protaspis
名词 n.
英 /pɹəˈtaspɪs/
美 /pɹəˈtæspəs/
英文释义
名词 n.
- A stage in the development of a trilobite where the creature has not yet developed articulated segments.
词形变化
词源
From prot- + aspis (from Ancient Greek ἀσπίς (aspís, “shield”)).
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数据来源: Wiktionary