单词 | ceratodus |
释义 | Word Frequency ceratodus(sɪˈrætədəs, ˌsɛrəˈtəʊdəs) nounWord forms: plural -duses any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic times Compare barramunda Word origin C19: New Latin, from cerato- + Greek odous tooth |
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