Treatise on invertebrate paleontology
by Geological Society of America, Clark, David L., Robinson, R. A., Wright, C. W., Calloman, J. H., Furnish, William M., Hill, Dorothy, Rigby, J. Keith, Teichert, Curt, Williams, Alwyn, Whittington, H. B., Howarth, M. K., Feist, Monique, Carpenter, F. M.
Treatise on invertebrate paleontology
by Wright, C. W., Calloman, J. H., Howarth, M. K.
Mollusca
by Wright, C. W., Howarth, M. K., Callomon, J. H.
fromTreatise on invertebrate paleontology
Treatise on invertebrate paleontology
by Wright, C. W., Calloman, J. H., Howarth, Michael K.
Treatise on invertebrate paleontology
by Geological Society of America, Clark, David L., Robinson, R. A., Wright, C. W., Calloman, J. H., Furnish, William M., Hill, Dorothy, Rigby, J. Keith, Teichert, Curt, Williams, Alwyn, Carpenter, F.M, Whittington, H. B., Howarth, M. K., Feist, Monique
Treatise on invertebrate paleontology
by Geological Society of America, Society of Economic Paleontologists and Mineralogists, Moore, Raymond C., (Raymond Cecil), Wright, C. W., Kaesler, Roger L., Paleontological Society, University of Kansas., Paleontological Institute, Palaeontological Association