单词 | Holothuroidea |
例句 | Sea cucumbers of class Holothuroidea are extended in the oral-aboral axis and have five rows of tube feet. Fundamentals of Biology 2015-01-01T00:00:00Z As for Holothuroidea, the fossil evidence allows us to say no more than that the class existed in early Carboniferous times, if not before. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z |
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