Late Cretaceous

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Parasaurolophus: Beast of the Week

This week we will be taking a look at a very popular duck-billed dinosaur.  Say hello to Parasaurolophus!  Parasaurolophus was a plant eater that lived in what is now North America during the Late Cretaceous, about 77 to 73 million years ago.  Parasaurolophus measured about 30 feet (9.1 meters) long from beak to tail, but certain incomplete specimens show evidence of having been a bit larger.  Parasaurolophus is most well-known for its long, curved crest that grew from the back of its head, givi

21/12/2025 prehistoricbeastoftheweek

Edmontosaurus: Beast of the Week

Today we are checking out one of the largest and most well studied of the duck-billed dinosaurs.  Enter Edmontosaurus!  Edmontosaurus annectens in watercolors by Christopher DiPiazza.Edmontosaurus was a hadrosaur ("duck-billed") dinosaur that could grow to at least 39 feet (12 meters) long from beak to tail that lived during the late Cretaceous period in what is now western North America.  There are currently two recognized species within the genus, Edmontosaurus regalis and Edmontosaurus annect

29/11/2025 prehistoricbeastoftheweek

Zuul: Beast of the Week

 This week we will be learning about an amazing armored dinosaur with a delightfully spooky name.  Check out Zuul crurivastator!  Zuul was an ankylosaur dinosaur that lived in what is now Montana, USA, during the late Cretaceous period, about 75 million years ago.  It measured about 20 feet (6 meters) from beak to tail and would have eaten plants when alive.  The genus name is in direct reference to the monster from the 1984 movie, Ghostbusters, which paleontologists think resembled the dinosaur

31/10/2025 prehistoricbeastoftheweek

Pentaceratops: Beast of the Week

This week we will be checking out yet another awesome ceratopsian dinosaur.  Enter Pentaceratops sternbergii! Pentaceratops was a plant-eating dinosaur that measured about twenty feet long from beak to tail. As a ceratopsian (horns, beaks, and frills) it was member of the chasmosaurine group, and was closely related to Chasmosaurus and Coahuilaceratops to name a few.  It lived in what is now New Mexico, USA, during the late Cretaceous Period, between 76 and 73 million years ago.  The genus name,

14/09/2025 prehistoricbeastoftheweek

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Cretaceous Period

Cenomanian

100.5000 – 93.9000

Turonian

93.9000 – 89.8000

Coniacian

89.8000 – 85.7000

Santonian

85.7000 – 83.6000

Campanian

83.6000 – 72.2000

Maastrichtian

72.2000 – 66.0000