21. Its vertebrae are also shorter in height relative to the rest of the skeleton than those of other " Dimetrodon " species. 22. Cope's rival Othniel Charles Marsh also collected some bones of " Dimetrodon ", which he sent to the Walker Museum. 23. The only species of " Dimetrodon " found outside the southwestern United States is " D . teutonis " from Germany. 24. Early, primitive reptiles like the fin-backed dimetrodon , as well as the entire crocodile tribe are excluded from the ranks of true dinosaurs. 25. Teardrop-shaped teeth are unique to " Dimetrodon " and other closely related sphenacodontids, and help distinguish them from other early synapsids. 26. The Gogs are saved by the baby vulture, who attacks the cannibal trying to cut through the vines holding the carriage to the inflated dimetrodon . 27. "Dimetrodon " was probably one of the apex predators of the Cisuralian ecosystems, feeding on fish and tetrapods, including reptiles and amphibians. 28. This study not only shows the evolution of Dimetrodon over millions of years, but also shows that Dimetrodon was in an arms race against its prey. 29. This study not only shows the evolution of Dimetrodon over millions of years, but also shows that Dimetrodon was in an arms race against its prey. 30. Permian synapsids like " Dimetrodon " and " Anteosaurus " are stem mammals in the wider sense but not in the narrower one.
