Wright, C. W.; Callomon, J. H. (1996). Part L, Mollusca 4 (Revised), Volume 4: Cretaceous Ammonoidea. Treatise on Invertebrate Paleontology. The Geological Society of America & University of Kansas, Boulder, Colorado. 308 pp.
476741
Wright, C. W.; Callomon, J. H.
1996
Part L, Mollusca 4 (Revised), Volume 4: Cretaceous Ammonoidea
Treatise on Invertebrate Paleontology
The Geological Society of America & University of Kansas, Boulder, Colorado. 308 pp.