Family Halicryptidae Salvini-Plawen 1974 (priapulid worm)
Parent taxon: Priapulida according to M.A. Wills et al. 2012
Sister taxa: Acosmia, Archaeopriapulida, Archotuba, Badgiromorpha, Corynetis, Eximipriapulus, Maccabeidae, Omnidens, Palaeoscolecidomorpha, Priapulidae, Priapulomorpha, Selkirkiimorpha, Sicyophorus, Tubiluchidae, Xiaoheiqingidae
Subtaxa: none
Ecology: facultatively mobile shallow infaunal carnivore
Distribution: there are no occurrences of Halicryptidae in the database