Eusyllis fragilis är en ringmaskart som först beskrevs av Webster 1879. Eusyllis fragilis ingår i släktet Eusyllis och familjen Syllidae. Inga underarter finns listade i Catalogue of Life.
Källor Fauchald, Kristian (2007) World Register of Polychaeta, Hartman, O. (1944) New England Annelida. Part 2. Including the unpublished plates by Verrill with reconstructed captions. Bulletin of the American Museum of Natural History, 82(7): 331-343., Pettibone, Marian H. (1963) Marine polychaete worms of the New England region. I. Aphroditidae through Trochochaetidae. Bulletin of the United States National Museum, 227(1): 1-356., WoRMS Polychaeta: World List of Polychaeta. Read G. & Fauchald K., 2010-12-10 Webster, Henry E. (1879) The Annelida Chaetopoda of the Virginian coast. Transactions Albany Institute New York, 9: 202-272., Verrill, A.E. (1881) Notice of recent additions to the marine invertebrata of the northeastern coast of America, with descriptions of new genera and species and critical remarks on others. Part 2. Mollusca, with notes on Annelida, Echinodermata, etc. collected by the United S,
Kategori:Havsborstmaskar fragilis