Waterhouse, J. B. (1968). New Species of Megousia Muir-Wood and Cooper and Allied New Genus from the Permian of Australia and North America. Journal of Paleontology. 42(5): 1171-1185.
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Waterhouse, J. B.
1968
New Species of <i>Megousia</i> Muir-Wood and Cooper and Allied New Genus from the Permian of Australia and North America