Reproductive cycle of sea urchin Echinometra vanbrunti (Echinodermata: Echinoidea) from the Gulf of California. - Villalba Villalba, Ana Gloria; Chan Chan, Lerma Hanaiy; Lagarda Diaz, Irlanda; Reyes Jiménez, Naomi Yerith; Minjarez Osorio, Christian; Castro Longoria, Reina; Maldonado Arce, Amir (Marine Biology Research, 2021)