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Prehistoric Ecosystems

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new	Spinosaurus, Giganotosaurus, and Tyrannosaurus weight estima

marsupial

504

by creature386
Jul 30, 2018 14:16:36 GMT 5

new	T Rex's super sense of smell

sam1

890

by Infinity Blade
Jul 6, 2018 20:50:39 GMT 5

new	O. Megalodon, disproving scavenger theories Pages: 1 2

prehistorican

6,664

by elosha11
Jul 1, 2018 7:11:28 GMT 5

new	Were Dinosaurs Reptiles ? Pages: 1 2

0ldgrizz

3,212

by Infinity Blade
Jun 23, 2018 1:55:48 GMT 5

new	Accurate dinosaur skull and limb replicas

strick67

1,705

by strick67
Apr 17, 2018 16:14:13 GMT 5

new	Monster of Aramberri - baleen whale-sized pliosaurs or not ?

Grey

1,419

by prehistorican
Dec 25, 2017 5:09:27 GMT 5

new	How much food did C. Megalodon adults need per day?

prehistorican

970

by prehistorican
Dec 8, 2017 21:23:16 GMT 5

new	Prehistoric killer physeterids

Life

525

by Life
Nov 11, 2017 19:23:11 GMT 5

new	New insight about extinction of Megalodon Pages: 1 2

Life

4,247

by Infinity Blade
Oct 17, 2017 4:17:39 GMT 5

new	Evidence that borealopelta was hunted extensively

Supercommunist

828

by An Goldish Jade
Aug 14, 2017 16:03:39 GMT 5

new	Pliosaurs - big game hunters or not?

Life

1,822

by Infinity Blade
May 17, 2017 4:05:55 GMT 5

new	New Phylogenetic Study on Dinosaurs

theropod

839

by Deleted
Mar 25, 2017 11:07:50 GMT 5

new	Diplodocid tail spines

Infinity Blade

689

by Infinity Blade
Jan 24, 2017 8:09:36 GMT 5

new	Hell Creek climate

Infinity Blade

2,502

by Infinity Blade
Jan 14, 2017 8:30:34 GMT 5

new	Theropod rotational inertia Pages: 1 2

Infinity Blade

1,788

by theropod
Nov 21, 2016 18:57:58 GMT 5

new	Maximum size of Basilosaurus

neogeneseamonster

922

by Grey
Nov 6, 2016 18:32:05 GMT 5

new	How big would an adult Dreadnoughtus be?

jhg

681

by theropod
Oct 26, 2016 3:16:16 GMT 5

new	Megalania's speed

Grey

1,690

by Venomous Dragon
Oct 4, 2016 10:30:35 GMT 5

new	Dimetrodon's claws

Infinity Blade

1,052

by Infinity Blade
Sept 2, 2016 1:34:54 GMT 5

new	Could gorgonopsids use their forelimbs in hunting/combat? Pages: 1 2

Infinity Blade

3,011

by Infinity Blade
Aug 27, 2016 17:55:50 GMT 5

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Prehistoric Ecosystems

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The Chatting Zone

Supercommunist: They found a mummified homotherium cub. Nov 15, 2024 1:21:50 GMT 5

theropod: Well lol, my government announced it was breaking up on the very same day. Nov 7, 2024 5:57:05 GMT 5

Infinity Blade: We failed you. Nov 6, 2024 23:20:59 GMT 5

theropod: Yes. Shit. I don’t think the free world had any real plan B or contingency for the worst case scenario that has apparently ended up happening. Things were bad enough as it is, and nobody really has any capacity left to deal with it getting even shittier. Nov 6, 2024 19:38:01 GMT 5

Supercommunist: Trump won. Was already pretty pessimistic about climate change but I think I am now in full doomer mode. Nov 6, 2024 12:39:53 GMT 5

Exalt: And the giga not having as wide of a skull Sept 6, 2024 23:05:23 GMT 5

Exalt: I would think that it's because of T.rex striking with power Sept 6, 2024 23:02:54 GMT 5

Infinity Blade: I imagine tyrannosaurs having finesse through their premaxillary teeth. We know they could delicately scrape meat off of bones with those if they wanted to. Aug 28, 2024 1:29:55 GMT 5

Supercommunist: Anyone find it kind of weird how some people portay gigantosaurus as a finese predator compared to a tyrannosaurus? Given that tyrannosaurus had the smaller gape and the duller teeth, wouldn't it require more precision? Aug 27, 2024 23:49:00 GMT 5

Infinity Blade: Maybe Aug 15, 2024 5:02:01 GMT 5

Exalt: Could that be an anti-prefator adaptation, or? Aug 14, 2024 20:32:23 GMT 5

Infinity Blade: I've read that in birds sex only lasts a few seconds, so maybe the fact that intercourse is very brief is an advantage. Aug 12, 2024 7:26:21 GMT 5

Supercommunist: So I can't help but think that cloacas are more prone to STDS and infection that an animal that separates its poop hole and genitals. Are there any real big advantages of having a cloaca? Aug 11, 2024 12:37:19 GMT 5

Infinity Blade: Dinosaur Revolution depicted Gigantoraptor like a bird of paradise, using colors, an inflatable throat sac, and dancing to court a mate. Jul 22, 2024 18:42:46 GMT 5

Exalt: Some birds are known for extravagant courtship displays. Has anyone depicted non-avian dinosaurs doing such a thing? Presumably theropods. Jul 11, 2024 6:31:19 GMT 5

Supercommunist: Cool thanks, Infinity. Jul 6, 2024 9:38:31 GMT 5

razor45dino: 1.2 tonnes is probably a large underestimate or is not representative of a 13 meter individual Jul 6, 2024 7:39:16 GMT 5

Infinity Blade: Assuming the Kaatedocus is 13 m and 1.2 tonnes, however, only gets you ~7.5 tonnes, which is unreasonable. Jul 6, 2024 7:26:59 GMT 5

Infinity Blade: Supercommunist If you scale a 13 m 1.9 t Kaatedocus to Diplodocus' length (24 m), it comes out to be ~12 t. This lines up pretty well with a Diplodocus' body mass at that length. Jul 6, 2024 7:24:20 GMT 5

Supercommunist: I've noticed that baboons seem to gang up on predators far quicker than other social animals. Jul 6, 2024 2:18:30 GMT 5