{{italictitle}}
{{italictitle}}
{{Taxobox
| name =
Guaibasaurus
| fossil_range =
Late TriassicThe Late Triassic is in the geologic timescale the third and final of three epochs of the Triassic period. The corresponding series is known as the Upper Triassic. In the past it was sometimes called the Keuper, after a German lithostratigraphic group that has a roughly corresponding age...
| image = MUSEU4X.JPG
| image_width = 250px
| image_caption =
Guaibasaurus fossil skeleton.
| regnum =
AnimalAnimals are a major group of mostly multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously...
ia
| phylum = Chordata
| classis =
SauropsidaReptiles, or members of the class Reptilia, are air-breathing, generally "cold-blooded" amniotes that generally have skin covered in scales or scutes. They are tetrapods and lay amniote eggs, whose embryos are surrounded by the amnion membrane...
| superordo =
Dinosaur{{Otheruses}}{{pp-semi-protected|small=yes}}{{Otheruses}}{{pp-semi-protected|small=yes}}{{Taxobox|name = Dinosaurs|fossil_range = {{Fossil range|230|65|earliest=230|latest=0|PS=
Descendant taxon Aves survives to present.}}|image = field_dinos_2.jpg...
ia
| ordo =
SaurischiaSaurischia is one of the two orders, or basic divisions, of dinosaurs. In 1888, Harry Seeley classified dinosaurs into two orders, based on their hip structure...
| familia =
GuaibasauridaeGuaibasauridae is a family of primitive saurischian dinosaurs, known from fossil remains of late Triassic period formations in Brazil and Argentina....
| genus =
Guaibasaurus
| genus_authority =
BonaparteJosé Fernando Bonaparte, Ph.D. , is an Argentine paleontologist who discovered a plethora of South American dinosaurs and mentored a new generation of Argentine paleontologists like Rodolfo Coria...
et al., 1999
| subdivision_ranks =
SpeciesIn biology, a species is:* a taxonomic rank or* a unit at that rank ....
| subdivision =
G.
{{italictitle}}
{{italictitle}}
{{Taxobox
| name =
Guaibasaurus
| fossil_range =
Late TriassicThe Late Triassic is in the geologic timescale the third and final of three epochs of the Triassic period. The corresponding series is known as the Upper Triassic. In the past it was sometimes called the Keuper, after a German lithostratigraphic group that has a roughly corresponding age...
| image = MUSEU4X.JPG
| image_width = 250px
| image_caption =
Guaibasaurus fossil skeleton.
| regnum =
AnimalAnimals are a major group of mostly multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously...
ia
| phylum = Chordata
| classis =
SauropsidaReptiles, or members of the class Reptilia, are air-breathing, generally "cold-blooded" amniotes that generally have skin covered in scales or scutes. They are tetrapods and lay amniote eggs, whose embryos are surrounded by the amnion membrane...
| superordo =
Dinosaur{{Otheruses}}{{pp-semi-protected|small=yes}}{{Otheruses}}{{pp-semi-protected|small=yes}}{{Taxobox|name = Dinosaurs|fossil_range = {{Fossil range|230|65|earliest=230|latest=0|PS=
Descendant taxon Aves survives to present.}}|image = field_dinos_2.jpg...
ia
| ordo =
SaurischiaSaurischia is one of the two orders, or basic divisions, of dinosaurs. In 1888, Harry Seeley classified dinosaurs into two orders, based on their hip structure...
| familia =
GuaibasauridaeGuaibasauridae is a family of primitive saurischian dinosaurs, known from fossil remains of late Triassic period formations in Brazil and Argentina....
| genus =
Guaibasaurus
| genus_authority =
BonaparteJosé Fernando Bonaparte, Ph.D. , is an Argentine paleontologist who discovered a plethora of South American dinosaurs and mentored a new generation of Argentine paleontologists like Rodolfo Coria...
et al., 1999
| subdivision_ranks =
SpeciesIn biology, a species is:* a taxonomic rank or* a unit at that rank ....
| subdivision =
G. candelariensis Bonaparte et al., 1999 (typeIn taxonomy, a type species is a technical phrase, involved in the application of formal names...
)
}}
Guaibasaurus (meaning "Guaiba lizard") was a basal
SaurischiaSaurischia is one of the two orders, or basic divisions, of dinosaurs. In 1888, Harry Seeley classified dinosaurs into two orders, based on their hip structure...
n
dinosaur{{Otheruses}}{{pp-semi-protected|small=yes}}{{Otheruses}}{{pp-semi-protected|small=yes}}{{Taxobox|name = Dinosaurs|fossil_range = {{Fossil range|230|65|earliest=230|latest=0|PS=
Descendant taxon Aves survives to present.}}|image = field_dinos_2.jpg...
genusIn biology, a genus is a taxonomic unit used in the classification of living and fossil organisms. The term comes from Latin genus "descent, family, type, gender" , cognate with – genos, "race, stock, kin" ..In addition, genus is a taxonomic rank in the hierarchy In biology, a genus (plural:...
which lived during the
TriassicThe Triassic is a geologic period and system that extends from about 251 to 199 Ma . As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic are marked by major extinction events...
period. Its fossils were found in the
geoparkA Geopark is defined by the United Nations Educational, Scientific and Cultural Organization in its UNESCO Geoparks International Network of Geoparks programme as follows:...
of
PaleorrotaPaleorrota , is a geopark located in the center of the Brazilian state of Rio Grande do Sul. The rocks and fossils found along the route date back to the times when there was only one supercontinent Pangaea....
,
Rio Grande do SulRio Grande do Sul is the southernmost State of Brazil, and the State with the fourth highest Human Development Index in the country. In Rio Grande do Sul we can find the most southern city of the country, Chuí, on the border with Uruguay...
,
BrazilBrazil , officially the Federative Republic of Brazil , is a country in South America. It is the fifth largest country by geographical area, occupying nearly half of South America, the fifth most populous country, and the fourth most populous democracy in the world. Bounded by the Atlantic Ocean...
. Like
HerrerasaurusHerrerasaurus was one of the earliest dinosaurs. All known specimens of this carnivore have been discovered in rocks of early Carnian age in northwestern Argentina...
, this dinosaur had three full fingers and two vestigial ones on each hand. The
type speciesIn taxonomy, a type species is a technical phrase, involved in the application of formal names...
,
G. candelariai, was described by
Jose BonaparteJosé Fernando Bonaparte, Ph.D. , is an Argentine paleontologist who discovered a plethora of South American dinosaurs and mentored a new generation of Argentine paleontologists like Rodolfo Coria...
and J. Ferigolo in 1999.
External links
{{portalpar|Dinosaurs}}