Alfred Wegener didn't actually find any fossils himself. He was a meteorologist and geophysicist who formulated the theory of continental drift, which proposed that the continents were once joined together as a supercontinent called Pangaea and have since drifted apart.

Wegener's theory was based on a variety of evidence, including:

* Fossil Distribution: The presence of similar fossils on different continents, like the Mesosaurus reptile found in both South America and Africa, supported the idea that these continents were once connected.

* Geological Matching: The geological formations, particularly rock types and mountain ranges, on different continents fit together like pieces of a puzzle, suggesting they were once part of a single landmass.

* Paleoclimatic Evidence: The presence of glacial deposits in areas now located in tropical regions, like India, provided evidence of past continental movements.

While Wegener didn't personally discover these fossils, he used them as key evidence to support his theory. His work was initially met with skepticism, but later confirmed by other scientists who discovered more evidence to support his ideas.

It's important to note that the actual discovery of these fossils was done by other paleontologists and geologists. Wegener's contribution was in recognizing their significance and using them to build his revolutionary theory about the Earth's dynamic nature.