Taxonomic reassessment of Rana (Hylorana) sinica Ahl, 1927 “1925” (Anura: Ranidae), with its synonymy with Amolops mantzorum (David, 1872) - Nguyen, Tan Van; Ren, Jin-Long; Duong, Tang Van; Orlov, Nikolai L.; Poyarkov, Nikolay A.; Ohler, Annemarie (Zootaxa, 2026)