The Middle Eocene Eurotamandua and a Darwinian Phylogenetic Analysis of "Edentates"Frederick S. Szalay, Friedemann Schrenk
Frederick S. Szalay, Friedemann Schrenk (1998): The Middle Eocene Eurotamandua and a Darwinian Phylogenetic Analysis of "Edentates" – Kaupia - Darmstädter Beiträge zur Naturgeschichte – 7: 97 - 186.