CLASS REPTILIA

 Dictionary entry overview: What does class Reptilia mean? 

• CLASS REPTILIA (noun)
  The noun CLASS REPTILIA has 1 sense:

1. 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

  Familiarity information: CLASS REPTILIA used as a noun is very rare.

 Dictionary entry details 

• CLASS REPTILIA (noun)

Meaning:

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

Classified under:

Nouns denoting animals

Synonyms:

class Reptilia; Reptilia

Hypernyms ("class Reptilia" is a kind of...):

class ((biology) a taxonomic group containing one or more orders)

Meronyms (members of "class Reptilia"):

reptile; reptilian (any cold-blooded vertebrate of the class Reptilia including tortoises turtles snakes lizards alligators crocodiles and extinct forms)

Anapsida; subclass Anapsida (oldest known reptiles: turtles; extinct Permian forms)

Lepidosauria; subclass Lepidosauria (diapsid reptiles: lizards; snakes; tuataras)

Archosauria; subclass Archosauria (a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts)

subclass Synapsida; Synapsida (extinct reptiles of the Permian to Jurassic considered ancestral to mammals)

Holonyms ("class Reptilia" is a member of...):

Craniata; subphylum Craniata; subphylum Vertebrata; Vertebrata (fishes; amphibians; reptiles; birds; mammals)