| 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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