Leptocleidia
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| Leptocleidia Temporal range: Cretaceous, Berriasian–Maastrichtian | |
|---|---|
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| Life restoration of the leptocleidian Nichollssaura borealis | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Superfamily: | †Plesiosauroidea |
| Node: | †Cryptoclidia |
| Node: | †Leptocleidia Ketchum and Benson, 2010 |
| Synonyms | |
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Leptocleidoidea Druckenmiller and Russell, 2007 | |
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
- ↑ 1.0 1.1 Ketchum, H.F.; and Benson, R.B.J. (2010). "Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses". Biological Reviews 85 (2): 361–392. doi:10.1111/j.1469-185X.2009.00107.x. PMID 20002391.
- ↑ Druckenmiller, P.S.; and Russel, A.P. (2007). "A phylogeny of Plesiosauria (Sauropterygia) and its bearing on the systematic status of Leptocleidus Andrews, 1922". Zootaxa 1863: 1–120. ISBN 978-1-86977-262-8. ISSN 1175-5334.
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