Authors Year Title
Girty 1909 The fauna of the Caney Shale of Oklahoma.
Bulletin, U.S. Geological Survey, 377: 1-106, pl.1-13; Washington.
Girty 1911 The fauna of the Moorefield Shale of Arkansas.
Bulletin, U.S. Geological Survey, 439: 1-148, pl.1-15; Washington.
Gordon 1965 Carboniferous Cephalopods of Arkansas.
Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].
Kuzina & Yatskov 1990 Predstavateli nadsemeystva Neoglyphiocerataceae v Dombarskikh (Nizhniy Karbon) otlozheniyakh Novoy Zemli.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 243: 51-65, fig.1-9, pl.4,5; Moskva.
Ruzhencev & Bogoslovskaya 1971a Namiurskii etap v evoliutsii ammonodei. Rannenamiurskie ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 133: 1-382, fig.1-89, pl.1-40; Moskva.
Saunders, Manger & Gordon 1977 Upper Mississippian and lower and middle Pennsylvanian ammonoid biostratigraphy of Northern Arkansas.
Oklahoma Geolological Survey Guidebook 18: 117-137, fig.1-2, tab.1-2, pl.1-6.