The family Hyalidae (Crustacea: Amphipoda: Talitroidea) from Korean waters. 1. Genus Ptilohyale Bousfield & Hendrycks, 2002 Author Eun, Ye Author Kim, Young-Hyo Author Hendrycks, Ed A. Author Lee, Kyung-Sook text Zootaxa 2014 3802 4 583 595 journal article 45641 10.11646/zootaxa.3802.4.8 217b918d-7543-43ab-9687-3af39a83bdcc 1175-5326 228425 A4CF82D7-F15E-4262-B08E-F044F3C8F281 Key to genera of the family Hyalidae in Korea (after Bousfield & Hendrycks, 2002 ) 1. Pereopods 3–7, dactylus large (1/4 – 1/ 2 x propodus), medial marginal seta small, clasping spine of propodus strong; coxa 1 without cusp......................................................................................... 2 - Pereopods 3–7, dactylus small (<1/ 4 x propodus), medial marginal seta distinct, clasping spine of propodus lacking or small; coxa 1 with posterior marginal cusp....................................................................... 3 2. Gnathopod 2 (♂), carpal lobe prominent; uropod 3 biramous; telson with apical spine(s); maxilla 1 palp biarticulate.................................................................................. Parallorchestes Shoemaker, 1941 - Gnathopod 2 (♂), carpal lobe lacking or vestigial; uropod 3 uniramous; telson without apical spine(s); maxilla 1 palp uniarticulate................................................................ Protohyale Bousfield & Hendrycks, 2002 3. Uropod 1, peduncle with strong distomedial spine; antenna 2, peduncular article 5 and flagellum strongly plumose-setose........................................................................ Ptilohyale Bousfield & Hendrycks, 2002 - Uropod 1, peduncle without or with weak distomedial spine; antenna 2, peduncular article 5 and flagellum unarmed or with weak setation.......................................................... Apohyale Bousfield & Hendrycks, 2002