Waggoner, B. M. (1996). «Phylogenetic Hypotheses of the Relationships of Arthropods to Precambrian and Cambrian Problematic Fossil Taxa». Systematic Biology45 (2): 190-222. JSTOR2413615. doi:10.2307/2413615.
jstor.org
Waggoner, B. M. (1996). «Phylogenetic Hypotheses of the Relationships of Arthropods to Precambrian and Cambrian Problematic Fossil Taxa». Systematic Biology45 (2): 190-222. JSTOR2413615. doi:10.2307/2413615.