homoplasy and homology in dinosaurs by paul nethercott january 2014
TRANSCRIPT
Homoplasy And Homology In Dinosaurs
By Paul Nethercott
January 2014
www.creation.com
http://www.wikipedia.org
Ichthyosaurs
Dolphins. Ichthyosaurs
Ankylosaurs and glyptodont mammals both had spiked tails.
Ankylosauria Glyptodontidae
The sauropods and giraffes independently evolved long necks.
Giraffe Diplodocus
The horned snouts of dinosaurs like Triceratops have also evolved several times in Cenozoic mammals: rhinos, brontotheres, Arsinoitherium, and Uintatherium.
Triceratops
Rhinoceros
The horned snouts of dinosaurs like Triceratops have also evolved several times in Cenozoic mammals: rhinos, brontotheres, Arsinoitherium, and Uintatherium.
Brontotheres Arsinoitherium
The Pelycosauria and the Ctenosauriscidae both had a sail-like fin on their back.
Dimetrodon Ctenosauris
The Pelycosauria and the Ctenosauriscidae both had a sail-like fin on their back.
Dimetrodon
Arizonasaurus
Some Placodonts (like Cyamodus, Psephoderma, Henodus and especially Placochelys) bear striking resemblance to sea turtles
Cyamodus Placochelys
Psephoderma
Sea Turtles
Duck-billed dinosaurs hadrosaurs strikingly convergent with ducks and duck-billed platypus.
Hadrosaurs Ducks
Platypus