It's thought that Spinosaurus' sail was likely a display structure to possibly attract mates. Some birds do a similar thing where males look all fancy but the females look a bit plain.
Illustrazione Stock Green Dimetrodon illustration. Sail-backed Dinosaur, blue crest on back. | Adobe Stock
Think Dimetrodon Was a Dinosaur? Think Again | HowStuffWorks
Illustrazione Stock Ichthyovenator was a dinosaur of the early Cretaceous. It was a spinosaurid with an unusual split sail. It was semiaquatic and ate fish. On a white background. | Adobe Stock
Why Dimetrodon Had a Sail on Its Back
Dimetrodon Reptile On White - Dimetrodon Was A Sail-back Carnivorous Dinosaur That Lived In North America And Europe During The Permian Period. Stock Photo, Picture And Royalty Free Image. Image 110631703.
Lost-and-found dinosaur thrived in water
Dimetrodon - Wikipedia
The mystery of the dinosaur with crocodile jaws, bear claws and a sail | New Scientist
If amargasaurus was added, what design would you want? The sail or the spikes? : r/jurassicworldevo
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083238Concavenator-restoration-Martin-1024x526.jpg "A Strange Sail-Backed, Bristly-Armed Dinosaur | Science| Smithsonian Magazine")
A Strange Sail-Backed, Bristly-Armed Dinosaur | Science| Smithsonian Magazine
What was the purpose of Spinosaurus' sail? - YouTube
We've drawn iconic sail-wearing Dimetrodon wrong for 100 years | New Scientist
Dimetrodon | Animal Database | Fandom
Dimetrodon - Wikipedia
Dimetrodon - Facts and Pictures
Sail-backed dinosaur roamed Spain 125m years ago
Dinosaur with sail hi-res stock photography and images - Alamy
Dimetrodon - Wikipedia
Monstrous dinosaur was larger than a T-rex, and a swimmer who ate sharks | Salon.com
Dimetrodon and its sail | Earth Archives
Ouranosaurus | Science Museum of Minnesota
3 Dimetrodon | Prehistoric Amino! Amino
BSLIAO Jura Simulation Dinosaur Heterodontosaurus Sail Dragon Solid Plastic Small Kids Toy for Kids, 17.5 x 8.8 x 7 cm : Amazon.de: Toys
