Kenostrychus is a monospecific genus of polychaete worms known from exceptional 3D fossils from the Silurian aged Herefordshire lagerstatte of England.[1][2]
With 250 specimens known as of 2019, it is the most abundant non-arthropod fossil there.[3]
^Siveter, Derek J.; Briggs, Derek E. G.; Siveter, David J.; Sutton, Mark D. (2020). "The Herefordshire Lagerstätte: Fleshing out Silurian marine life". Journal of the Geological Society. 177 (1): 1–13. Bibcode:2020JGSoc.177....1S. doi:10.1144/jgs2019-110.