单词 | cestracion |
释义 | Cestracionn. Zoology. A kind of shark now peculiar to Australia; the Port Jackson shark. It has sharp teeth in front, and flat pavement-like teeth behind, and has a spine in front of each dorsal fin. ΘΚΠ the world > animals > fish > subclass Elasmobranchii > order Pleurotremata > [noun] > member of family Heterodontidae (Port Jackson shark) Port Jackson1789 pigfish1807 cestraciont1847 Cestracion1876 1876 D. Page Adv. Text-bk. Geol. (ed. 6) xvii. 320 Shark-like genera resembling the cestracion of Australian seas. This entry has not yet been fully updated (first published 1889; most recently modified version published online June 2018). < n.1876 |
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