W. Percy Sladen

30 June 1849 – 11 June 1900

• Asteroidea dredged in the Faeröe channel during the cruise of H.M.S. "Triton" in Aug. 1882
• Description of Mimaster
• Monograph on the British Fossil Echinodermata from the Cretaceous Formations
• On traces of ancestral relations in the structure of the asteroidea
• Report on a collection of echinodermata from the south-west coast of Ireland