Taxonomy and nomenclature of Enicocephalus flavicollis Westwood—type species of the type genus of the Enicocephalidae (Hemiptera: Heteroptera: Enicocephalomorpha)
A revised nomenclature and classification for family-group taxa of parrots (Psittaciformes)
On a collection of hydroids (Cnidaria, Hydrozoa, Hydroidolina) from the west coast of Sweden, with a checklist of species from the region