Phylum Porifera

Animal colonial or colonial filter feeders that possess an internal body cavity, but the inability of the contractile activity due to the lack of muscle.

Taxonomic structureSpeciesDescriptionAuthorsLiterature

	Class Calcarea Key features are not set
	Class Demospongiae Key features are not set

	1. PhD Zakharov Denis V. The project leader Academic degree: PhD Occupation: senior scientist Workplace: Polar Research Institute of Marine Fisheries and Oceanography (PINRO) Taxonomic group: Gastropoda E-mail: zakharden@yandex.ru
	2. Zimina Olga L. The project leader Occupation: scientist Workplace: Murmansk Marine Biological Institute (MMBI) Taxonomic group: Malacostraca, Cirripedia, Pycnogonida E-mail: o.l.zimina@gmail.com