The Largest Saber Toothed Marsupial Weighed Practically 300lbs

The earth has hosted a wide range of life via its billion of years of existence. Animals of the previous tended to develop a lot bigger than these of as we speak. Fortunately, not many huge predators stroll the earth as we speak, however we will nonetheless be taught in regards to the ones from the previous utilizing fossil proof. Right here you’ll uncover the most important saber-toothed marsupial, which weighed practically 300 lbs. Referred to as the Thylacosmilus, this animal regarded similar to the saber-toothed cats however is definitely extra intently associated to animals like kangaroos and wombats. Let’s have a look at the now-extinct historical marsupial relative which lived between 3 to 10 million years in the past.

Thylacosmilus: The Largest Saber Toothed Marsupial

The Largest Saber Toothed Marsupial Weighed Practically 300lbs
The Thylacosmilus regarded just like the saber-toothed cat however was associated to the marsupial.


The Thylacosmilus is an extinct genus that lived in South America in the course of the Late Miocene, till the Pliocene epoch. Whereas comparable in look to the saber-toothed tiger, this species was not a cat in any respect. Thylacosmilus was a kind of metatherian mammal that belonged to the order of Sparassodonta. 

They’re distant relations to marsupials like kangaroos and wombats and have been distinctive carnivorous animals of their time. Thylacosmilus had lengthy sabers, however their jaws are a lot weaker than predator animals.  Across the dimension of a leopard, this animal was giant, and one of many solely marsupial relations with fang-like tooth.

Discovery of the Thylacosmilus

Thylacosmilus’ first discovery occurred in 1926 in Argentina. Their fossils have been discovered in the course of the Marshall Subject Paleontological Expeditions within the Ituzaingo formation. On the time three specimens of this marsupial-like animal have been found.

Paleontologist Elmer S. Riggs described this new genus as Thylacosmilus which suggests “pouch knife”. The 2 species of Thylacosmilus was named T.atrox and T. lentils. After its discovery, extra fossils of this species have been discovered unfold throughout Argentina. 

When found, Thylacosmilus was in contrast with the Smilodon since they each possessed saber tooth, and had an identical look. The saber tooth of Thylacosmilus are usually not totally uncovered exterior of its mouth and have been hidden by a bony protrusion, Their canines additionally rested in several areas than the saber cat. The variations in tooth between Smilodon indicated that this saber-toothed marsupial relative used its tooth in another way than the predatory ambushing animal.

Smilodon and Thylacosmilus are an instance of convergent evolution, the place animals evolve to look comparable. Examples of contemporary convergent evolution embody bats and birds, in addition to dolphins and sharks.

The Saber Enamel and Look of Thylacosmilus

Thylacosmilus skull
The Thylacosmilus’ canines regarded like that of the saber-tooth cat.

©Ideonexus/CCBYSA2.0 – License

The massive saber tooth of the Thylacosmilus are this animal’s most figuring out trait, however they might not be seen since they have been hidden throughout the flanges on their decrease jaw. Strolling on all fours, it’s estimated this species weighed between 180 to 260 lbs. Some estimates have the Thylacosmilus weighing as much as 330 lbs. 

Whereas no full fossil has been found the lacking skeletal components are based mostly on different members throughout the Sparassodonta order. This species’ size is estimated to be about 4 toes, and so they had a medium-sized tail. 

Thylacosmilus Food plan

Thylacosmilus are carnivorous and are one of many largest meat-eating metatherians. Regardless of their fearsome look and huge dimension, it’s estimated that Thylacosmilus had a chew power across the similar energy as a housecat. This animal used its sturdy entrance legs to carry onto prey, and killed through the use of their sturdy neck and saber tooth.

The wear and tear marks discovered on fossilized tooth of the Thylacosmilus steered they’d a weight-reduction plan of very tender meat and didn’t eat bones. Newer research additionally suppose this animal might not have been a harmful predator in any respect, however a scavenger. Threats that this species confronted within the wild included animals just like the Terror Fowl. 

Habitat and Time Interval of Thylacosmilus

South America in the course of the Late Miocene to the Pliocene epoch is the place the Thylacosmilus lived. The Thylacosmilus is assumed to have lived in forests and savanna habitats. They prevented open plains since these areas had extra aggressive competitors and have been crammed with numerous predators.

This huge saber-toothed marsupial relative died off after the land connection in North and South America in the course of the center of the Pliocene epoch. It was first believed that the Thylacosmilus went extinct since they have been out-competed by an identical animal, Smilodon, however these two species have a separation of round 1.5 million years. The Thylacosmilus lived a really completely different life from Smilodon, though they regarded very comparable. 

Up Subsequent:

Love historical animals, try these different nice articles on the location that showcase now-extinct animals that lived 1000’s of years in the past:

Leave a Reply