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Halitherium schinzi die fossile Sirene des Mainzer Beckens BHL. Halitherium schinzi die fossile Sirene des Mainzer Beckens Eine vergleichendanatomische Studie von Dr Lepsius Foldout Drawing biodiversitylibrary org title Lepsius Richard NOTINCOPYRIGHT Biodiversity Heritage Library PDold Halitherium schinzi die fossile Sirene