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 - British Museum (Natural History). Department of Geology; Etheridge, Robert, 1846-1920; Carpenter, Philip Herbert, 1852-1891 (London : Printed by Order of the Trustees, 1886)
Keywords: Blastoidea