<BGSOUND SRC="http://www.geocities.com/joe2nora/SouthOfTheBorder.mid">
Cretaceous odds & ends
      
South of the Border
           ...down Montana way
The Hell Creek Formation contains rich  dinosaur deposits from the latest stage of the Cretaceous, the Maastrichten. These specimens are the last in the line of dinosaur evolution.
(length 10cm)
Defensive battering ram?   Male mating ritual? Thick skulled for....?
'Pachycephalosaurus' Skull cap or 'dome'.
6cm thickness  of head-butting bone.
'Pachycephalosaurus' Reverse of skull dome showing depressiion (between arrows) that protected the brain...what little brain a dinosaur had!
Stegoceras validum
Pachyscephalosaur
Skull Cap

Late Cretaceous
Oldman Formation
Alberta
At only 3.5 cm in length this specimen has less than one-tenth the volume of the above specimen!
(13 cm)
12 cm)
Hey, isn't that your chevron?
Chevron: tail support for the most famous of Latest Cretaceous ceratopsians, Triceratops
Tyrannosaurus Rex
Pes (foot) Phalanx
Late Cretaceous
Hell Creek Formation
Jordan, Montana
This ominous Tyrannosaurid greets visitors crossing the border from  Montana into Alberta. In the Late Cretaceous dinosaurs crossed freely without  need to check into Customs. T-Rex fossils are found on both sides of the border.
Return to the
Cretaceous Room
Milk River, Alberta
Hosted by www.Geocities.ws

1