & Langer, 2006

Don't forget to read this note

This blogger is not a professional paleontologist, and this blog represents an amateur attempt to gather information about Brazilian dinosaurs. If you find any mistake or want to sugest some updating, send an e-mail to josimo70@yahoo.com.br with Brasilosaurus as subject.

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