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Rosario do Sul - Santa Maria - Alemoa, Rio Grande do Sul, Brazil

GroupRosario do Sul
FormationSanta Maria
MemberAlemoa
Age:237 - 209 Ma
Late/Upper Triassic
IntervalCarnian - Norian
Lithologymudstone, siltstone, sandstone, sandstone/siltstone, mudstone/sandstone, claystone
Number of Collections41
Number of Occurrences87

Recorded Sample Locations

LocationRegionStratigraphic Name
Therioherpeton siteSanta Maria, Rio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Wald-SangaSanta Maria, Rio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Scaphonyx typeSanta Maria, Rio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Wald SangaSanta Maria, Rio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Predebon outcrop Rio Grande do Sul, BrazilRosário do Sul - Santa Maria - Alemoa
Inhamandá 1Rio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Sanga PinheirosRio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Sítio CortadoRio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Sítio JannerRio Grande do Sul, BrazilRosário do Sul - Santa Maria - Alemoa
Sanga 6 Santa Maria, Rio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Posto de GasolinaRio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Posto de GasolinaRio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa
Exaeretodon siteRio Grande do Sul, BrazilRosário do Sul - Santa Maria - Alemoa
Buriol outcropRio Grande do Sul, BrazilRosario do Sul - Santa Maria - Alemoa

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Santa Maria228 - 201 Ma
Mesozoic
sandstone/conglomerate, sandstone/siltstone, mudstone, sandstone33
Rosario do Sul - Caturrita228 - 209 Ma
Late/Upper Triassic
conglomerate/"shale", sandstone, siltstone/sandstone, conglomerate/sandstone, sandstone/siltstone, sandstone/claystone, mudstone, mudstone/sandstone43

Recorded Fossils

Accepted NameHierarchyAge
Arenicolites sp.
genus
6Arenicolites237 - 208.5 Ma
Late/Upper Triassic
Skolithos sp.
genus
6Skolithos237 - 228 Ma
Late/Upper Triassic
Cynodontia
family
5Animalia : Chordata : Cynodontia242 - 237 Ma
Middle Triassic
Dicynodontidae
family
5Animalia : Chordata : Osteichthyes : Cotylosauria : Dicynodontidae242 - 237 Ma
Middle Triassic
Alemoatherium huebneri
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Alemoatherium : Alemoatherium huebneri237 - 208.5 Ma
Late/Upper Triassic
Prozostrodon brasiliensis
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Prozostrodon : Prozostrodon brasiliensis237 - 208.5 Ma
Late/Upper Triassic
Therioherpeton cargnini
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Therioherpeton : Therioherpeton cargnini237 - 208.5 Ma
Late/Upper Triassic
Trucidocynodon riograndensis
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Trucidocynodon : Trucidocynodon riograndensis237 - 208.5 Ma
Late/Upper Triassic
Dinodontosaurus pedroanum
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Stahleckeriidae : Dinodontosaurus : Dinodontosaurus pedroanum242 - 237 Ma
Middle Triassic
Charruodon tetracuspidatus
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Therioherpetidae : Charruodon : Charruodon tetracuspidatus237 - 208.5 Ma
Late/Upper Triassic
Exaeretodon riograndensis
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Traversodontidae : Exaeretodon : Exaeretodon riograndensis237 - 208.5 Ma
Late/Upper Triassic
Gomphodontosuchus sp.
genus
6Animalia : Chordata : Osteichthyes : Cotylosauria : Traversodontidae : Gomphodontosuchus237 - 208.5 Ma
Late/Upper Triassic
Gomphodontosuchus brasiliensis
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Traversodontidae : Gomphodontosuchus : Gomphodontosuchus brasiliensis237 - 208.5 Ma
Late/Upper Triassic
Massetognathus ochagaviae
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Traversodontidae : Massetognathus : Massetognathus ochagaviae242 - 237 Ma
Middle Triassic
Protuberum cabralensis
species
7Animalia : Chordata : Osteichthyes : Cotylosauria : Traversodontidae : Protuberum : Protuberum cabralensis242 - 237 Ma
Middle Triassic
Compsocerops sp.
genus
6Animalia : Chordata : Osteichthyes : Temnospondyli : Chigutisauridae : Compsocerops237 - 208.5 Ma
Late/Upper Triassic
Ixalerpeton polesinensis
species
7Animalia : Chordata : Reptilia : Lagerpetonidae : Ixalerpeton : Ixalerpeton polesinensis237 - 208.5 Ma
Late/Upper Triassic
Aetosauroides scagliai
species
7Animalia : Chordata : Reptilia : Stagonolepididae : Aetosauroides : Aetosauroides scagliai237 - 208.5 Ma
Late/Upper Triassic
Barberenasuchus brasiliensis
species
7Animalia : Chordata : Reptilia : Crocodylia : Barberenasuchus : Barberenasuchus brasiliensis242 - 237 Ma
Middle Triassic
Decuriasuchus quartacolonia
species
7Animalia : Chordata : Reptilia : Decuriasuchus : Decuriasuchus quartacolonia242 - 237 Ma
Middle Triassic
Dinosauria
order
4Animalia : Chordata : Reptilia : Dinosauria237 - 208.5 Ma
Late/Upper Triassic
Dinosauriformes
unranked clade
99Animalia : Chordata : Reptilia : Eosuchia : Lagosuchus : Dinosauriformes237 - 208.5 Ma
Late/Upper Triassic
Hoplitosuchus raui
species
7Animalia : Chordata : Reptilia : Hoplitosuchus : Hoplitosuchus raui237 - 208.5 Ma
Late/Upper Triassic
Procerosuchus sp.
genus
6Animalia : Chordata : Reptilia : Procerosuchus237 - 208.5 Ma
Late/Upper Triassic
Rhynchosauria
order
4Animalia : Chordata : Reptilia : Rhynchosauria237 - 208.5 Ma
Late/Upper Triassic
Cerritosaurus binsfeldi
species
7Animalia : Chordata : Reptilia : Crocodylia : Proterochampsidae : Cerritosaurus : Cerritosaurus binsfeldi237 - 208.5 Ma
Late/Upper Triassic
Proterochampsa nodosa
species
7Animalia : Chordata : Reptilia : Crocodylia : Proterochampsidae : Proterochampsa : Proterochampsa nodosa237 - 208.5 Ma
Late/Upper Triassic
Rhadinosuchus gracilis
species
7Animalia : Chordata : Reptilia : Crocodylia : Proterochampsidae : Rhadinosuchus : Rhadinosuchus gracilis237 - 208.5 Ma
Late/Upper Triassic
Rauisuchus tiradentes
species
7Animalia : Chordata : Reptilia : Crocodylia : Rauisuchidae : Rauisuchus : Rauisuchus tiradentes237 - 208.5 Ma
Late/Upper Triassic
Hyperodapedon sp.
genus
6Animalia : Chordata : Reptilia : Rhynchosauria : Rhynchosauridae : Hyperodapedon237 - 208.5 Ma
Late/Upper Triassic
Hyperodapedon huenei
species
7Animalia : Chordata : Reptilia : Rhynchosauria : Rhynchosauridae : Hyperodapedon : Hyperodapedon huenei237 - 208.5 Ma
Late/Upper Triassic
Hyperodapedon mariensis
species
7Animalia : Chordata : Reptilia : Rhynchosauria : Rhynchosauridae : Hyperodapedon : Hyperodapedon mariensis237 - 208.5 Ma
Late/Upper Triassic
Hyperodapedon sanjuanensis
species
7Animalia : Chordata : Reptilia : Rhynchosauria : Rhynchosauridae : Hyperodapedon : Hyperodapedon sanjuanensis237 - 208.5 Ma
Late/Upper Triassic
Aetobarbakinoides brasiliensis
species
7Animalia : Chordata : Reptilia : Stagonolepididae : Aetobarbakinoides : Aetobarbakinoides brasiliensis237 - 208.5 Ma
Late/Upper Triassic
Aetosaurinae
subfamily
5.3Animalia : Chordata : Reptilia : Eosuchia : Stagonolepididae : Argentinosuchus : Aetosaurinae237 - 208.5 Ma
Late/Upper Triassic
Polesinesuchus aurelioi
species
7Animalia : Chordata : Reptilia : Stagonolepididae : Polesinesuchus : Polesinesuchus aurelioi237 - 208.5 Ma
Late/Upper Triassic
Procolophonoidea
superfamily
4.7Animalia : Chordata : Reptilia : Procolophonoidea242 - 237 Ma
Middle Triassic
Candelaria barbouri
species
7Animalia : Chordata : Reptilia : Owenettidae : Candelaria : Candelaria barbouri242 - 237 Ma
Middle Triassic
Grallator (Eubrontes) sp.
subgenus
6.3Animalia : Chordata : Saurischia : Eubrontidae : Grallator (Eubrontes)237 - 208.5 Ma
Late/Upper Triassic
Staurikosaurus pricei
species
7Animalia : Chordata : Reptilia : Dinosauria : Herrerasauridae : Staurikosaurus : Staurikosaurus pricei237 - 208.5 Ma
Late/Upper Triassic
Bagualosaurus agudoensis
species
7Animalia : Chordata : Saurischia : Bagualosaurus : Bagualosaurus agudoensis237 - 208.5 Ma
Late/Upper Triassic
Buriolestes schultzi
species
7Animalia : Chordata : Saurischia : Buriolestes : Buriolestes schultzi237 - 208.5 Ma
Late/Upper Triassic
Pampadromaeus barberenai
species
7Animalia : Chordata : Saurischia : Pampadromaeus : Pampadromaeus barberenai237 - 208.5 Ma
Late/Upper Triassic
Saturnalia tupiniquim
species
7Animalia : Chordata : Saurischia : Saturnalia : Saturnalia tupiniquim237 - 208.5 Ma
Late/Upper Triassic
Ascarites rufferi
species
7Animalia : Nematoda : Enoplea : Rhabditida : Ascarididae : Ascarites : Ascarites rufferi242 - 237 Ma
Middle Triassic
Paleoxyuris cockburni
species
7Animalia : Nematoda : Oxyurida : Heteroxynematidae : Paleoxyuris : Paleoxyuris cockburni242 - 237 Ma
Middle Triassic

References

Woodward A. S. (1907) On some fossil reptilian bones from the state of Rio Grande do Sul, Revista do Museu Paulista 7, 46-57
Huene F. v. (1936) Lieferung 2. Cynodontia [Part 2. Cynodontia], Die Fossilen Reptilien des Südamerikanischen Gondwanalandes. Ergebnisse der Sauriergrabungen in Südbrasilien 1928/29 [The Fossil Reptiles of South American Gondwanaland. Results of the Dinosaur Expeditions in southern Brazil 1928/29]. C. H. Beck'sche Verlagsbuchhandlung, München, 83-160
Huene F. v. (1942) Lieferungen 3/4. Pseudosuchia, Saurischia, Rhynchosauridae und Schlussabschnitt [Parts 3/4. Pseudosuchia, Saurischia, Rhynchosauridae, and Conclusions], Die Fossilen Reptilien des Südamerikanischen Gondwanalandes. Ergebnisse der Sauriergrabungen in Südbrasilien 1928/29 [The Fossil Reptiles of South American Gondwanaland. Results of the Dinosaur Expeditions in southern Brazil 1928/29]. C. H. Beck'sche Verlagsbuchhandlung, München, 161-332
Bonaparte J. F., Barbarena M. C. (1975) A possible mammalian ancestor from the Middle Triassic of Brazil (Therapsida-Cynodontia), Journal of Paleontology 49 5, 931-936
Mattar L. C. B. (1987) Sobre Barberenasuchus brasiliensis gen. et sp. nov., do Mesotriássico do Rio Grande do Sul, Brasil. I. Diagnoses genérica e específica [On Barberenasuchus brasiliensis gen. et sp. nov., from the Middle Triassic of Rio Grande do Sul, Brazil. I. Generic and specific diagnoses, Anais do X Congresso Brasileiro de Paleontologia, Rio de Janeiro, 19-25 de Julho, 1987 1, 77-84
Langer M. C., Abdala F., et al (1999) A sauropodomorph dinosaur from the Upper Triassic (Carnian) of southern Brazil, Comptes Rendus de l'Academie des Sciences, Paris: Sciences de la terre et des planètes 329, 511-517
Langer M. C., Schultz C. L. (2000) A new species of the Late Triassic rhynchosaur Hyperodapedon from the Santa Maria Formation of south Brazil, Palaeontology 43 4, 633-652
Abdala F., Ribeiro A. M. (2000) A new therioherpetid cynodont from the Santa Maria Formation (middle Late Triassic), southern Brazil, Geodiversitas 22 4, 589-596
Bonaparte J. F., Barberena M. C. (2001) On two advanced carnivorous cynodonts from the Late Triassic of Southern Brazil, Bulletin of the Museum of Comparative Zoology 156, 59-80
Abdala F., Barberena M. C., et al (2002) A new species of the traversodontid cynodont Exaeretodon from the Santa Maria Formation (Middle/Late Triassic) of southern Brazil, Journal of Vertebrate Paleontology 22 2, 313-325
da Rosa A. A. S., Schwanke C., et al (2004) “Sítio Cortado” - uma nova assembléia fossilífera para o Triássico Médio do sul do Brasil, Revista Brasileira de Paleontologia 7, 289-300
Cisneros J. C., Damiani R., et al (2004) A procolophonoid reptile with temporal fenestration from the Middle Triassic of Brazil, Proceedings of the Royal Society of London, Series B 271, 1541-1546
Langer M. C. (2005) Studies on continental Late Triassic tetrapod biochronology. I. The type locality of Saturnalia tupiniquim and the faunal succession in south Brazil, Journal of South American Earth Sciences 19, 205-218
de Oliveira T. V., Schultz C. L., et al (2007) O esqueleto pós-craniano de Exaeretodon riograndensis Abdala et al. (Cynodontia, Traversodontidae), Triássico do Brasil, Revista Brasileira de Paleontologia 10, 79-94
Langer M. C., Ribeiro A. M., et al (2007) The continental tetrapod-bearing Triassic of south Brazil, The Global Triassic, New Mexico Museum of History and Science Bulletin 41, 201-218
da Silva R. C., Carvalho I. d. S., et al (2008) Pegadas de dinossauros do Triássico (Formação Santa Maria) do Brasil [Dinosaur footprints from the Triassic (Santa Maria Formation) of Brazil], Ameghiniana 45 4, 783-790
Reichel M., Schultz C. L., et al (2009) A new traversodontid cynodont (Therapsida, Eucynodontia) from the Middle Triassic Santa Maria Formation of Rio Grande do Sul, Brazil, Palaeontology 52, 229-250
Oliveira T. V. de., Soares M. B., et al (2010) Trucidocynodon riograndensis gen. nov. et sp. nov. (Eucynodontia), a new cynodont from the Brazilian Upper Triassic (Santa Maria Formation), Zootaxa 2382, 1-71
Montefeltro F. C., Langer M. C., et al (2010) Cranial anatomy of a new genus of hyperodapedontine rhynchosaur (Diapsida, Archosauromorpha) from the Upper Triassic of southern Brazil, Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101, 27-52 doi:10.1017/S1755691010009060
Franca M. A. G., Ferigolo J., et al (2011) Associated skeletons of a new middle Triassic “Rauisuchia” from Brazil, Naturwissenschaften 98, 389-395 doi:10.1007/s00114-011-0782-3
Desojo J. B., Ezcurra M. D. (2011) A reappraisal of the taxonomic status of Aetosauroides (Archosauria, Aetosauria) specimens from the Late Triassic of South America and their proposed synonymy with Stagonolepis, Journal of Vertebrate Paleontology 31 3, 596-609
Cabreira S. F., Schultz C. L., et al (2011) New stem-sauropodomorph (Dinosauria, Saurischia) from the Triassic of Brazil, Naturwissenschaften 98 12, 1035-1040 doi:10.1007/s00114-011-0858-0
Dias-da-Silva S., Sengupta D. P., et al (2012) The presence of Compsocerops (Brachyopoidea: Chigutisauridae) (Late Triassic) in southern Brazil with comments on chigutisaurid palaeobiogeography, Palaeontology 55 1, 163-172
Desojo J. B., Ezcurra M. D., et al (2012) A new aetosaur genus (Archosauria: Pseudosuchia) from the early Late Triassic of southern Brazil, Zootaxa 3166, 1-33
Trotteyn M. J., Arcucci A. B., et al (2013) Proterochampsia: an endemic archosauriform clade from South America, Anatomy, Phylogeny and Palaeobiology of Early Archosaurs and their Kin 379
Da Silva P. A., Borba V. H., et al (2014) A new ascarid species in cynodont coprolite dated of 240 million years, Anais da Academia Brasileira de Ciências 86, 265-269
Hugot J. P., Gardner S. L., et al (2014) Discovery of a 240 million year old nematode parasite egg in a cynodont coprolite sheds light on the early origin of pinworms in vertebrates, Parasites and Vectors 7 486, 1-8
Müller R. T., Langer M. C., et al (2014) New dinosauriform (Ornithodira, Dinosauromorpha) record from the Upper Triassic of southern Brazil, Paleontological Research 18 2, 118-121
Roberto-da-Silva L., Desojo J. B., et al (2014) A new aetosaur from the Upper Triassic of the Santa Maria Formation, southern Brazil, Zootaxa 3764 3, 240-278
Pavanatto A. E. B., Müller R. T., et al (2015) New information on the postcranial skeleton of Massetognathus ochagaviae\r\nBarberena, 1981 (Eucynodontia, Traversodontidae), from the Middle Triassic of Southern Brazil, Historical Biology 28 7, 978-989 doi:10.1080/08912963.2015.1070148
Pretto F. A., Schultz C. L., et al (2015) New dinosaur remains from the Late Triassic of southern Brazil (Candelária Sequence, Hyperodapedon Assemblage Zone), Alcheringa 39, 264-273
Müller R. T., Langer M. C., et al (2015) The femoral anatomy of Pampadromaeus barberenai based on a new specimen from the Upper Triassic of Brazil, Historical Biology
Cabreira S. F., Kellner A. W. A., et al (2016) A Unique Late Triassic Dinosauromorph Assemblage Reveals Dinosaur Ancestral Anatomy and Diet, Current Biology 26 22, 3090-3095 doi:10.1016/j.cub.2016.09.040
Martinelli A. G., Eltink E., et al (2017) A new cynodont from the Santa Maria Formation, South Brazil, improves Late Triassic probainognathian diversity, Papers in Palaeontology 3 3, 401-423
Pretto F. A., Langer M. C., et al (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 doi:10.1093/zoolinnean/zly028/5003418
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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