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Carusioidea
Carusioidea is a clade (evolutionary grouping) of lizards that includes the family Xenosauridae (knob-scaled lizards) from Central America and the extinct genus ''Carusia'' from the Late Cretaceous of Mongolia. It was named in 1998 after a sister-group relationship was found between ''Carusia'' and Xenosauridae. Phylogenetic analysis indicates that Carusioidea is the most basal clade within Anguimorpha. Features that help define Carusioidea include closely spaced orbits or eye sockets separated by fused frontal bones, a connection between the jugal and squamosal bones below the supratemporal arch, and a covering of bony osteoderms over the skull roof. Below is a cladogram showing the phylogenetic relationships of carusioids from Gao and Norell (1998): |2= }} }} }} }} *''Shinisaurus'' is no longer considered a xenosaurid but rather a varanoid lizard}} ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Carusioidea」の詳細全文を読む
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