Anallantoidea
An`al`lan`toid´e`a
| n. pl. | 1.(Zool.) The division of Vertebrata in which no allantois is developed. It includes amphibians, fishes, and lower forms. |
| 单词 | anallantoidea | ||
| 释义 | AnallantoideaAn`al`lan`toid´e`a
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