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单词 Crossopterygii
例句 Crossopterygii
Huxley, to whom we owe particularly important works on the fossil Ganoids, classed them in the order of the Crossopterygii. The Evolution of Man — Volume 2
Among the anomalous forms of Old Red fishes not referable to Huxley's Crossopterygii is the Pterichthys, of which five species have been found in the middle division of the Old Red of Scotland. The Student's Elements of Geology
The ancestors of the Amphibia are generally sought amongst the Crossopterygii, a very large group of fishes in Devonian times, with very few representatives to-day. The Story of Evolution
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