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THE discovery of labyrinthodont amphibia in the Coal Measures is most unusual. Most of the finds on which our knowledge of these forms is based were made in the past century and have been summarized elsewhere1. The only major discovery to be made in this century was the Coope Collection from Swanwick Colliery, Derbyshire, in the Yorkshire and East Midland coalfield, and some material from this collection has already been described2. Although the Low Main Seam at Newsham, Northumberland, was a classic collecting site in the past century, there have been no records of finds of fossil Amphibia from the Durham coalfield.