1. Probably warm-blooded; considered direct ancestor of mammals
   - protomammal

Derived forms: therapsids

Type of: synapsid, synapsid reptile

Part of: order Therapsida, Therapsida

Encyclopedia: Therapsid

• haircut
• hairdo
• hairdresser
• hairdressing
• haired
• hairgrip
• hairiness
• hairless
• hairlessness
• hairlike
• hairline
• hairline fracture
• hairnet
• hairpiece
• hairpin
• hairpin bend
• hairsbreadth
• hairsplitter
• hairsplitting
• hairspring
• hairstreak
• hairstreak butterfly
• hairstyle
• hairstylist
• hairtail