Template:Clark, 1893
- Clark, W.B. 1893. The Mesozoic Echinodermata of the United States. U.S. Geological Survey Bulletin. 97: 1–101. BHL.
Nomenclatural acts
editNew names
edit(List may be incomplete)
![]() |
For more multimedia, look at Clark, 1893 on Wikimedia Commons. |