Brontosaurus
Brontosaurus excelsus
Brontosaurus foi um terópode herbívoro do Jurássico, descrito por Othniel Charles Marsh. Viveu há aproximadamente 152 milhões de anos, na região do que hoje é América do Norte (EUA). Medindo de 22.0 m, pesando 15 tons, era um representante característico da fauna mesozoica.
Brontosaurus ( BRON-tə-SOR-əs; literally 'thunder lizard', from the Greek words βροντή brontḗ, 'thunder', and σαῦρος saûros, 'lizard') is a genus of herbivorous sauropod dinosaur that lived in present-day United States during the Late Jurassic period. It was described by American paleontologist Othniel Charles Marsh in 1879, the type species being dubbed B. excelsus, based on a partial skeleton lacking a skull found in Como Bluff, Wyoming. In subsequent years, two more species of Brontosaurus were named: B. parvus in 1902 and B. yahnahpin in 1994. Brontosaurus lived about 156 to 146 million years ago (mya) during the Kimmeridgian and Tithonian ages in the Morrison Formation of what is now Utah and Wyoming. For decades, the animal was thought to have been a taxonomic synonym of its close relative Apatosaurus, but a 2015 study by Emmanuel Tschopp and colleagues found it to be distinct. It has seen widespread representation in popular culture, being the archetypal "long-necked" dinosaur in general media.
The anatomy of Brontosaurus is well known, with fossils demonstrating that it was large, long-necked, and quadrupedal with a long tail terminating in a whip-like structure. The cervical vertebrae are notably extremely robust and heavily built, in contrast to its lightly built relatives Diplodocus and Barosaurus. The forelimbs were short and stout whereas the hindlimbs were elongated and thick, supported respectively by a heavily built shoulder girdle and pelvis. Several size estimates have been made, with the largest species B. excelsus reaching up to 21–23 m (69–75 ft) from head to tail and weighing in at 15–20 t (17–22 short tons), whereas the smaller B. parvus only got up to 19 m (62 ft) long.…
- Família
- Diplodocidae
- Ordem
- Saurischia
- Período
- Jurassic (152 Ma)
- Dieta
- Herbivore
- Comprimento
- 22.0 m
- Peso
- 15 tons
Fatos científicos
- Com 22.0 m, estava entre os maiores animais terrestres já descobertos
- Herbívoro especializado do Jurássico, provavelmente pastava em vegetação de América do Norte (EUA)
- Seus fósseis foram encontrados na região de América do Norte (EUA), contribuindo para o entendimento da fauna jurássico local
- Foi descrito cientificamente por Othniel Charles Marsh, contribuindo para o entendimento da diversidade dinossauriana