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Portunatasaurus
Portunatasaurus was a small marine lizard that swam in warm seas during the time of the dinosaurs. It was only about 1 meter long, as long as a big skateboard, and had a long body and special flipper-like arms.12
Cando viviu?
Como era de grande?
Canto medía de longo?
tan longo coma 2 gatos domésticos do fociño á cola🍌tan longo coma 6 plátanos postos un tras outro🏊podería nadar o longo dunha piscina grande (50 m) en 15 segundosComo era de grande Portunatasaurus comparado CONTIGO?
Só son contas no teu navegador. Non se garda nin se envía nada.
Que velocidade alcanzaba?
Datos curiosos
Portunatasaurus had 10 small bones in its wrist, like land lizards, but also a flattened first finger bone like later sea lizards.2
Its arm was a mix between a walking leg and a swimming paddle, showing how lizards slowly turned into sea swimmers.2
The only skeleton found was almost complete from the neck to the hips, with a perfectly preserved right arm.2
It lived about 100 to 90 million years ago, during the Cenomanian and Turonian ages of the Late Cretaceous.3
Portunatasaurus is the third and youngest aigialosaur (a type of early marine lizard) found in Croatia.2
As preguntas máis frecuentes sobre Portunatasaurus
Para expertos en dinos
- Nome científico
- Portunatasaurus
- Bautizado por
- Campbell Mekarski et al. 20194
- Grupo
- Mosasauros
- Familia / clado
- Mosasauroidea4
- Clasificación
- Mosasauroidea4
- Idade das rochas
- de 100 a 90 millóns de anos (Cenomanian / Turonian)4
- Países
- Croacia4
- Rexistros fósiles
- 1 na Paleobiology Database4
- Descubrimento
- The skeleton was found in 2008 on the island of Dugi Otok in Croatia. Scientists Michelle Mekarski, Dražen Japundžić, Katarina Krizmanić and Michael Caldwell named it Portunatasaurus krambergeri in 2019.12
- Aínda en debate
- Scientists are still debating whether its paddle-like arm evolved earlier in mosasaur history or evolved more than once.2
De onde veñen os datos
- Portunatasaurus (en.wikipedia.org)
- Description of a new basal mosasauroid from the Late Cretaceous of Croatia, with comments on the evolution of the mosasauroid forelimb (exa.ai)
- PBDB Taxon (paleobiodb.org)
- Portunatasaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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