Helminthoglyptidae
Subtitle: catalog of species
By: Leonard Richardson.
Series: Tryonia -- no. 6.
Publisher: Dept. of Malacology of the Academy of Natural Sciences of Philadelphia
Published: 1982
Place of publication: Philadelphia
Language: eng
Number of pages: 117
Subjects: Helminthoglyptidae.
Notes: Includes index.

"1 June 1982".

Bibliography: leaves 88-95.