Fossils of Lystrosaurus, an early land-dwelling reptile, have been found in Antarctica, India, and South Africa. The distribution of these fossils suggests that these areas were
once

Connected to one another

Explanation:

Geologists have found evidence supporting the hypothesis that Indian subcontinent was part of Antarctica a billion years ago but were separated and re-united several times due to tectonic movement of plates before the evolution of mankind

i don't get what you mean

explanation:

answer; dead end or culdesac;