Didactyl tracks of paravian theropods (Maniraptora) from the ?Middle Jurassic of Africa.

por Alexander Mudroch, Ute Richter, Ulrich Joger, Ralf Kosma, Oumarou Idé, Abdoulaye Maga
Publicado 2011

New ophthalmosaurid ichthyosaurs from the European Lower Cretaceous demonstrate extensive ichthyosaur survival across the Jurassic-Cretaceous boundary.

por Valentin Fischer, Michael W Maisch, Darren Naish, Ralf Kosma, Jeff Liston, Ulrich Joger, Fritz J Krüger, Judith Pardo Pérez, Jessica Tainsh, Robert M Appleby
Publicado 2012