| 释义 | 
		al·lan·toi·de·an I. adjective or al·lan·toi·di·an \|alən.|tȯidēən, |aˌlan.-; ə|lantə|wid-\ Etymology: New Latin allantoid-, allantois + English -ean, -ian  : of, relating to, or derived from the allantois II. adjective Etymology: New Latin Allantoidea + English -an  : of or relating to the Allantoidea |