释义 |
sphe·nac·odon·tia \ ̷ ̷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 |