. 2015 Feb 16;(482):67–89. doi: 10.3897/zookeys.482.8453
Joan E. Ball-Damerow, Peter T. Oboyski, Vincent H. Resh
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Figure 2.
Total number of records and number of species by decade.