Leptocleidia
| Leptocleidia |
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|---|---|
 |
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| Life restoration of the leptocleidian Nichollssaura borealis | |
Scientific classification  |
|
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Clade: | †Xenopsaria |
| Clade: | †Leptocleidia Ketchum and Benson, 2010 |
| Subgroups | |
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Leptocleidia is a clade of plesiosauroids.[1] The group was erected in 2007 as Leptocleidoidea.[2] Although established as a clade, the name Leptocleidoidea implies that it is a superfamily. Leptocleidoidea is placed within the superfamily Plesiosauroidea, so it was renamed Leptocleidia by Hilary F. Ketchum and Roger B. J. Benson (2010) to avoid confusion with ranks. Leptocleidia is a node-based taxon which was defined by Ketchum and Benson as "Leptocleidus superstes, Polycotylus latipinnis, their most recent common ancestor and all of its descendants".[1]
References
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