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Leonova & Boiko |
2011 |
Reviziya Permskogo Semeystva Ammonoidey Thalassoceratidae Hyatt [Revision of the Permian Ammonoid Family Thalassoceratidae Hyatt]
Paleontological zhurnal, no. 6, pp. 7-16 [Paleontological Journal, vol. 45, no. 6, pp. 599–608].
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Ruzhencev |
1950 |
Verkhnekamennougol'nye ammonity Urala.
Trudy Paleont. Inst., Akad. Nauk SSSR, 29: 1-220, fig.1-84, pl.1-15; Moskva.
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Work & Boardman |
2003 |
Mapesites, a new Upper Pennsylvanian (lower Virgilian) ammonoid from Kansas.
Journal of Paleontology, 77: 1195-1197, 2 fig., Lawrence, KS.
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