Cypress hills, Cypress County, Alberta, Canada; Ravenscrag Formation, Paleocene [details]
No type locality stated, other than "It has been found in both the Pale beds and Foremost members of the Belly ... [details]
Unnamed locality east of road 501, Warner County No. 5, Alberta, Canada; Foremost Formation, Campanian, late Cretaceous [details]
No type locality stated, other than "It is abundant at two localities in the Pale beds and other specimens were ... [details]
No type locality stated, other than "Abundant in the Willow Creek and Edmonton formations, and one specimen was ... [details]
No type locality stated, other than "Comparatively abundant in the St. Mary River formation and a few specimens ... [details]
No type locality stated, other than "It occurs only in the Foremost member of the Belly River formation" [of ... [details]
"Brosseau (Ribstone Creek) formation, North Saskatchewan river above Saddle Lake creek, sec. 8, tp. 37, range 12, ... [details]
"Fossil coulée (about sec. 17, tp. 4, range 19, W. 4th mer.)" (S Alberta, Canada) [details]
"Foremost beds on South Saskatchewan river" (S Alberta, Canada) [details]
"Foremost beds, South Saskatchewan river one mile below the mouth of Bow river" (S Alberta, Canada) [details]
Taber (N of Oldman River), Alberta, Canada; Foremost Formation, Campanian, late Cretaceous [details]
East side of Willow Creek, c. 3.5 miles S of Granum, Alberta, Canada; Willow Creek Formation, Maastrichtian to Danian, ... [details]
No type locality stated, other than "It is rare in the Pale beds and in the Foremost member of the Belly River ... [details]
No type locality stated, other than "The species is rather rare in the Edmonton formation and one specimen from the ... [details]