Full reference: L. J. Hickey. 1977. Stratigraphy and paleobotany of the Golden Valley Formation (Early Tertiary) of western North Dakota. The Geological Society of America Memoir 150:1-183
Sister taxa: none
Type specimen: 42828 A and B. Its type locality is USNM 14079, Section 6, which is in a Clarkforkian channel siltstone/shale in the Golden Valley Formation of North Dakota.
Total: 58 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.