the glossoptersis plant
animals
This isn't the full answer sorry but The globetrotters plant
The trilobite fossil occurs on the most landmasses. This suggests that trilobites were widespread and inhabited different parts of the world before continents broke apart, when the supercontinent Pangaea existed. Trilobites demonstrate how species can be widespread across continents that were once connected.
an intrusive fossil
The fossil of the Glossopteris, a prehistoric plant, occurs on the most landmasses. Its remains have been found in South America, Africa, Antarctica, Australia, and India, providing significant evidence for the theory of continental drift. The widespread distribution of Glossopteris fossils supports the idea that these continents were once connected as part of the supercontinent Gondwana.
Asia
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North
The fossil that occurs in the most landmasses is likely that of the trilobite. These extinct marine arthropods thrived during the Paleozoic era and have been found on every continent, including Antarctica. Their widespread distribution can be attributed to their long evolutionary history and the geological processes that have shaped continents over time. As a result, trilobite fossils are among the most commonly found and recognized across different regions of the world.
Most of Europe is at the western end of the Eurasian landmass and to the north of Africa.
The three landlocked nations that have most of their landmass located in the Sahara Desert are Chad, Niger, and Mali.
Niger,Mali,Chad