单词 | ceratodus |
释义 | ceratodus /seuh rat"euh deuhs, ser'euh toh"deuhs/, n. , pl. ceratoduses. a lungfish of either of two genera, Ceratodus or Neoceratodus, having hornlike ridges on the teeth. Cf. barramunda. [1870-75; < NL, equiv. to cerat- CERAT- + -odus < Gk odoús TOOTH] |
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