original description
Dickerson, R. E. 1915. Fauna of the type Tejon: its relation to the Cowlitz Phase of the Tejon Group of Washington. Proceedings of the California Academy of Sciences, series 4, 5(3):33-98, 11 pls.
page(s): 60, pl. 6, fig. 6 [details]
From editor or global species database
Type locality Locality 183, in the west bank of the Cowlitz River about one and three-fourths miles southeast of Vader (Little Falls), Washington, United States; Cowlitz Formation, Bartonian, late Eocene [details]