Simple categories matching bipedal:

• mammal,
• animal,
• dinosaur,
• carnosaur,
• being,
• creature,
• predator,

Members with property bipedal:

• coelophysis,
• human,
• tyrannosaurus,
• hadrosaur,
• theropod,
• ape,
• velociraptor,
• kangaroo,
• man,
• carnivorous_theropod,
• jerboa,
• monkey,
• ornithopod,
• deinonychus,