| Jucha Temporal range: Early Cretaceous,
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| Life restoration | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Family: | †Elasmosauridae |
| Genus: | †Jucha Fischer et al., 2020 |
| Species: | †J. squalea
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| Binomial name | |
| †Jucha squalea Fischer et al., 2020
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Jucha is an extinct genus of plesiosaur found in the Hauterivian (Early Cretaceous) Klimovka Formation of Russia. The type species, J. squalea, was one of the basalmost and oldest definitive elasmosaurs known to date[1] (it may have been the oldest considering the Late Triassic Alexeyisaurus was not an elasmosaur).[2]
- ^ Valentin Fischer; Nikolay G. Zverkov; Maxim S. Arkhangelsky; Ilya M. Stenshin; Ivan V. Blagovetshensky; Gleb N. Uspensky (2020). "A new elasmosaurid plesiosaurian from the Early Cretaceous of Russia marks an early attempt at neck elongation". Zoological Journal of the Linnean Society. 192 (4): 1167–1194. doi:10.1093/zoolinnean/zlaa103. hdl:2268/251614.
- ^ A. G. Sennikov, M. S. Arkhangelsky (2010). "On a Typical Jurassic Sauropterygian from the Upper Triassic of Wilczek Land (Franz Josef Land, Arctic Russia)". Paleontological Journal. 44 (5): 567–572. Bibcode:2010PalJ...44..567S. doi:10.1134/S0031030110050126. S2CID 88505507.