Morenosaurus
Morenosaurus was a huge marine reptile that swam in the seas near California about 70 million years ago. It had a very long neck and flippers like paddles, and it was not a dinosaur!1
Cando viviu?
Que velocidade alcanzaba?
Datos curiosos
The skeleton of Morenosaurus was fairly complete, but it was missing the head and parts of the neck and paddles.1
The preserved part of the trunk and tail is 3.63 metres (11.9 feet) long.1
Morenosaurus lived during the Maastrichtian age, about 72 to 66 million years ago.3
The type specimen is stored at the California Institute of Technology, but the mounted skeleton is now in the Natural History Museum of Los Angeles County.1
Morenosaurus belongs to a group called elasmosaurids, which were plesiosaurs with very long necks.1

Cazamitos
Mito: Some people think all marine reptiles from the dinosaur age were dinosaurs.
Verdade: Morenosaurus was a plesiosaur, a marine reptile, not a dinosaur. Dinosaurs lived on land.1
Para expertos en dinos
- Nome científico
- Morenosaurus
- Bautizado por
- Welles 19433
- Grupo
- Plesiosauros
- Familia / clado
- Elasmosauridae3
- Clasificación
- Plesiosauria > Elasmosauridae > Sauropterygia3
- Idade das rochas
- de 72 a 66 millóns de anos (Maastrichtian)3
- Formacións rochosas
- Moreno3
- Países
- EUA3
- Rexistros fósiles
- 2 na Paleobiology Database3
- Descubrimento
- The skeleton was found by Robert Wallace and Arthur Drescher in 1939 in the Panoche Hills, California. Samuel Welles named it Morenosaurus stocki in 1943, honoring Dr. Chester Stock.12
- Aínda en debate
- Scientists are not sure about the total length of Morenosaurus because the head and neck are missing from the fossil.1
De onde veñen os datos
- Morenosaurus (en.wikipedia.org)
- Dinosaur Institute Collections Details | NHM (collections.nhm.org)
- Morenosaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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