Language: Russian with extended summary in English
This monograph is devoted to the establishing of a new phylum of the animal kingdom - Cephalorhyncha - which includes four recent classes of worms, namely Priapulida, Loricifera, Kinorhyncha, and Nematomorpha. A review of morphology, biology, classification and phylogeny of all recent and fossil Cephalorhyncha is given, and there are extensive illustrations and SEM-pictures throughout.