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单词 Ischnacanthiformes
释义 Ischnacanthiformes
[´isk·nǝ´kan·thǝ`fōr´mēz]
PALEONTOLOGY
A monofamilial order of extinct fishes of the order Acanthodii; members were slender, lightly armored predators with sharp teeth, deeply inserted fin spines, and two dorsal fins.
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