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单词 ichthyodorylite
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.
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