diploglossa
{{Short description|Clade of lizards}}
{{Automatic taxobox
| taxon = Diploglossa
| fossil_range = Albian – Present, {{Fossil range|110|0}}
| image = Diploglossa.jpg
| authority = Cope, 1864
| subdivision_ranks = Subclades
| subdivision =
- Carusioidea Cope, 1866
- Xenosauridae
- Anguioidea Gray, 1825
- Diploglossidae
- †Dorsetisauridae
- Anniellidae
- Anguidae
}}
Diploglossa is a clade of neoanguimorphs represented by the families Xenosauridae, Diploglossidae, Anniellidae and Anguidae, the latter three placed in the superfamily Anguioidea.{{cite journal |doi=10.1016/j.crvi.2008.07.010 |pmid=19281946 |title=The molecular evolutionary tree of lizards, snakes, and amphisbaenians |journal=Comptes Rendus Biologies |volume=332 |issue=2–3 |pages=129–39 |year=2009 |last1=Vidal |first1=Nicolas |last2=Hedges |first2=S. Blair |s2cid=23137302 |url=https://comptes-rendus.academie-sciences.fr/biologies/articles/10.1016/j.crvi.2008.07.010/ |access-date=2023-11-30 |archive-date=2024-03-09 |archive-url=https://web.archive.org/web/20240309105919/https://comptes-rendus.academie-sciences.fr/biologies/articles/10.1016/j.crvi.2008.07.010/ |url-status=live }}{{cite journal| author1=Pyron | author2=Burbrink | author3=Wiens | year=2013 | title=A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes | journal=BMC Evolutionary Biology | volume=13 | page=93 | doi=10.1186/1471-2148-13-93 | pmid=23627680 | pmc=3682911 | doi-access=free }}{{cite journal|last1=Zheng|first1=Yuchi|last2=Wiens|first2=John J.|title=Combining phylogenomic and supermatrix approaches, and a time-calibrated phylogeny for squamate reptiles (lizards and snakes) based on 52 genes and 4162 species |journal=Molecular Phylogenetics and Evolution |date=2016 |volume= 94|issue= Pt B|pages=537–547 |doi=10.1016/j.ympev.2015.10.009|pmid=26475614}}{{cite journal |doi=10.1098/rsbl.2012.0703 |pmid=22993238 |pmc=3497141 |title=Resolving the phylogeny of lizards and snakes (Squamata) with extensive sampling of genes and species |journal=Biology Letters |volume=8 |issue=6 |pages=1043–6 |year=2012 |last1=Wiens |first1=J. J. |last2=Hutter |first2=C. R. |last3=Mulcahy |first3=D. G. |last4=Noonan |first4=B. P. |last5=Townsend |first5=T. M. |last6=Sites |first6=J. W. |last7=Reeder |first7=T. W. }} In the past the Chinese crocodile lizard was classified as a xenosaurid;{{cite journal |last1=Gao |first1=K. |last2=Norell |first2=M. |year=1998 |title=Taxonomic revision of Carusia (Reptilia, Squamata) from the late Cretaceous of the Gobi Desert and phylogenetic relationships of anguimorphan lizards |journal=American Museum Novitates |issue=3230 |pages=1–55 |hdl=2246/3367 }} current molecular work has shown evidence the species related to varanoids in the clade Paleoanguimorpha.{{Cite journal | last1 = Bhullar | first1 = B. A. S. | title = The power and utility of morphological characters in systematics: a fully resolved phylogeny of Xenosaurus and its fossil relatives (Squamata: Anguimorpha) | doi = 10.3099/0027-4100-160.3.65 | journal = Bulletin of the Museum of Comparative Zoology | volume = 160 | issue = 3 | pages = 65–181| year = 2011 | s2cid = 86328454 }}
Below is the phylogeny of the neoanguimorph lineages after Pyron et al. (2013):
{{clade|style=font-size:110%
|label1=Diploglossa
|1={{Clade
|1=Xenosauridae (knob-scaled lizards)
|label2=Anguioidea
|2={{Clade
|1=Diploglossidae (galliwasps)
|2={{Clade
|1=Anniellidae (American legless lizards)
|2=Anguidae (glass lizards and alligator lizards) }} }} }} }}