Entomolepididae Brady 1899

Key to the species of the family Entomolepididae Brady, 1899 (adapted from Borges et al. (2021) 1. Pedigerous somite 3 and 4 fused ...................................................................................................... 2 – Pedigerous somites 3 and 4 not fused ............................................................................................... 8 2. Most of urosome exposed ................................................................................................................. 3 – Most of urosome hidden under body shield ..................................................................................... 4 3. Antennule 18-segmented with aesthetasc on segment 15, L 4 reduced to a knob .............................. ................................................................................................... Parmulella emarginata Stock, 1992 – Antennule 17-segmented with aesthetasc on segment 16, L 4 biramous with 3-segmented rami ........................................................................ Neoparmulella periperiensis Farias et al., 2020 4. P3 biramous ...................................................................................................................................... 5 – P3 uniramous (Paralepeopsyllus Ummerkutty, 1960) ..................................................................... 6 5. P4 reduced to a knob and antennule 17-segmented ................. Parmulodes verrucosa Wilson, 1944 – P4 absent and antennule 16-segmented .................... Parmulopsyllus iamarinoi Borges et al., 2021 6. Antennule 15-segmented ................................................... Paralepeopsylllus leei Lee & Kim, 2017 – Antennule 14-segmented .................................................................................................................. 7 7. Third exopodal segment of P3 with 3 setae ...... Paralepeopsyllus mannarensis Ummerkutty, 1960 – Third exopodal segment of P3 with 4 spines and 3 setae ................................................................... .............................................................................. Paralepeopsyllus dambayensis Lee & Kim, 2017 8. P4 absent (Entomolepis Brady, 1899) ............................................................................................... 9 – P4 present ........................................................................................................................................ 10 9. Caudal ramus 5–6× as long as wide ............................................... Entomolepis ovalis Brady, 1899 – Caudal ramus at least 10 × as long as wide ........................ Entomolepis hamondi McKinnon, 1988 10. P4 endopod reduced to a small segment (Lepeopsyllus Thompson & Scott, 1903) ........................11 – P4 endopod absent .......................................................................................................................... 12 11. Female antennule 15-segmented .............................. Lepeopsyllus typicus Thompson & Scott, 1903 – Female antennule 13-segmented ................................ Lepeopsyllus ovalis Thompson & Scott, 1903 12. Three postgenital somites in female and four in male (Spongiopsyllus Johnsson, 2000) .............. 13 – Two postgenital somites in female and three in male (Entomopsyllus McKinnon, 1988) ............. 19 13. Female antennule 14-segmented ................................. Spongiopsyllus atypicus Canário et al., 2019 – Female antennule with 15 or more segments ................................................................................. 14 14. Female antennule 15-segmente .................................. Spongiopsyllus redactus Canário et al., 2012 – Female antennule with 16 or more segments ................................................................................. 15 15. Female antennule 16-segmented ..................................................................................................... 16 – Female antennule 17-segmented ................................... Spongiopsyllus adventicius Johnsson, 2000 16. Maxillule inner lobe with 4 setae .................................................................................................... 17 – Maxillule inner lobe with at least 3 setae ....................................................................................... 18 17. Maxilliped endopod formula (2,1,1+claw) ..................................... Spongiopsyllus aramisi sp. nov. – Maxilliped endopod formula (2,2,0+claw) .................................... Spongiopsyllus porthosi sp. nov. 18. Maxilliped endopod formula (2,1,1+claw), maxillule inner lobe with 3 setae ................................... ............................................................................................................ Spongiopsyllus athosi sp. nov. – Maxilliped endopod formula (1,1,1+claw), maxillule inner lobe with 2 setae ................................... ................................................................................. Spongiopsyllus intermedius Borges et al. 2021 19. Endopod of P1 shorter than exopod ................................ Entomopsyllus nichollsi McKinnon, 1988 – Endopod of P1 shorter than exopod ................................................................................................ 20 20. Female antennule 15-segmented; third exopodal segment of P4 showing 2 setae ............................. ........................................................................................................ Entomopsyllus stocki Kim, 2004 – Female antennule with more than 16-segments; third exopodal segment of P4 showing 3 or more setae ................................................................................................................................................ 21 21. Female antennule 16-segmented; third exopodal segment of P4 showing 3 setae ............................. .................................................................................................. Entomopsyllus adriae (Eiselt, 1959) – Female antennule 17-segmented; third exopodal segment of P4 showing 4 setae ............................. ............................................................................... Entomopsyllus brevicaudatus Lee & Kim, 2017