This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

noun-plural. A comprehensive group of vertebrates, comprising the reptiles and birds.

In Huxley's classification, a superclass of vertebrates; one of three prime divisions of Vertebrata, in which birds and reptiles are brigaded together and contrasted on the one hand with Ichthyopsida, or amphibians and fishes, and on the other with Mammalia, or mammals.

"Tom MH: The wiki diagram that ID guy linked to is misleading in that it places reptilia in the position where one might normally find the clade sauropsida, and indicates that reptilia is a monophyletic group."

sauropod    sauropods