Ontogeny and relationships of the trilobite Pseudopetigurus Prantl and Pibyl

Y. Wenwei, R. A. Fortey, and S. T. Turvey

2006

Article

Palaeontology 49(3):537-546

Find it at:

http://dx.doi.org/10.1111/j.1475-4983.2006.00546.x