D. G. Perry's research while affiliated with The University of Western Ontario and other places

Publication (1)

Article
The Ogilvie Formation, formerly dated as Eifelian and Givetian, is locally confined to the Early Devonian, Emsian. Regionally the top of the Ogilvie is markedly diachronous ranging in age from Emsian to Givetian. The Ogilvie Formation conformably overlies the Late Silurian to Early Devonian Gossage and/or early Emsian Michelle and Cranswick Formati...

Citations

... The same can be argued for T. aff. T. occidens Perry, Klapper & Lenz, 1974, from Nevada and Arctic Canada as described by Jones and Smith (1985). The specimens cited by Perry (1984) as T. cf. ...