| 词条 | Cryptoclidia |
| 释义 |
| name = Cryptoclidia | taxon = Cryptoclidia | fossil_range = Middle Jurassic-Late Cretaceous, {{Fossil range|165|66}} | image = Thililua longicollis.jpg | image_caption = Skeleton of Thililua longicollis, National Museum of Nature and Science | authority = Ketchum and Benson, 2010 | subdivision_ranks = Subgroups | subdivision =
}} Cryptoclidia is a clade of plesiosaurs. Cryptoclidia was named and defined as a node clade in 2010 by Hilary Ketchum and Roger Benson: the group consisting of the last common ancestor of Cryptoclidus eurymerus and Polycotylus latipinnis; and all its descendants.[1] The following cladogram follows an analysis by Benson & Druckenmiller (2014).[2] {{clade| style=font-size:85%;line-height:85%|label1=Plesiosauroidea |1={{clade |1=Plesiosaurus |2={{clade |1=Eretmosaurus |2=Westphaliasaurus |3=Microcleididae |4={{clade |1=Plesiopterys |label2=Cryptoclidia |2={{clade |1=Cryptoclididae |label2=Xenopsaria |2={{clade |1=Elasmosauridae |label2=Leptocleidia |2={{clade |1=Leptocleididae |2=Polycotylidae }} }} }} }} }} }} }} References1. ^{{cite journal |last=Ketchum |first=H.F. |author2=Benson, R.B.J. |year=2010 |title=Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses |journal=Biological Reviews |volume=85 |issue=2 |pages=361–392 |doi=10.1111/j.1469-185X.2009.00107.x |pmid=20002391}} {{Plesiosauria|Plesiosauroidea}}{{Taxonbar|from=Q5190873}}{{plesiosaur-stub}}2. ^{{Cite journal | last1 = Benson | first1 = R. B. J. | last2 = Druckenmiller | first2 = P. S. | doi = 10.1111/brv.12038 | title = Faunal turnover of marine tetrapods during the Jurassic-Cretaceous transition | journal = Biological Reviews | pages = 1–23| year = 2013 | pmid = 23581455| pmc = | volume=89}} 1 : Plesiosaurs |
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