Abstract
The species of the genera Longistrongylus, Kobusinema and Bigalkenema are redescribed. Kobusinema and Bigalkenema are considered synonyms of Longistrongylus and their species are transferred as new combinations. Bigalkenema neveulemairei (Gutteres, 1947) Jansen, 1958 and Longistrongylus muraschkinzevi (Shulz and Kadenatsii, 1950), Jansen, 1958 are considered species inquirendae. A key to the species of the genus Longistrongylus is given and their hosts and geographical localities are listed.