A juvenile skull of the primitive ornithischian dinosaur Heterodontosaurus Tucki from the Early Jurassic ('Stormberg': ?Upper Elliot Formation) of Southern Africa

by Butler, Richard J., Porro, Laura B., Norman, David B.
Source: 1. 6th Meeting of the European association of vertebrate palaeontologists 1. Spišská Nová Ves : Múzeum Spiša, 2008 1. 9788085173031 1. S. 27