Similar Sipunculus, Priapulidae, Haplodrili, Golfingiidae, Sipunculidea | ||
Gephyrea is a now-dismantled taxon that was considered to be a class of annulated worms, containing the three modern phyla Echiura, Sipuncula, and Priapulida.
References
Gephyrea Wikipedia(Text) CC BY-SA