Crossopterygii
volume
British pronunciation/kɹˈɒsəptəɹˌɪdʒɪˌaɪ/
American pronunciation/kɹˈɔsəptɚɹˌɪdʒɪˌaɪ/

"crossopterygii"的定义和意义

Crossopterygii
01

fishes having paired fins resembling limbs and regarded as ancestral to amphibians

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