PeerJ Author 70 Points Contributions by role Preprint Author 70 Contributions by subject area Biodiversity Ecology Marine Biology Taxonomy Zoology Joseph Ricky A Tamayo PeerJ Author Summary Biodiversity Ecology Marine Biology Taxonomy Zoology Editing Journals Work details University of the Philippines Visayas August 2015 - June 2019 Division of Biological Sciences PeerJ Contributions Preprints 1 October 28, 2019 - Version: 2 Comparative studies of Echinometra mathaei species complex (Echinoidea: Camarodonta: Echinometridae) from two sites in Western Visayas, Philippines (Taklong Island, Guimaras and Nabas, Aklan) Joseph Ricky Tamayo, Maria Celia D Malay https://doi.org/10.7287/peerj.preprints.27986v2