
Orthacanthus meridionalis, a new xenacanth shark (Elasmobranchii) from the Upper Carboniferous of the Puertollano basin, Spain. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 204(2), 141–169

New discoveries of xenacanth sharks from the Late Carboniferous of Spain (Puertollano Basin) and Early Permian of Germany (Saar-Nahe Basin): Implications for the phylogeny of xenacanthiform and anacanthous sharks. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 205(1), 1–31
DOI: 10.1127/njgpa/205/1997/1

Revision der Gattung Orthacanthus Agassiz 1843 (Chondrichthyes: Xenacanthida). Paläontologische Zeitschrift, 72(1/2), 135–147
DOI: 10.1007/BF02987822

Occipital spine of Orthacanthus (Xenacanthidae, Elasmobranchii): structure and growth. Journal of Morphology, 242(1), 1–45
DOI: 10.1002/(SICI)1097-4687(199910)242:1<1::AID-JMOR2>3.0.CO;2-9

The Late Carboniferous and Permian: Aquatic vertebrate zonation in Southern Spain and German basins. Courier Forschungsinstitut Senckenberg, 223, 543–561

Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.