Li, Z.-S. (1982). Gastropoda. In: Regional Geological Survey Team of Nei Monggol (Ed.) The Mesozoic Stratigraphy and Paleontology of Guyang Coal-Bearing Basin, Neimenggol Autonomous Region, China. Geological Publishing House, Beijing, pp. 43-48.
428498
Li, Z.-S.
1982
Gastropoda
In: Regional Geological Survey Team of Nei Monggol (Ed.) The Mesozoic Stratigraphy and Paleontology of Guyang Coal-Bearing Basin, Neimenggol Autonomous Region, China. Geological Publishing House, Beijing, pp. 43-48