411 REFERENCE · Wiktionary
Sauropsida
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
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Etymology
From mul grc - σαῦρος (saûros, “lizard, reptile”) + ὤψ (ṓps, “face”) literally "lizard face".
Proper noun
clade class Reptilia amniotes that include all existing reptiles and birds and their extinct relatives.
See also
Synapsida subclass