Two New Species of Nudibranch Mollusks from the Tropical Eastern Pacific of Mexico Author Gosliner, Terrence M. Department of Invertebrate Zoology, California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, U. S. A. tgosliner@calacademy.org; Author Bertsch, Hans 192 Imperial Beach Blvd., Imperial Beach, CA 91932, U. S. A. hansmarvida@sbcglobal.net text Proceedings of the California Academy of Sciences 2017 2017-10-31 64 6 117 130 journal article 299691 10.5281/zenodo.11512872 d0ea9f31-ec71-4405-8832-4d16e172c756 0068-547X 11512872 88B8E4A7-47C3-4C5E-9F4F-9BC6614869E8 Genus Tenellia A. Costa, 1866 Type species: Tenellia mediterranea A. Costa, 1866 (= Tergipes adspersu s Nordmann, 1845), by monotypy.