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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Doratorhynchus is a generic replacement name for Pterodactylus validus, in 1875 suggested by Harry Govier Seeley. Today it is considered a nomen vanum. In 1870 Richard Owen named Pterodactylus validus based on holotype BMNH 40653, a thirty centimetres long partial wing finger phalanx from the Purbeck Limestone (Britain), identified as that of a pterosaur. The specific name means strong in Latin. In 1868 Seeley had obtained a vertebra and a jaw, from a quarry near Langton Matravers; in 1869 he had named these Pterodactylus macrurus. In 1875 he concluded that the remains were cospecific with P. validus and at the same time gave a separate genus name to the species: Doratorhynchus, from Greek dory, lance and rhynchos, snout , referring to the jaw form, so that the full species name became Doratorhynchus validus. He did not refer to BMNH 40653. Later the species was sometimes assigned to other genera, resulting in a Ornithocheirus validus (Newton 1888) and Cycnorhamphus validus (Owen 1870).

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