Pachycerianthus borealis Dataset NCBI Taxonomy Rank SPECIES Classification kingdom Metazoa phylum Cnidaria class Anthozoa order Spirularia family Cerianthidae genus Pachycerianthus species Pachycerianthus borealis Name Synonyms Cerianthus borealis Cerianthus borealis Verrill, 1873 Pachycerianthus borealis (Verrill, 1873) Homonyms Pachycerianthus borealis Pachycerianthus borealis (Verrill, 1873)