Supplementary Information from A new ophiocistioid with soft-tissue preservation from the Silurian Herefordshire Lagerstätte, and the evolution of the holothurian body plan Imran A. Rahman Jeffrey R. Thompson Derek E. G. Briggs David J. Siveter Derek J. Siveter Mark D. Sutton 10.6084/m9.figshare.7892768.v1 https://rs.figshare.com/articles/journal_contribution/Supplementary_Information_from_A_new_ophiocistioid_with_soft-tissue_preservation_from_the_Silurian_Herefordshire_Lagerst_tte_and_the_evolution_of_the_holothurian_body_plan/7892768 Description of characters used in phylogenetic analyses 2019-03-26 08:54:10 Echinodermata Ophiocistioidea Holothuroidea Herefordshire Lagerstätte Silurian water vascular system