The pair of newfound species, as well as two previously known species unearthed in the same place, rewrite what we knew about these prehistoric predators.
Scientists have unearthed the remains of two never-before-seen species of saber-toothed cats that roamed Africa around 5.2 million years ago. The discoveries have changed what researchers previously knew about this group of extinct feline creatures, a new study shows.
The partial remains of the two newfound species, Dinofelis werdelini and Lokotunjailurus chimsamyae, were unearthed alongside the bones of two other known species, Adeilosmilus kabir and Yoshi obscura, near the town of Langebaanweg on the west coast of South Africa. The four species belong to the subfamily Machairodontinae — an extinct group of feline predators that included most species of saber-toothed cats. Most members of this subfamily were equivalent in size to most big cats alive today.
The new findings suggest that a majority of saber-toothed cats may have been much more widespread than previously thought, the researchers wrote in a statement. In the study, the researchers compared the bones of the newly uncovered species and known saber-toothed cats to create a new family tree for the group. The four species from Langebaanweg were not closely related to one another and likely occupied very different ecological niches despite living in the same area at around the same time.
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