World Mysida Key created by Tim Deprez Please refer to this identification key as Deprez, T. (2005). Electronic Key to the World Mysida. World Wide Web electronic publication. Www.nemys.ugent.be. 09/2005 Restart from Mysida | Restart Completely | Select different key | Show legend

Characteristics  1st maxiliped exopod        absent       well developped       small unarticulated  2nd thoracopod exopod        well developped       absent  2nd thoracopod shape        as maxilliped       as gnathopod  3-8 thoracopod carpopropodus        devided into a few subsegments       segmentation increases posteriorly       devided into several subsegments       not applicable       non segmented  3-8 thoracopod endopod carpus propodus        distinct       fused  3-8 thoracopod propodus        two-three subsegments       two subsegments       unsegmented       not applicable       segmentation increases posteriorly  3th thoracopod shape        forming pereopod       forming gnathopod  4th thoracopod shape        forming a pereopod       forming a gnathopod  antennal scale outer margin        smooth       serrated       not applicable  antennal scale outer margin setation        setose       without setae       not applicable  antennal scale precense        present       reduced       absent  antennal scale suturation        without apical suture       with apical suture       not applicable  antennal scale terminal spine        with spine       without spine       not applicable  eyes        normally developped       reduced  female pleopods        uniramous or greatly reduced       biramous       1st biramous, remaining reduced  labrum        symmetric       assymetric       produced anteriorly  mandible lacinia mobilis        well developed       reduced or absent  mandible molar process        well developped       reduced  mandible spines between lacinia mobilis and proces        present       absent       reduced to single spine  marsupium        2 pairs       3 pairs       7 pairs  maxillule endopod        reduced       with two articles  pleopods fifth pair        biramous       reduced  pleopods fourth pair        biramous       modified exopod       modified endopod  pleopods second pair        biramous       exopod elongated       rudimentary  pleopods third pair        biramous       exopod elongated       reduced  rostrum        obtuse       elongated       broadly rounded  telson cleft        apex entire       apex cleft       lateral margins constricted  uropod endopod devision        undevided       distal articulation  uropod endopod inner margin        inner margin robust setae       setose all around  uropod endopod statocyst        present       absent  uropod exopod devision        complete       with proximal articulation       with distal articulation  uropod exopod setation        setose around entire margin       outer margin with slender and robust setae       outer margin entire       outer margin with robust setae

Remaining taxa: Aberomysini Bacescu & Iliffe, 1986    Boreomysinae Holt & Tattersall, 1905 Erythropini Hansen, 1910    Gastrosaccinae Norman, 1892    Heteromysini Norman, 1892    Lepidomysidae Clarke, 1961    Leptomysini Czerniavsky, 1882    Mancomysini Bacescu & Iliffe, 1986    Mysidellinae Czerniavsky, 1882    Mysini Haworth, 1825    Petalophthalmidae Czerniavsky, 1882    Rhopalophthalminae Hansen, 1910    Siriellinae Czerniavsky, 1882    Stygiomysidae Caroli, 1937