Jordan, D. S. & Evermann, B. W. 3 Oct 1896 ["1896"]. Bulletin of the United States National Museum. 47: 187.
Girard, C. F. 1857. Proceedings of the Academy of Natural Sciences of Philadelphia. 8: 172.
Type Status:
Lectotype
Syntype
Place:
Missouri River at Fort Pierre, Stanley County, South Dakota, United States, North America
Collection Date:
1853 to 1855
Notes:
This specimen is probably the same as usnm 173; it was published as usnm 20263 by jordan and evermann (1896), who designated it as lectotype by inference