#ballusia
Ballusia
Extinct genus of bears
Ballusia is a genus of small bear from the Early Miocene epoch, about 20.5-18 million years ago. Fossil remains attributed to the genus have been uncovered in Europe (Poland) and Asia. The genus Ballusia was established in 1998 on the basis of different fossils originally classified as various species of the genera Ursavus and Hemicyon, with B. elmensis as the type species. The exact relationship of Ballusia to "true" bears are not yet fully understood: many palaeontologists have classified it as a primitive member of Ursinae, but its known skeletal elements have some features in common with the extinct bear subfamily Hemicyoninae. Because of this, some researchers refer Ballusia as "Ursidae incertae sedis". Ginsburg and Morales regarded B. elmenensis as ancestral to Ursavus, as did Marciszak and Lipecki, even though the temporal range of the two genera seems to have overlapped.
Mon 26th
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