protaspis

三叶虫幼虫期

发音

UK /pɹəˈtaspɪs/
其它
US /pɹəˈtæspəs/

词形变化

protaspides 复数 protaspides

释义与例句

n.
  1. 1.

    A stage in the development of a trilobite where the creature has not yet developed articulated segments.

    生物

词源

From prot- + aspis (from Ancient Greek ἀσπίς (aspís, “shield”)).

来源：wiktionary