Genus: Hypacrosaurus
Species: stebingeri HORNER & CURRIE, 1994
CURRIE, 1987/ CURRIE & HORNER, 1988/HORNER, & CURRIE, 1994
Locality: Little Diablo’s Hill, Nest No 2, Devil’s Coulee, Milk River Ridge, Warner County, Southern Alberta Province, Canada.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
RTMP 88.79.36: 4 unprepared broken eggs with embryonic bone.
Locality: Little Diablo’s Hill, Nest No. 3, Devil’s Coulee, Milk River Ridge, Warner County, Southern Alberta Province, Canada.Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
RTMP 87.79.22: Broken egg containing an articulated skeleton with skull.
Locality: Little Diablo’s Hill, Nest RTMP 89.79.53, Devil’s Coulee, Milk River Ridge, Warner County, Southern Alberta Province, Canada.Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:Specimens found several meters east and 25 cm higher than Nest No. 2. 8 eggs and probably more originally.
Locality: Little Diablo’s Hill, Devil’s Coulee, Milk River Ridge, Warner County, Southern Alberta Province, Canada.Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Isolated eggs, RTMP 88.79.34, 35, found near Nests 2 and 5. Eggs may have been washed out been expelled form these nests.
Locality: Devil’s Coulee, Warner County, Southern Alberta Province, Canada.Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given: Nests, eggs, embryos and hatchlings of a hadrosaur.