An edrioasteroid from the Silurian Herefordshire Lagerstätte of England reveals the nature of the water vascular system in an extinct echinoderm

Derek E. G. Briggs, Derek J. Siveter, David J. Siveter, Mark D. Sutton, Imran A. Rahman
2017 Proceedings of the Royal Society of London. Biological Sciences  
doi:10.1098/rspb.2017.1189 pmid:28904139 fatcat:nwupwma2erbulau7t6vf3ivj2e