ANNOTATED CHECKLIST OF MONOGONONT ROTIFERS BELONGING TO THE ORDER PLOIMA (ROTIFERA: EUROTATORIA, MONOGONONTA, PLOIMA) OF UKRAINE PART I

A checklist of monogonont rotifers belonging to the Order Ploima found in Ukraine is completed on the base of literature and authors’ data. Its first part includes 342 species-level taxa belonging to 41 genera and 11 families (Notommatidae, Ituridae, Scaridiidae, Trichocercidae, Gastropodidae, Synchaetidae, Lindiidae, Dicranophoridae, Asplanchnidae, Microcodidae, Lecanidae); the list of localities and habitats for each species along with modern synonymy and notes on species taxo- nomy is also provided.