Groves, J. R.; Boardman, H. (1999). Calcareous smaller foraminifers from the lower Permian Council Grove Group near Hooser, Kansas. Journal of Foraminiferal Research. 29: 243-262.
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Groves, J. R.; Boardman, H.
1999
Calcareous smaller foraminifers from the lower Permian Council Grove Group near Hooser, Kansas