Höltke, O. & Maxwell, E.E. & Rasser, M.W. (2024)
A Review of the Paleobiology of Some Neogene Sharks and the Fossil Records of Extant Shark Species. Diversity, 16(3), Article 147
DOI: 10.3390/d16030147

Höltke, O. & Maxwell, E.E. & Bracher, H. & Rasser, M.W. (2023)
The shark and ray teeth of the Lower Miocene (Upper Marine Molasse) from Ballendorf, Baden-Württemberg, Southern Germany. Palaeobiodiversity and Palaeoenvironments, 104, 153–180
DOI: 10.1007/s12549-023-00582-2

Höltke, O. & Salvador, R.B. & Rasser, M.W. (2023)
Trophic relationships in the Early Miocene Upper Marine Molasse of Baden-Württemberg, Southwest Germany, with special emphasis on the elasmobranch fauna. Palaeontologia Electronica, 26(3), Article a46
DOI: 10.26879/1233

Höltke, O. & Maxwell, E.E. & Pollerspöck, J. & Rasser, M.W. (2022)
The shark and ray fauna of the Upper Marine Molasse (Lower Miocene) of Rengetsweiler (Baden-Württemberg, SW Germany). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 303(1), 89–122
DOI: 10.1127/njgpa/2022/1038

Höltke, O. & Maxwell, E.E. & Pollerspöck, J. & Rasser, M.W. (2022)
The shark and ray teeth of the Lower Miocene (Upper Marine Molasse) from Äpfingen, Baden-Württemberg, Southern Germany. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 305(3), 323–342
DOI: 10.1127/njgpa/2022/1092

Höltke, O. & Rasser, M.W. & Unger, E. & Pollerspöck, J. (2020)
The Elasmobranch Fauna from the Upper Marine Molasse (Lower Miocene, Burdigalian) of Ursendorf (District Sigmaringen, Baden-Württemberg, SW-Germany). Palaeontos, 33, 1‒56

Höltke, O. (2014)
Haifischbecken Ursendorf. Fossilien, 2014(2), 20–25