Rathbun, M.J. (1900). Synopses of North-American Invertebrates. VII. The Cyclometopus or Cancroid Crab of North America. American Naturalist. 34(398): 131-143.
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Rathbun, M.J.
1900
Synopses of North-American Invertebrates. VII. The Cyclometopus or Cancroid Crab of North America