Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
meraspis — məˈraspə̇s noun ( es) Etymology: New Latin, from mer (III) + aspis shield more at aspid : a late larva of a trilobite in which the pygidium is beginning to form … Useful english dictionary
holaspis larva — (ARTHROPODA: Trilobita) Final larval stage in which the general adult structures are present and with succeeding molts minor changes and increase of size; see protaspis and meraspis larva … Dictionary of invertebrate zoology
protaspis larva — (ARTHROPODA: Trilobita) Larval period after emergence from the egg, covered by a single, dorsal carapace and consisting of an acron and four postoral segments; see meraspis larva … Dictionary of invertebrate zoology
