释义 |
diprionidian, a. Palæont.|daɪpraɪəʊˈnɪdɪən| [f. Gr. δι- twice (di-2) + πρίων a saw.] Having serrations on both sides of the stem: said of graptolites.
1872Nicholson Palæont. 82 Two leading types may be distinguished amongst the Graptolites..‘monoprionidian’ and ‘diprionidian’. |