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Acostasaurus
Acostasaurus was a fierce marine reptile that swam in the warm seas of Colombia about 125 million years ago. It had a big head, sharp teeth, and flippers to paddle through the water. Even though it was not a dinosaur, it was a top predator in its ocean home.1
Cando viviu?
Como era de grande?
Canto medía de longo?
tan longo coma 4 cans do fociño á cola🍌tan longo coma 22 plátanos postos un tras outro🏊podería nadar o longo dunha piscina grande (50 m) en 6,2 segundosComo era de grande Acostasaurus comparado CONTIGO?
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Que velocidade alcanzaba?
Datos curiosos
Acostasaurus had very large eye sockets and big scleral rings, which helped it see in deep or murky water.1
Its skull was short and wide in the front, unlike many other pliosaurs that had long snouts.1
The only known fossil is a nearly complete skull and parts of the body, including a whole hind flipper and many vertebrae.1
Acostasaurus lived during the Early Cretaceous, a time when few plesiosaur fossils are known, called the 'Lower Cretaceous Gap'.3
It had a short lower jaw joint area with only five and a half pairs of tooth sockets, which is unusual for a pliosaur.1
The specimen was a subadult, because some bones in its skull were not fully grown together.1
As preguntas máis frecuentes sobre Acostasaurus
?How big was Acostasaurus?
It was over 4 metres (13 feet) long. That is about as long as a small car.1
?Was Acostasaurus a dinosaur?
No, it was a marine reptile called a pliosaur, not a dinosaur. It lived in the ocean.1
?What did Acostasaurus eat?
It was a predator that ate other sea creatures. Its sharp teeth helped it catch prey.1
Para expertos en dinos
- Nome científico
- Acostasaurus
- Bautizado por
- Gomez-Perez and Noe 20114
- Grupo
- Plesiosauros
- Familia / clado
- Pliosauridae4
- Clasificación
- Plesiosauria > Pliosauridae > Sauropterygia4
- Idade das rochas
- de 126 a 121 millóns de anos (Barremian)4
- Formacións rochosas
- Paja4
- Países
- Colombia4
- Rexistros fósiles
- 1 na Paleobiology Database4
- Descubrimento
- Acostasaurus was named by Marcela Gómez Pérez and Leslie F. Noè in 2011, based on a fossil found in the Paja Formation of Colombia. The species name is Acostasaurus pavachoquensis.12
- Aínda en debate
- Scientists are not sure whether Acostasaurus belongs to the brachauchenine group of pliosaurs, because its teeth are different from theirs.1
De onde veñen os datos
- Acostasaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Cranial anatomy of a new pliosaurid Acostasaurus pavachoquensis from the Lower Cretaceous of Colombia, South America - Palaeontographica Abteilung A Band 310 Lieferung 1-2, Schweizerbart science publishers (schweizerbart.de)
- Acostasaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.
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