Denuded skeleton of Henricia epiphysialis sp. nov. A abactinal plates B madreporite (arrow) C part of abactinal and lateral side of arm D plates on the lateral and actinal side of arm E actinal plates F oral part. Abbreviations: ab abactinal side ls lateral side eo epiphyseal ossicles p papula s superomarginal plates in intermarginal plates i inferomarginal plates v ventrolateral plates a adambulacral plates am ambulacral plates o oral plates.