Catalogue of the fossil bryozoa (Polyzoa) in the Department of Geology, British Museum (Natural History) - British Museum (Natural History). Department of Geology; Gregory, John Walter, 1864-; Lang, William Dickson, 1878- (London : Printed by Order of the Trustees, 1899)
Vols 1-2 have title: Catalogue of the fossil Bryzoa ... The Cretaceous Bryzoa ... by J.W.Gregory, 1899-1909. Vols. 3-4, The Cribrimorphs, by W.D.Lang, 1921-22
Keywords: Polyzoa, Fossil; Paleontology -- Cretaceous