1. Crossopterygii; most known only in fossil form.
总鳍目的鱼;大多仅知为化石形式存在。

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2. Bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of crossopterygii.
用气泡或腮呼吸生活于南半球的多骨鱼类;有时被归为总鳍鱼类。

来自互联网

3. Bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of crossopterygii.
用气泡或腮呼吸生活于南半球的多骨鱼类;有时被归为总鳍鱼类。

来自互联网