英语词汇“pteraspidae”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pteraspidae
释义	pte·ras·pi·dae \-pəˌdē\ noun plural Usage: capitalized Etymology: New Latin, from Pteraspid-, Pteraspis, type genus + -idae : a family of widespread Silurian and Lower Devonian ostracoderms (class Heterostraci) — see pteraspis
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