411 REFERENCE · Wiktionary
Synapsida
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
Etymology
mul grc σύν together + grc ἁψίς circle
Proper noun
Synapsids
mul obsolete subclass class Reptilia the extinct “mammal-like” reptiles and the living mammals
clade superclass Tetrapoda mammals and their extinct relatives.
Hypernyms
subclass ; Chordata Craniata clade - clade; Vertebrata subphylum - subphylum; Gnathostomata - infraphylum; Tetrapoda superclass - superclass; Reptiliomorpha clade, Amniota clade, Synapsidomorpha clade - clades
Hyponyms
subclass †Pelycosauria group, Therapsida order
References
3014447 1