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Trait de palontologie Pl. XCV . ECHINODERMES Echinides PI xcv lackerhuer del lithecquei frres Clypastrodes Publi parJ Baillire et fik Libraires SI Paris Pl XCV Illustration biodiversitylibrary org title Pictet Franois Jules Biodiversity Heritage Library Trait de palontologie Fossils Paleontology Pictorial works Harvard