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Artwork of humans compared to Dimetrodon
Artwork showing the relative scale of humans and Dimetrodon ('two measures of teeth'). This animal is frequently mistaken for a dinosaur. Yet it lived in North America and other locations around the world some 295-272 million years ago, at least 35 million years before the first appearance of dinosaurs. Dimetrodon was rather a sail-backed synapsid - a very old ancestor of mammals (although it itself was not a mammal). Dimetrodons ranged in size depending on the species, from 0.6 m (2 ft) to 4.6 m (15 ft) long. The specimen shown here is D. angelensis, one of the larger varieties., by MARK GARLICK/SCIENCE PHOTO LIBRARY
S
0.3 MB
724 x 453 px
6.1 x 3.8 cm
$ 100.00
M
3.1 MB
2290 x 1431 px
19.4 x 12.1 cm
$ 180.00
L
24.4 MB
6400 x 4000 px
54.2 x 33.9 cm
$ 350.00
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