The soil that originates under tall-grass prairie vegetation is called Chernozem soils. Chernozem soils are characterized by their high fertility and dark color, which is due to the presence of a significant amount of organic matter. These soils are typically found in grassland regions with a temperate climate, such as the tall-grass prairies of North America.

Option 1, Black soils, refer to a different type of soil that is characterized by its high clay content and dark color. This type of soil is typically found in areas with a tropical climate.

Option 2, Chestnut soils, refer to a type of soil that is often found in temperate regions and is characterized by its high clay content and reddish-brown color.

Option 4, Terra rosa soils, refer to a type of soil that is typically found in Mediterranean climates and is characterized by its reddish color and high fertility.

Therefore, the correct answer is option 3, Chernozem soils.