Word Study
protomammal
WORDNET DICTIONARY
Noun protomammal has 1 sense
- protomammal(n = noun.animal) therapsid - probably warm-blooded; considered direct ancestor of mammals; Array is a kind of synapsid, synapsid reptile
is a member of order therapsida, therapsida
has particulars: chronoperates paradoxus, cynodont, dicynodont
For further exploring for "protomammal" in Webster Dictionary Online