Key to species of Yogmelina

1. Uropod 3 reduced, 1st article of exopod as long as peduncle ......................................................... Y. brachyura

- Uropod 3 not reduced, 1st article of exopod longer than peduncle ........................................................................... 2

2. Basis of pereopod 7 truncated, abruptly tapering towards the distal edge ......................................... Y. ovata *

- Basis of pereopod 7 not truncated, gradually tapering towards the distal edge ..................................................... 3

3. Lateral head lobes rounded, coxal plate 1 slightly bent forwards, fringed with short setae ................. Y. laeviuscula

- Lateral head lobes acute, coxal plate 1 strongly bent forwards fringed with long setae.........................................4

4. Urosomites without setae, epimeral plates 2–3 with short distal setae .................................................. Y. pusilla

- Urosomites with setae, epimeral plates 2–3 with long distal setae .......................................................... Y. limana .