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.