1. Invertebrate structure and function;Barrington,1967
2. Morphology of fossil arthropods as a guide to phylogenetic relationships;Bergström,1978
3. The case of the nonubiquitous telson and the fraudulent furca;Bowman;Crustaceana, Leiden,1971
4. Bivalved arthropods from the Cambrian Burgess Shale of British Columbia;Briggs;Palaeontology, London,1977
5. The morphology, mode of life, and affinities of Canadaspis perfecta (Crustacea: Phyllocarida), Middle Cambrian, Burgess Shale, British Columbia;Briggs;Phil. Trans. R. Soc. London,1978