- Urokodia
"Urokodia aequalis" is an extinct genus of
arthropod from theCambrian .Sources
* The Cambrian Fossils of Chengjiang, China: The Flowering of Early Animal Life by Xian-Guang Hou, Richard J. Aldridge, Jan Bergstrom, and David J. Siveter
Wikimedia Foundation. 2010.