| 单词 | acanthodian |
| 释义 | acanthodian in American English (ˌækənˈθoudiən) noun any small, spiny-finned, sharklike fish of the extinct order Acanthodii, from the Paleozoic Era Word origin [1850–55; ‹ NL Acanthodi(i) pl. of acanthodius (equiv. to Acanthod(es) a genus (‹ Gk akantho᷇dēs prickly, spiny; see acantho-, -ode1) + L -ius) + -an] |
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