Sophrosynidae, a new family in the Lysianassoidea (Crustacea: Amphipoda) with a revision of the genus Sophrosyne Author Lowry, J. K. Author Stoddart, H. E. text Zootaxa 2010 2010-02-25 2370 1 1 35 https://biotaxa.org/Zootaxa/article/view/zootaxa.2370.1.1 journal article 10.11646/zootaxa.2370.1.1 1175-5326 5306939 Key to species of Sophrosyne 1. Epimeron 3, posteroventral corner rounded ............................................................................................................... 2 - Epimeron 3, posteroventral corner angled .................................................................................................................. 7 2. Telson entire .......................................................................................................................................... S. integricauda - Telson cleft .................................................................................................................................................................. 3 3. Gnathopod 2 palm large ................................................................................................................................ S. peartae - Gnathopod 2 palm small ............................................................................................................................................. 4 4. Mandibular palp article 2 with D2-setae ..................................................................................................................... 5 - Mandibular palp article 2 without D2-setae ............................................................................................................... 6 5. Mandibular palp article 3 with D3-setae; uropod 2 without robust setae on rami .................................. S. californica - Mandibular palp article 3 without D3-setae; uropod 2 with robust setae on at least one ramus .............. S. cantractia 6. Gnathopod 2 palm convex; pereopod 6 coxa slightly lobate posteriorly ................................................. S. robertsoni - Gnathopod 2 palm concave; pereopod 6 coxa not lobate posteriorly ....................................................... S. antarctica 7. Gnathopod 2 palm large ............................................................................................................................... S. murrayi - Gnathopod 2 palm small ............................................................................................................................................. 8 8. Pereopod 7, basis posteroventral lobe extending beyond ischium ............................................................................. 9 - Pereopod 7, basis posteroventral lobe not extending beyond ischium ..................................................................... 10 9. Maxilliped palp article 2 broad; pereopod 6 coxa strongly lobate posteriorly ............................................ S. hispana - Maxilliped palp article 2 slender; pereopod 6 coxa slightly lobate posteriorly ........................................... S. rodondo 10. Pereopod 6 coxa strongly lobate posteriorly ............................................................................................................. 11 - Pereopod 6 coxa slightly lobate posteriorly .............................................................................................................. 13 11. Mandible palp article 2 broadened distally .................................................................................................. S. ledoyeri - Mandible palp article 2 slender ................................................................................................................................. 12 12. Mandible palp articles 2 and 3 with D-setae; telson longer than broad .................................................... S. inverarae - Mandible palp articles 2 and 3 without D-setae; telson about as long as broad .............................................. S. ruffoi 13. Maxilliped palp article 2 slender (length about 2.4 x breadth); telson moderately cleft (about 38%) .......... S. moorei - Maxilliped palp article 2 broad (length about 1.8 x breadth); telson deeply cleft (about 67%) ..................... S. abyssi