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Furnish & Saunders |
1971 |
Ammonoids from the Middle Chester Beech Creek Limestone, St. Clair County.
University of Kansas paleontological Contributions, 51: 1-14, fig.1-3, pl.1-2.
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Meeks, Titus & Manger |
1997 |
Taphonomy and Biostratigraphy of Ammonoid Cephalopods, Fayetteville Shale (Middle Chesterian, Mississippian), northern Arkansas, United States.
Proceedings of the XII International Congress on the Carboniferous and Permian, Krakow 1995, 1, Prace Panstw.Inst.Geol.,157: 311-317, 1 fig., pl.1, Krakow.
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