Catalogue of the Blastoidea in the Geological Department of the British Museum (Natural History) : with an account of the morphology and systematic positionof the group, and a revision of the genera and species
British Museum (Natural History). Department of Geology.
Carpenter, P. Herbert (Philip Herbert), 1852-1891
Etheridge, Robert, 1846-1920
London :Printed by order of the Trustees,1886.
British Museum (Natural History)
Dept. of Geology
Natural History Museum (London) Publications
QE783.B6 B8 1886
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