First Permian occurrence of the shark egg capsule morphotype Palaeoxyris Brongniart, 1828. Fischer, S. Voigt,
H. Kerp, J. W.
Schneider, and F. Scholze. 2016. First Permian occurrence of the shark
First Permian occurrence of the shark egg capsule morphotype Palaeoxyris Brongniart, 1828. Fischer, S. Voigt,
H. Kerp, J. W.
Schneider, and F. Scholze. 2016. First Permian occurrence of the shark