protaspis
nounUK /pɹəˈtaspɪs/ · US /pɹəˈtæspəs/
Etymology From prot- + aspis (from Ancient Greek ἀσπίς (aspís, “shield”)).
1
Biology, History, Human sciences, Natural sciences, Paleontology, Sciences A stage in the development of a trilobite where the creature has not yet developed articulated segments.
- Derived terms
- anaprotaspis, metaprotaspis, paraprotaspis, protaspid