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Taxon:
Genus †
Hydrotherosaurus
Welles, 1943
(reptile)
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Entity:
†Elasmosauridae (Family)
..†Alzadasaurus (Genus)
..†Aphrosaurus (Genus)
..†Brancasaurus (Genus)
..†Elasmosaurus (Genus)
..†Fresnosaurus (Genus)
..†Hydralmosaurus (Genus)
..†Leurospondylus (Genus)
..†Mauisaurus (Genus)
..†Microcleidus (Genus)
..†Morenosaurus (Genus)
..†Muraenosaurus (Genus)
..†Styxosaurus (Genus)
..†Thalassomedon (Genus)
..†Tricleidus (Genus)
..†Woolungasaurus (Genus)
..†Hydrotherosaurus (Genus)
Authorship
Original name
:
Welles, 1943. Mem. Univ. Calif., 13 (3), 126.
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025