4 Order: Cladocera Family: Daphnidae Genus: Daphnia Ocellus absentHead peak near body midlineFront of head not concaveOcellusAntennae setae do not reach end of carapceA. Bosak BMICA. Bosak BMICLong tail spineDaphnia galeata mendotaeDaphnia retrocurva
5 Order: Cladocera Family: Holopedidae Humpbacked carapaceA. Bosak BMICSurrounded by a gelatinous mantleHolopedium gibberum
6 Order: Cladocera Family: Leptodoridae Carapace reducedSingle compound eyeA. Bosak BMICBody long and slenderLeptodora kintii
12 Order: Cyclopoida Family: Cyclopidae Lateral setae between middle and end third of ramiOuter setae not thicker spineA. Bosak BMICShort antennae Reach past cephalic segment, but not to genital segmentDiacyclops thomasi
13 Order: Cyclopoida Family: Cyclopidae Short antennae Reach past cephalic segment, but not to genital segmentOuter setae modified into spineA. Bosak BMICRami not elongateEucyclops agilis
14 Order: Cyclopoida Family: Cyclopidae Inner setae twice the length of ramusInner setae longer than ½ longest setaeA. Bosak BMICShort antennae Reach past cephalic segment, but not to genital segmentMesocyclops edax
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