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单词 monoprionidian
释义 monoprionidian, a. Palæont.|ˌmɒnəʊpraɪəʊˈnɪdɪən|
[f. Gr. µόνο-ς mono- + πρίων saw.]
Having serrations on one side of the stem only: said of graptolites. Also monoˈprionid a.
1870Nicholson Man. Zool. 95 Besides the simple forms of Graptolites with a row of cellules on one side (monoprionidian), there are others with a row of cellules on each side (diprionidian).1888Rolleston & Jackson Anim. Life 769 A typical or monoprionid Graptolite.
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