holaspis
Noun. A stage in the development of a trilobite where the creature has gained their adult segmentation, but continues to molt and grow. .This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.