00979cam a22002651a 4500 gs 28000326 DLC 20260227111333.0 820527s1928 enkaf 000 0 eng c gs 28000326 (OCoLC)8469362 U.S. Geol. Survey. Libr. ArU DLC premarc QE797.P9 M8 Muir-Wood, Helen M. (Helen Marguerite) The British Carboniferous Producti : II. Productus (sensu stricto); Semireticulatus and Longispinus groups / by Helen Marguerite Muir-Wood. London : H.M. Stationery Off., 1928. 217, [1] p, 12 l. incl. ill. : XII pl. ; 28 cm. Gt. Brit. Geological survey. Memoirs ... palæontology ; v.3, pt.1 Issued December 22, 1928. List of works cited: p. 197-212. Paleontology Carboniferous. Paleontology Great Britain. Brachiopoda, Fossil. 26663 26663