| 释义 |
ichthyodorylite, -dorulite Palæont.|ɪkθɪəʊˈdɒrɪlaɪt, -ˈdɒr(j)ʊlaɪt|
[f. ichthyo- + Gr. δόρυ spear + λίθος stone (see -lite). The etymological spelling is -dorylite: cf. F. ichthyodorylithe.]
A fossil spine of a fish or fish-like vertebrate.
1837Buckland Geol. I. 287 Dorsal spines of Fishes..have been named Ichthyodorulites. 1842H. Miller O.R. Sandst. viii. (ed. 2) 167 A bulky but very imperfectly-preserved ichthyodorulite. 1872W. S. Symonds Rec. Rocks viii. 272, I saw a small ichthyodorulite in some silicious beds. |