| Leurospondylus Temporal range: Late Cretaceous,
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| Dorsal view of the holotype spine of L. ultimus | |
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| Genus: | †Leurospondylus Brown, 1913
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| Binomial name | |
| †Leurospondylus ultimus Brown, 1913
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Leurospondylus is an extinct genus of plesiosaur from the Horseshoe Canyon Formation of Canada whose family is currently disputed, but is suggested to be Elasmosauridae.[1]