Validation of Malayacyclus Tang, Mychko, Feldmann, Schweitzer, Shaari & Sone, a cyclidan crustacean from the Early Carboniferous of Terengganu, Malaysia Author Tang, Hung Yung Department of Geology, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia. & Paleoceanography Research Group (PoRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia Author Mychko, Eduard V. Laboratory of Atlantic Geology, Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia. & Scientific and Educational Center “ Geoecology and Marine Resource Management ”, Immanuel Kant Baltic Federal University, Kaliningrad, Russia. & Research and Education Center, Borissiak Paleontological Institute, Russian Academy of Sciences, Moscow, Russia. Author Feldmann, Rodney M. Department of Earth Sciences, Kent State University, Kent, Ohio, USA. Author Schweitzer, Carrie E. Department of Earth Sciences, Kent State University at Stark, North Canton, Ohio, USA. Author Shaari, Hasrizal Paleoceanography Research Group (PoRIG), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia Author Sone, Masatoshi Department of Geology, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia. text Zootaxa 2023 2023-07-20 5318 3 439 440 http://dx.doi.org/10.11646/zootaxa.5318.3.10 journal article 10.11646/zootaxa.5318.3.10 1175-5326 8166780 Malayacyclus gen. nov. Malayacyclus Tang, Mychko, Feldmann, Schweitzer, Shaari & Sone, 2021: 4 [unavailable]. Type species. Malayacyclus terengganuensis sp. nov. Diagnosis. As for the type species (monotypic). Etymology. After Malaya, an older name for Peninsular Malaysia or West Malaysia and Cyclus , the type genus of the Cyclida. Gender masculine.