单词	Crossopterygii
释义	Crossopterygii plural noun Cros·​sop·​te·​ryg·​ii 1 : a superorder of Choanichthyes comprising the lobe-finned fishes that have existed since the Devonian but are now largely extinct, that have paired fins somewhat resembling limbs with a scaly axis fringed on one or both sides by dermal rays, and that are generalized fishes in some respects resembling elasmobranchs and in others foreshadowing terrestrial vertebrates which may have evolved from unknown early members of the group compare latimeria 2 in some classifications : a division of fishes coextensive with Choanichthyes or comprising Choanichthyes together with Cladistia compare actinistia , rhipidistia Word History Etymology New Latin, from cross- + -pterygii
随便看	Ireland King of Arms Irelander irelanderes irelanders ireless irelessly irelessness Irena irenae irenas irene irenic irenically irenicism irenicon irenicons big-time big-timer big-timers big-tree plum big-up big-upped big-upping big-ups biga

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