| NOUN | animal | Reptilia, class Reptilia | class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates |
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| 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. | |
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| Synonym | class Reptilia | |
| Member of | Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata | fishes |
| Members | Anapsida, subclass Anapsida | oldest known reptiles |
| Archosauria, subclass Archosauria | A large subclass of diapsid reptiles including | |
| Lepidosauria, subclass Lepidosauria | diapsid reptiles | |
| Synapsida, subclass Synapsida | Extinct reptiles of the Permian to Jurassic considered ancestral to mammals | |
| reptile, reptilian | Any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms | |
| Broader | class | (biology) a taxonomic group containing one or more orders |
| Spanish | reptiles | |
| Catalan | Reptilia, Rèptil | |
| Adjectives | reptilian | of or relating to the class Reptilia |
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