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The Liassic ichthyosaur Stenopterygius cf. quadriscissus from the lower Toarcian of Dobbertin (northeastern Germany) and some considerations on lower Toarcian marine reptile palaeobiogeography
Tooth sequence in certain trilophodont tetrabelodont mastodons; and, Trilophodon (Serridentinus) pojoaquensis, new species. Bulletin of the AMNH; v. 56, article 2.