Jucha
Jucha was a long-necked marine reptile that swam in the seas of Early Cretaceous Russia. It was an early elasmosaur, a type of plesiosaur with a very long neck. Jucha is one of the oldest elasmosaurs ever found.13
Cando viviu?
Como era de grande?
Canto medía de longo?
tan longo coma 5 cans do fociño á cola🍌tan longo coma 28 plátanos postos un tras outro🏊podería nadar o longo dunha piscina grande (50 m) en 6,4 segundosComo era de grande Jucha comparado CONTIGO?
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Que velocidade alcanzaba?
Datos curiosos
Jucha lived about 130 million years ago, during the Early Cretaceous period.1
The only known skeleton of Jucha was discovered in 2007 near the Slantsevy Rudnik village in Russia.12
Jucha's neck bones were already getting longer, showing an early step toward the super-long necks of later elasmosaurs.2
The fossil bones were covered in a crust of pyrite, also called fool's gold, which gave the species its name 'squalea' meaning coated.12
Jucha lacked some features that later elasmosaurs had, like a heart-shaped hole in the chest bone and a bar across the shoulder blades.2

Para expertos en dinos
- Nome científico
- Jucha
- Bautizado por
- Fischer et al. 20203
- Grupo
- Plesiosauros
- Familia / clado
- Elasmosauridae3
- Clasificación
- Plesiosauria > Elasmosauridae > Sauropterygia3
- Idade das rochas
- de 133 a 126 millóns de anos (Hauterivian)3
- Formacións rochosas
- Klimovka3
- Países
- Rusia3
- Rexistros fósiles
- 1 na Paleobiology Database3
- Descubrimento
- Jucha was named in 2020 by Fischer and colleagues. The holotype skeleton was found in 2007 by a field crew led by G. N. Uspensky in the Klimovka Formation of European Russia.12
- Aínda en debate
- Scientists are not sure exactly how the necks of elasmosaurs evolved. Jucha shows an early attempt at neck lengthening, but the pattern of elongation and shortening in different species is still debated.2
De onde veñen os datos
- Jucha (en.wikipedia.org)
- Author postprint version (orbi.uliege.be)
- Jucha in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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