Harper, C. W.; Boucot, A. J. (1978). The Stropheodontacea, Part 1: Leptostrophiidae, Eostrophodontidae and Strophonellidae. Palaeontographica, Abteilung A. 161: 55-118.
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Harper, C. W.; Boucot, A. J.
1978
The Stropheodontacea, Part 1: Leptostrophiidae, Eostrophodontidae and Strophonellidae