Størmer, L., Petrunkevitch, A. & Hedgpeth, J.W., 1955. Part P. Arthropoda 2: Chelicerata with sections on Pycnogonida and Palaeoisopus. In R.C. Moore (ed.), Treatise on Invertebrate Paleontology. Geological Society of America and University of Kansas Press, Lawrence: P1-P198. ≡
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