Studies on the Zoarcidae of the southern hemisphere. X. New records from western Antarctica

Parapionosyllis (Polychaeta: Syllidae: Exogoninae) from Tenerife (Canary Islands, Spain) with description of a new species and new records

A new acuariid species (Spirurida, Acuariidae) and other nematodes from Hydromys (Muridae, Hydromyinae) from Papua, Indonesia and Papua New Guinea

A new species of freshwater leech of the genus Haementeria (Annelida: Glossiphoniidae) from Jalisco State, Mexico

Homology of the gonostylus parts in crane flies, with emphasis on the families Tipulidae and Limoniidae (Diptera, Tipulomorpha)

A new dendrobatid frog (Anura: Dendrobatidae: Colostethus) from Aprada tepui, southern Venezuela