Middle Silurian Ludlovian and Wenlockian sponges from Baillie-Hamilton and Cornwallis Islands, Arctic Canada, by J.Keith Rigby and Brian D.E. Chatterton
Contributors: Chatterton, B.D.E.
Publisher: Canadian Geological Survey
Place of publication: Ottawa
Language: eng
Number of pages: 69
Subjects: Sponges, Fossil
Notes: 11