| 词条 | Hastanectes |
| 释义 |
| taxon = Hastanectes | fossil_range = Early Cretaceous, {{fossil_range|Valanginian}} | authority = Benson et al., 2012 | type_species = {{extinct}}Hastanectes valdensis | type_species_authority = (Lydekker, 1889 [originally Cimoliasaurus valdensis]) }}Hastanectes is an extinct genus of a plesiosaurian with possible pliosaurid affinities known from the Early Cretaceous Wadhurst Clay Formation (Valanginian stage) of the United Kingdom. It contains a single species, Hastanectes valdensis, which was originally thought to be a species of Cimoliasaurus.[1] See also{{Portal|Paleontology}}
References1. ^{{Cite journal | last1 = Benson | first1 = R. B. J. | last2 = Ketchum | first2 = H. F. | last3 = Naish | first3 = D. | last4 = Turner | first4 = L. E. | title = A new leptocleidid (Sauropterygia, Plesiosauria) from the Vectis Formation (Early Barremian–early Aptian; Early Cretaceous) of the Isle of Wight and the evolution of Leptocleididae, a controversial clade | doi = 10.1080/14772019.2011.634444 | journal = Journal of Systematic Palaeontology | pages = 1 | year = 2012 | pmid = | pmc = }} {{Taxonbar|from=Q868529}}{{plesiosaur-stub}} 4 : Early Cretaceous plesiosaurs of Europe|Fossil taxa described in 2012|Fossils of the United Kingdom|Taxa named by Darren Naish |
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