Three new species of oppiidae (oribatida)—Graptoppia (Apograptoppia) rooensis sp. nov., Neoamerioppia (Neoamerioppia) mexicoensis sp. nov., and Ramusella (Insculptoppia) quintanaensis sp. nov.—are described based on adults collected from leaf litter in a large karst pit in the secondary semi-evergreen tropical forest in Mexico. the subgenus Graptoppia (Apograptoppia) is recorded for the first time in the neotropical region.