Cycloachelous levigatus sp. nov., a new swimming crab (Crustacea: Decapoda Portunidae) from the South China Sea Author Koch, Milan text Zootaxa 2021 2021-05-14 4970 2 325 339 journal article 6269 10.11646/zootaxa.4970.2.6 6fce3374-f119-4abd-9740-02d4595201f9 1175-5326 4766923 85BDD65D-7BAC-4357-8391-BF1ACAAAF23D Cycloacheous levigatus sp. nov. ( Figs. 1B , 2 BEF, 3D–F, 4A, 5B, 8) Portunus (Amphitrite) gladiator . —de Haan 1833 , 65, pl. XVIII (1) Portunus orbitosinus . Stephenson & Rees 1967 , 31–34, figs. 6a–c, e–g (Form A). Neptunus (Achelous) orbitospisnis . Sakai 1939 , 396, fig. 8, pl 81 (3). Portunus orbitospinus . Sakai 1965 , 118, 57 (2) Portunus (Cycloacheous) orbitosinus .— Sakai 1976 , 349, figs. 188a, b; Yamaguchi & Baba 1993 , 40–403, fig. 140. Cycloacheous orbitosinus . Spiridonov et al. 2014 , 406, 412.