but they had an external spiral shell that set them apart

The combination of these factors may have had a significant impact on populations of large prey and predators

curved claws clash against fallen leaves as it creeps forward

competition with other herbivores and climatic changes likely contributed to the extinction of the Deinotherium

Smilodon populator Scale:1:35 but they had an externalSmilodon (S. populator "sabertooth"), also known as the South American sabertooth tiger; It was an extinct carnivorous species of felid that inhabited South America and belonging to the Machairodontinae subfamily that lived during the Upper Pleistocene, until its extinction about 10,000 years ago. Smilodonn populator is the largest species of its genus, measuring up to 1. 2 meters in height and 2. 3 meters in length, and can weigh up to 400 kilos.