Template:Harper & Boucot, 1978

• Harper, C.W. Jr. & Boucot, A.J. 1978. The Stropheodontacea, Part II: Douvillinidae, Telaeoshaleriidae, Amphistrophiidae and Shaleriidae. Palaeontographica Abteilung A, Band A161, Lieferung 4–6, pp. 119–175.  
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