Chauliodoniscus coronatus sp. nov., a new deep-sea species from the Angola Basin (Crustacea, Isopoda, Asellota, Janiroidea, Haploniscidae)

A new isopod species of the family Haploniscidae is described. The new species was discovered in samples collected from the Angola abyssal plain (south-east Atlantic). Differences to related species of the genus are discussed. A row of several small tooth-like processes at the anterior margin of the cephalon is a conspicuous character of Chauliodoniscus coronatus sp. nov., which distinguishes it from all other members of the genus Chauliodoniscus.