1. (noun) class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals

• class reptilia

1. (noun) class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals

• anapsida
• subclass anapsida
• archosauria
• subclass archosauria
• lepidosauria
• subclass lepidosauria
• reptile
• reptilian
• subclass synapsida
• synapsida

1. (noun) class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals

• class

1. (noun) class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals

• craniata
• subphylum craniata
• subphylum vertebrata
• vertebrata

1. (noun) class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals

• reptilian