Briggs, D. E. G., Siveter, D. J., Siveter, D. J., Sutton, M. D., & Rahman, I. A. (2017). An edrioasteroid from the Silurian Herefordshire Lagerstätte of England reveals the nature of the water vascular system in an extinct echinoderm. Proc Biol Sci.

Briggs, Derek E. G., Derek J. Siveter, David J. Siveter, Mark D. Sutton, a Imran A. Rahman. "An Edrioasteroid From the Silurian Herefordshire Lagerstätte of England Reveals the Nature of the Water Vascular System in an Extinct Echinoderm." Proc Biol Sci 2017.

Briggs, Derek E. G., et al. "An Edrioasteroid From the Silurian Herefordshire Lagerstätte of England Reveals the Nature of the Water Vascular System in an Extinct Echinoderm." Proc Biol Sci 2017.