Assertion: terrestrial vertebrate | /r/HasAspect | four feet
Facets:
Source sentences:
text: Pisces - collective term for all fishes; includes Myxini, Cephalaspidomorpha, Chondrichthyes, Osteichthyes Tetrapoda - collective term for the terrestrial vertebrates; they have four feet unless some have been secondarily lost or converted to other uses.