Roberts, J. (1964). Lower Carboniferous brachiopods from GreenhiIls, New South Wales. <em>Journal of the Geological Society of Australia.</em> 11(2): 173-194, piates 1-6.[details] Available for editors
original descriptionRoberts, J. (1964). Lower Carboniferous brachiopods from GreenhiIls, New South Wales. <em>Journal of the Geological Society of Australia.</em> 11(2): 173-194, piates 1-6.[details] Available for editors