̷ ̷ˌ ̷ ̷ ̷ ̷ˈdänchēə, -ntēə noun plural
Usage: capitalized
Etymology: New Latin, from Sphenacodont-, Sphenacodon, genus of reptiles (irregular from sphen- + -odont-, -odon ) + -ia
: a suborder of Pelycosauria comprising primitive Permian reptiles that resemble mammals