Carter, J. L. (1990). New brachiopods (Brachiopoda, Articulata) from the late Osagean of the upper Mississippi valley. Annals of Carnegie Museum. 59(3): 219-247, Figures 1-11.
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Carter, J. L.
1990
New brachiopods (Brachiopoda, Articulata) from the late Osagean of the upper Mississippi valley