This book is a taxonomic guide to serpulid polychaetes (including the subfamily Spirorbinae) of the Arctic Ocean. Taxonomic keys include 37 serpulid species described and illustrated in detail. The book starts with a description of serpulid morphology and includes a comprehensive glossary. Taxonomic treatment of species includes basic synonymy, references, and brief differential diagnoses. Information is also available on species reproduction, geographical distribution, and habitats in the Arctic Basin. Species illustrations are presented as light and scanning electron microscopy micrographs, photos of live specimens and line drawings. Field Guide to Calcareous Tubeworms (Polychaeta, Serpulidae) of the Arctic Ocean is based on extensive (over 600 samples) material collected all over the Arctic Ocean and deposited in Russia, Iceland, Germany, Norway, and Australia. The guide is based on the same material as Rzhavsky et al. (2014) Calcareous Tubeworms (Polychaeta, Serpulidae) of the Arctic Ocean, but it has another concept and target user: it is a simplified and lavishly illustrated field guide for identification of calcareous tubeworms in the field and laboratory.