New species Victoriopisa bruneiensis and Apocorophium acutum (Chevreux, 1908) from Brunei (Crustacea: Peracarida: Amphipoda) Author Hossain, M. Belal Author Hughes, L. E. text Zootaxa 2016 4117 3 375 386 journal article 38954 10.11646/zootaxa.4117.3.5 2c0ef9ab-1806-44e6-b563-d59ba217651b 1175-5326 266105 E97D7CF6-6E5A-4F50-B19A-9FC5EA52440A Key to world species of Victoriopisa (modified after Lim et al ., 2010 ) 1. Eyes weakly developed................................................................................. 2 - Eyes absent.......................................................................................... 5 2. Head with anteroventral cheek notch............................................... V. tinggiensis Lim et al ., 2010 - Head lacking anteroventral cheek notch.................................................................... 3 3. Gnathopod 2 dactylus posterior margin with proximal tooth and sinus...................... V. ryukyuensis Morino, 1991 - Gnathopod 2 dactylus posterior margin smooth.............................................................. 4 4. Epimera 1 to 3 posterodistal corner acute............................................. V. chilkensis ( Chilton, 1921 ) - Epimera 1 to 3 posterodistal corner with small tooth......................................... V. bruneiensis sp. nov. 5. Uropod 3 outer ramus article 2 expanded............................................ V. multiartus Zhao et al., 2016 - Uropod 3 outer ramus article 2 slender..................................................................... 6 6. Antennae 1 article 2 margins with slender setae................................. V. guanorocana Ortiz & Lalana, 1989 - Antennae 1 article 2 distal margins without slender setae...................................................... 7 7. Antenna 1 accessory flagellum shorter than 1st segment of antennal flagellum..................................... 8 - Antenna 1 accessory flagellum longer than 1st segment of antennal flagellum..................................... 10 8. Gnathopod 1 propodus palm lobate............................................... V. australiensis ( Chilton, 1923 ) - Gnathopod 1 propodus palm transverse or near transverse......................................................9 9. Male gnathopod 2 propodus palm with 2 excavations................................. V. epistomata ( Griffiths, 1974 ) - Male gnathopod 2 propodus palm with 1 excavation........................................ V. wadi Ariyama, 2015 10. Pereopod 7 merus broadly expanded..................................................................... 11 - Pereopod 7 merus slightly expanded....................................... .. V. marina Lowry & Springthorpe, 2005 11. Gnathopod 1 coxa as long as wide........................................................ V. papiae Asari, 1998 - Gnathopod 1 coxa shorter than wide............................................ V. atlantica Stock & Platvoet, 1981