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Catalogue of the Blastoidea in the Geological Department of the British Museum (natural History), with an Account of the Morphology and Systematic Position of the Group, and a Revision of the Genera and Species

Robert EtheridgePhilip Herbert Carpenter

出版	Taylor & Francis, 1886
URL	http://books.google.com.hk/books?id=V2-SIh6yIvcC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN