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Tyrannosaurus rex vs Spinosaurus aegyptiacus
How many of you have seen that battle from Jurassic Park 3 and wondered if Spinosaurus really would have won? Today I will discuss the ...
by T.REX
Giant Caenagnathid
For some time, Iren Dabasu was the only place where a huge caenagnathid, Gigantoraptor, was known. The uniqueness of the discovery compounded the difficulty of dating Iren Dabasu, and made it seem ...
by starman
What was the largest carnivorous dinosaur?
Carcharodontosaurus Spinosaurus Aegypticus of Egypt, and potentially Spinosaurus Maroccanus (From Morocco), is currently estimated to be the largest theropod dinosaur to have ever lived, with ...
by Dinosir
Who is the true " king" of theropods?
Contenders: Giganotosaurus: this South American super predator was 40 to 50 feet long and 7 to 9 tons. This animal had powerful jaws and teeth that could easily deliver one of the most ...
by Theropod
Utahraptor Research, Part 3: Weapons, diet, speed and agility
Hey, it's Random Scientist Inc. I have some more Utahraptor research to present. Weapons Utahraptor had many extremely dangerous weapons to use in combat. Its first weapon was its brain. ...
by Random Scientist Inc.
What Made T-Rex The "King"?
What has made T-Rex the "king?" Why do so many people say he's the most powerful dinosaur to have ever lived? Well, today I will tell you why so many people think T-rex is the "king" of the ...
by ThaAnonymousPerson
Sauropods: Ectothermic or Endothermic?
Hey all. In case you didn't already know, for the past couple months I've been researching the possibility that sauropods were ectothermic (cold-blooded) rather than endothermic ...
by Random Scientist Inc.
Spinosaurus vs Tyrannosaurus rex 2
Spinosaurus Build Spinosaurus had size, weight, the ability to swim, which would have been very useful if they were by a river or lake, better arms, longer claws, and did have to fight with other ...
by Paleontologist Dr. Rex
Fossil Hunting in Minnesota
For all you fossil-hunters, fossil-sharers, or just anybody who wants to know about the geology of Minnesota.. I present to you.. Fossil Hunting In Minnesota! This is the link to an almost ...
by JMD
Dinosaur weapons and defense
Hey, it's Random Scientist Inc. I've been busy yet again (and since I've been sick lately, I'll be even busier next week), but for now I've got nothing to do. So I've decided to present you with an ...
by Random Scientist Inc.
Solution for the Quadrupedal Spinosaurus
So we all know about the new Spinosaurus reconstruction. In some situations, I've seen people say it's impossible because it couldn't pronate it's hands or it would dull it's claws which were clearly ...
by Rex Fan 684
Largest known theropods
Is T.rex really the biggest land theropod? Is it really 10 tonnes? Newest contenders for largest theropod - some new contenders have only been unearthed in recent years. Siats meekroum The only ...
by Klonke
Jurassic Park got something right! AGAIN!
Having been released 15 years ago, it is often taken for granted these days just how cutting edge a sci-fi movie Jurassic Park was when it came out. Of course this was not due to the hard technical ...
by Traumador the Tyrannosaur
The bite force of T. rex
Ever since the first T.rex skeleton was pulled from the ground, it was known that this animal had an incredibly high bite force (its head was over 1.5 meters long and filled with teeth some 6-13 ...
by Rex Fan 684
Radioactivity in Dinosaur Fossils - Did radiation kill the dinosaurs?
Radioactivity in Dinosaur Fossils - Did Gamma Rays Kill the Dinosaurs? link to original discussion A comment was posted by Red Clay to discuss the facts that some fossils contain radioactive ...
by tzavecz
Alright I'll bite. How can you prove that man and dinosaur coexisted?
A voice called out from the either, "Did you KNOW? 1. That dinosaurs and man lived together only a few thousand years ago. 2. The dinosaurs did not go extinct millions of years ago? .... ...
by tzavecz
Clash of Past and Present: Series Finale
The Finale! First, a tribute to the past winners... Allosaurus- the terror of the Jurassic Defeated- Rhino Hippo- a short tempered brute Defeated- Utahraptor Tiger- the beautifully ...
by Rex Fan 684
Death of a Paleontologist
A paleontologist of great renown has just passed away. Zofia Kielan-Jaworowska died on March 13, 2015. Considering her stature, it is disappointing her passing elicited no eulogy or comment on the ...
by starman
Top 10 Herbivorous Dinosaurs : 2 - Ank The Tank
Hello guys, Dinosir here, and after about a bazillion years I am finally back with what is the penultimate episode of my "Favourite herbivorous dinosaurs" blog series. I apologise for the delay, ...
by Dinosir
Utahraptor vs Terror Bird
I wrote this fight a while ago. It takes place in the Jurassic Park universe. Enjoy :) Utahraptor vs Terror Bird Utahraptor image By Ryanz720 (Own work) [Public domain], via Wikimedia Commons ...
by Rex Fan 684
Clash of Aquatic Titans: Finale
The Finale! First, we kick of the finale with a tribute to the winners of this season. Pliosaurus- the T.rex of the deep Brygmophyseter- the devil whale Giant Orthocone- the armored giant ...
by Rex Fan 684
The truth behind allosaurus.
Allosaurus was 30 feet long 14 feet tall and 2 tons. That was species A.fragilmus. Another species was A.europus whic was basically the European version of A.frallgils. And there were much larger ...
by Theropod
Mysterious Creek Formation: Fossil Collecting near Harrison Lake
Photo A surprisingly warm sunny morning sparked a return trip to the Cretaceous-Jurassic exposures near Harrison Lake, British Columbia. The lake and hotsprings at Harrison are an easy one to ...
by Fossil Huntress
New Giant Abelisaur
Recently, a new abelisaur was found. It was discovered in Kenya. At an estimated 11-12 meters(36-40 ft) long and 4-6 tons in weight, this was the biggest abelisaur ever found. It has no name yet, ...
by Rex Fan 684
Dinosaur biomes
Hey everyone, I know I haven't posted in a while. I've been busy with stuff. Anyway, today I want to talk to you guys about dinosaur biomes. To all who don't know, a biome is a certain type of ...
by Random Scientist Inc.
If a bone/fossil has turned into a rock or the surrounding mineral completely, is it still a ...
This is a good topic and a great question. When an animal dies, the soft organic parts typically dissolve and decompose and are lost. There are exceptions to this under special conditions, but ...
by tzavecz
Largest Animals That Ever Lived
Well, the largest Animals that ever lived is something that we've been debating for a while, so, I'll give everyone an idea of the sizes of creatures. Of course the Blue Whale is thought to be the ...
by Bigtooth.
Utahraptor research, part 2: Social behavior, intelligence, and an example of pack hunting
Hey, it's Random Scientist Inc. I'm here to share some more of my research on Utahraptor with you. Let's get started! Social Behavior and Intelligence Scientists say dromaeosaurs like Utahraptor ...
by Random Scientist Inc.
How big was spinosaurus?
According to recent studies, Spinosaurus is thought to be the largest of all known carnivorous dinosaurs. It is estimated to have been around 52 - 59 feet in length and 7.7 - 9.9 short tons. The ...
by ScottKely
Clash of Aquatic Titans: Pliosaurus vs Dunkleosteus
Today, we kick off the first episode of my newest season in the Clash Of Series, Clash of Aquatic Titans... Dunkleosteus vs Pliosaurus Pliosaurus- more lizard Fighter Size- 10 meters ...
by Rex Fan 684
Clash of Past and Present: Utahraptor vs Hippo
Utahraptor VS Hippo Utahraptor- thief of Utah Fighter Size- 5.6 meters long, 2 meters tall, 950 pounds Weapons- Sickle claw(1 ft), hand claws, teeth(1 inch long), smarts, speed(25 miles ...
by Rex Fan 684
Ocean-going Dinosaurs, the biggest Dinosaur
One of our members, SameerPrehistorica, always ends his commentary with a quote, "EXPECTING FOR YEARS TO SEE A SAUROPOD BEATING BLUE WHALE'S RECORD." He is, of course, referring to the current state ...
by tzavecz
Dinosaur communication part 1: Vocalizations
After seeing a forum post and a blog post about this topic, I thought I would create a blog post of my own. Since dinosaurs have been extinct for millions of years, we will never know for sure ...
by Random Scientist Inc.
Did dinosaurs evolve into crocodiles?
Hey all, I've been thinking about making this blog post for quite some time, and with a little motivation from one of our members, I decided to do it. I'll keep updating this as the debate goes on. ...
by Random Scientist Inc.
Top 10 Herbivorous Dinosaurs : 1 - My Favourite Dinosaur
Hey guys, Dinosir here, and welcome back to the final episode of my "Favourite herbivorous dinosaurs" blog series, and boy, has it been coming for a while. Either way, we're here now, and today I'm ...
by Dinosir
Did you find a fossilized egg?
Fossil eggs are rare and hard to identify particularly if they are removed from the ground you find them in. Many natural formations look like eggs. If they are found in place, then you should ...
by tzavecz
The largest land mammal
courtesy of
by SameerPrehistorica
Boverisuchus and the Abortive Dinosaur Comeback
Boverisuchus (formerly Pristichampsus) was an unusual crocodilian of the Eocene. Unlike most crocs, it was adapted to living and hunting on land. The teeth of Boverisuchus were ziphodont, or ...
by starman
10 large Theropods you probably never heard of
Which theropod is this? Hello! In this list, I am going to list 10 large Theropods a lot of you probably have never heard of. So, let's get started.10-OxalaiaOxalaia was a Spinosaur and was ...
by Lord of the Spinosaurs
Stratigraphic Separation and Faunal Succession
People usually assume that all taxa extracted from a formation were coeval, living alongside one another. In some cases, this is illusory. Recent work has shown that some Lancian taxa may have ...
by starman

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