Taxonomic evaluation of eleven species of Microcyclops Claus, 1893 (Copepoda, Cyclopoida) and description of Microcyclops inarmatus sp. n. from America

Microcyclops ceibaensis (Marsh, 1919). Adult female. A Prosomal fringes, dorsal B P1, frontal (USNM-222299) C P1, caudal (km 51-2) D P2 intercoxal sclerite, inner coxa and basis, caudal (USNM-222299) E P2, frontal (km 51-2) F P3 sclerite, inner coxa and basis, frontal (USNM-222298) G P3 intercoxal sclerite, coxa and basis, caudal (km 51-1) H P3 intercoxal sclerite, caudal (km 51-2) I P4 intercoxal sclerite, coxa and basis, caudal (USNM-222299) J Enp3P4 (USNM-222299) K P4, caudal (km 51-2) L P6. Scale bars: 50 µm.