Re: HYPACROSAURUS stebingeri

[Dinogeorge@aol.com]

In a message dated 97-11-29 03:00:41 EST, fb@nrc.nl writes:

<< I'am ordering "The Encyclopedia of Dinosaurs" (Curry and Padigan) by my
 bookstore at the end of this year. I asume that i can find information
 of H. stebingeri in it. Until its in my possesion in would appriciate if
 someone could provide my the following information on H. stebingeri;
 
 Fossilsite:
 Horizon:
 Size:
 
 Anything more is also welcome.
 
 Thanks in advance. >>

>From the copious files of Tracy Ford:

Species: stebingeri HORNER & CURRIE, 1994
Etymology: Stebingeri, to honor the late Eugene Stebinger, who first
described the Two Medicine Formation and discovered the first remains of this
species.

Holotype: MOR 549

Locality: TM-065, Badger Creek, Glacier County, Montana.

Horizon: Upper Two Medicine Formation, Late Campanian, Late Cretaceous.

Material: Nearly complete skull and skeleton.

Referred material:

AMNH 5461, MOR 355, 455, 548, 553, 559, 562, USNM 7948 and 11893:
____          ____          ____          ____          ____          ____

CURRIE, 1987/ CURRIE & HORNER, 1988/HORNER, & CURRIE, 1994

Locality: Little Diablo's Hill, Nest No 2, Devil's Coulee, Milk River Ridge,
Southern Alberta, Canada.

Horizon: Judith River Formation, Campanian, Late Cretaceous.

Material:.

RTMP 88.79.36: 4 unprepared broken eggs with embryonic bone.

RTMP 88.79: Disarticulated bones from at lest 3 individuals found along the
eroded edge of the nest.

RTMP 88.79.52: A single associated individual from the nest.

RTMP 88.79.334, 87.79.370: Articulated pair of premaxillae.
 
RTMP 87.79.108, 153, 238, 306: 5 right maxillae.

RTMP 87.79.154, 286, 336: 3 Left maxillae.

RTMP 87.79.332: Left jugal.

RTMP 87.79.369: Right jugal.

RTMP 87.79.333, 87.79.364: 2 left postorbitals..

RTMP 87.79.241, 374: 2 sets of parietals.

RTMP 87.79.18, 77, 320: 3 left quadrates.

RTMP 87.79.298: 1 right quadrate.

RTMP 87.79.206: Left frontal.

RTMP 87.79.371, 372: A pair of frontals.

RTMP 87.79.307: Left exoccipital.

RTMP 87.79.158: Left and 2 right exocciptials.

RTMP 87.79.227: Left laterosphenoid.

RTMP 87.79.373: Right latersphenoid.

RTMP 87.79.201, 303: Left and right prootic.

RTMP 87.79.335: Parasphenoid-basisphenoid.

RTMP 87.79.157, 193: Basiocciptials.

RTMP 87.79.193: Predentary.

RTMP 87.79.266, 267: Pair of lower jaws.

RTMP 87.79.50, 51, 52, 149, 150, 151: Left dentary fragments.

RTMP 87.79.53, 152, 253: Right dentary fragments.

RTMP 87.79.247: Left ectopterygoid.
____          ____          ____          ____          ____          ____

Locality: Little Diablo's Hill, Nest No. 3

RTMP 87.79.22: Broken egg containing an articulated skeleton with skull.
____          ____          ____          ____          ____          ____

Locality: Little Diablo's Hill, Nest No.5.

RTMP 87.79.17: Right prefrontal.

RTMP 87.79.16: Laterosphenoid.

RTMP 87.79.18: Right exoccipital.

RTMP 87.79.6: Right dentary.

Specimens small representing embryos arrested earlier in development.
____          ____          ____          ____          ____          ____

Locality: Little Diablo's Hill, Nest RTMP 89.79.53

Specimens found several meters east and 25 cm higher than Nest No. 2. 8 eggs
and probably more originally.
____          ____          ____          ____          ____          ____

Locality: Little Diablo's Hill.

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: North Babby Butte, locality stratigraphically lower than Little
Diablo's Hill.

RTMP 87.77.92: Left prefrontal.

RTMP 87.77.88, 89, 90: 3 basiocciptials.

RTMP 87.77.83., 85, 86, 138: 5 dentary fragments.
____          ____          ____          ____          ____          ____

Locality: Kiddie's Corner, Locality 100 m from and 10 m below Little Diablo's
Hill.

RTMP 87.80.25: Fragments of left jugal.

RTMP 87.80.26: Left dentary.
____          ____          ____          ____          ____          ____

Number:

Locality: 50 kilometers southwest of Devil's Coulee at Landslide Butte,
Glacier County, Montana.

Horizon: Judith River Formation, Campanian, Late Cretaceous.

Material: Eggs, nests, embryos, hatchlings and adults skeletons.
Note: HORNER, 1993: 5 skulls representing embryo, nestling, juvenile,
subadult and adult.
____          ____          ____          ____          ____          ____