FIG. 3. Crymostygius thingvallensis, n in Crymostygidae, a new family of subterranean freshwater gammaridean amphipods (Crustacea) recorded from subarctic Europe

FIG. 3. Crymostygius thingvallensis, n. sp. Female holotype, 18 mm. (A) Maxilliped; (B) outer plate of maxilliped; (C) inner plate of maxilliped; (D) gnathopod 1; (E) posterior margin of dactylus of gnathopod 1; (F) palmar margin propodus of gnathopod 1, showing bifid spines and medial setae; (G) gnathopod 2.Published as part of Kristjánsson, B. K. & Svavarsson, J., 2004, Crymostygidae, a new family of subterranean freshwater gammaridean amphipods (Crustacea) recorded from subarctic Europe, pp. 1881-1894 in Journal of Natural History 38 (15) on page 1886, DOI: 10.1080/00222930310001597295, http://zenodo.org/record/465868