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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
Wanneer het dit geleef?
Hoe groot was dit?
Hoe lank was dit?
so lank soos 4 honde van neus tot stert🍌so lank soos 22 piesangs punt aan punt🏊kon die lengte van 'n groot swembad (50 m) in 6,2 sekondes swemHoe groot was Acostasaurus vergeleke met JOU?
Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.
Hoe vinnig was dit?
Prettige feite
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
Mees gevraagde vrae oor 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
Vir dino-kenners
- Wetenskaplike naam
- Acostasaurus
- Benoem deur
- Gomez-Perez and Noe 20114
- Groep
- Plesiosourusse
- Familie / klade
- Pliosauridae4
- Klassifikasie
- Plesiosauria > Pliosauridae > Sauropterygia4
- Ouderdom van die rotse
- 126 tot 121 miljoen jaar (Barremian)4
- Rotsformasies
- Paja4
- Lande
- Colombia4
- Fossielrekords
- 1 in The Paleobiology Database4
- Ontdekking
- 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
- Steeds omstrede
- Scientists are not sure whether Acostasaurus belongs to the brachauchenine group of pliosaurs, because its teeth are different from theirs.1
Waar die feite vandaan kom
- 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): ouderdom, plekke, rotsformasies, klassifikasie.
Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dino-aanhangers, nie 'n wetenskapjoernaal nie. Laat weet ons by [email protected] en ons maak dit reg.
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