Hyalella misionensis sp. n., male. A gnathopod 2 B detail of the palm of gnathopod 2 C pereiopod 3 D pereiopod 4 E pereiopod 5 F pereiopod 6 G pereiopod 7. Scale bar equals 200 µm for A, C, D, E, F, and G; 100 µm for B.