Jacforus xuxian sp. nov., a new species of xanthid crab (Brachyura, Xanthidae) from the coral reefs of the South China Sea, and its potential symbiotic relationship with Ophionereis porrecta (Echinodermata, Ophiuroidea). - Yuan, Ziming; Jiang, Wei; Sha, Zhongli (Crustaceana, 2025)