Updates on information about free-living marine nematodes in Brazil: new records and comments on problems in taxonomic studies

Contribution to the morphological description of the marine leech, Ozobranchus margoi (Apáthy) (Rhynchobdellida: Ozobranchidae) by using combined histology, micro-CT and SEM

A new species of Paraleptophlebia Lestage, 1917 (Ephemeroptera: Leptophlebiidae) and a re-description of adults for Paraleptophlebia westoni Imanishi, 1937 with the first description of the larva, from the Russian Far East

A new genus and species of Pheronematidae (Porifera: Hexactinellida: Amphidiscosida) from the western Pacific Ocean

Mimogonellus dreybrodti sp. n., a new cave-inhabiting Osoriinae from Laos (Coleoptera: Staphylinidae)