Canadian fossils, descriptions of some new genera and species from the Silurian and Devonian formations of Canada
Subtitle: with some species previously described, but now for the first time indicated as occurring in Canada
By: by E. Billings
Contributors: Geological Survey of Canada
Publisher: Printed by John Lovell
Published: 1857
Place of publication: Montreal
Language: eng
Number of pages: 31
Notes: "Extracted from the report of the Geological Survey of Canada for the year 1857".