Family Cossuridae Day 1963 (worm)
Pleistoannelida - Sedentaria - Cossuridae
Parent taxon: Scolecida according to C. J. Glasby et al. 2000
Sister taxa: Arenicolidae, Capitellidae, Maldanidae, Opheliidae, Orbiniidae, Paraonidae, Questidae, Scalibregmatidae
Subtaxa: none
Distribution: there are no occurrences of Cossuridae in the database