Caenanthura

Song, Ji-Hun & Min, Gi-Sik, 2015, Two new species, Caenanthura koreana sp. nov. and Apanthura koreaensis sp. nov. (Crustacea: Isopoda: Anthuridae) from South Korea, Zootaxa 3937 (2), pp. 362-376 : 368

Key to the species of Caenanthura

1 Pereonites with dorsal pits.............................................................................. 2

- Pereonites without dorsal pits........................................................................... 3

2 Mandibular palp 1-segmented; total length of body less than 6 mm .................................... C. siamensis

- Mandibular palp 2-segmented; total length of body more than 10 mm ................................. C. engimatica

3 Anterolateral lobes, much exceeding the rostrum..................................................... C. indica

- Anterolateral lobes, as long as the rostrum................................................................. 4

4 Maxillipedal palp 2-segmented, articles 1–3 fused, 4–5 fused and elongate; mandible with serrated lacinia dentata... C. ibex

- Maxillipedal palp 3-segmented, articles 2–3 fused, 4–5 fused; mandible with smooth lacinia dentata................... 5

5. Total body length, less than 6 mm; mandibular palp, article 1 twice as long as article 2; uropodal exopod narrow, 2.8 times lon- ger than wide.................................................................................. C. gutui

- Total body length, more than 7 mm; mandibular palp, article 1 3 times as long as article 2; uropodal exopod wide, 2.3 times longer than wide....................................................................... C. koreana sp. nov.