Title: Some Mexican land snails of the genera Coelostemma and Metastoma (Urocoptidae)
First published: 1971
Subjects: Classification, Mollusks, Coelostemma, Metastoma
Places: Mexico
LC classification: QH1 .F6 vol. 15, no. 5, QL430.5.U68 .F6 vol. 15, no. 5