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.. (1975) Paracrioceras Hoplocrioceras Sparh, 1924. ( : Rawson P.F. 1975. The interpretation of the Lower Cretaceous heeeromorph ammonite genera Paracrioceras and Hoplocrioceras Sparh, 1924. Palaeontology, 18, p.275-283, 2 fig., pl. 43.)



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