Synapsida

== Translingual == === Etymology === Ancient Greek σύν (sún, “together”) + ἁψίς (hapsís, “circle”) === Proper noun === Synapsida Synapsids (obsolete) A taxonomic subclass within the class Reptilia – the extinct “mammal-like” reptiles and the living mammals. A taxonomic clade within the superclass Tetrapoda – mammals and their extinct relatives. ==== Hypernyms ==== (subclass): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Chordata Craniata - clade; Vertebrata - subphylum; Gnathostomata - infraphylum; Tetrapoda - superclass; Reptiliomorpha, Amniota, Synapsidomorpha - clades ==== Hyponyms ==== (subclass): †Pelycosauria, Therapsida === References === Synapsida on Wikipedia.Wikipedia Synapsida on Wikispecies.Wikispecies Category:Synapsida on Wikimedia Commons.Wikimedia Commons