Zerina Johanson

This study examines the early ontogenetic development of tessellated calcified cartilage in chondrichthyans across four groups, revealing morphological diversity and developmental timing of specialized features.

The paper identifies genes and regulatory networks involved in shark tooth regeneration using RNAseq, highlighting the role of mycn in dental stem cell proliferation.

This paper describes three-dimensional Cretaceous shark fossils that provide insights into the skeletal evolution of galeomorph sharks.

This study examines the morphological and mechanical diversity of pelagiarian fish mandibles, finding that habitat depth and tooth type correlate with jaw shape, while mechanical advantage varies independently.