Allantoidea | ‖n. pl. [ NL. ] (Zool.) The division of Vertebrata in which the embryo develops an allantois. It includes reptiles, birds, and mammals. [ 1913 Webster ] |
Anallantoidea | ‖n. pl. [ Gr. |
Allantoidea | ‖n. pl. [ NL. ] (Zool.) The division of Vertebrata in which the embryo develops an allantois. It includes reptiles, birds, and mammals. [ 1913 Webster ] |
Anallantoidea | ‖n. pl. [ Gr. |