Malleodectes facts for kids
Quick facts for kids Malleodectes |
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Scientific classification ![]() |
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Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Infraclass: | Marsupialia |
Order: | Dasyuromorphia |
Family: | †Malleodectidae Archer et al., 2016 |
Genus: | †Malleodectes Arena et al., 2011 |
Type species | |
Malleodectes mirabilis |
Malleodectes is a very unusual type of marsupial that lived a long, long time ago. Scientists first found its fossils in 2011 in Queensland, Australia, at a place called Riversleigh. This ancient animal was about the size of a ferret. It lived during a time called the Miocene epoch, which was about 17 million years ago.
Its name, Malleodectes, means "Hammer Biter." This is because it had special, blunt, hammer-like teeth. No other mammal, living or extinct, is known to have teeth quite like these! A scientist named Scott Hocknull from the Queensland Museum noticed that these teeth looked a bit like those of a modern pink-tongued skink (Cyclodomorphus gerrardii). This type of reptile is good at eating snails. This made scientists think that Malleodectes was also a special snail hunter.
What is Malleodectes?
Malleodectes is a genus (a group of closely related species) of marsupials. It was first described in 2011. Scientists found its fossils at the Riversleigh site in Australia.
There are two known species of Malleodectes:
- Malleodectes mirabilis
- Malleodectes moenia
The name Malleodectes comes from two words. Malleo is Latin for "hammer," and dectes is Ancient Greek for "biter." This name perfectly describes its unique hammer-like teeth.
How Malleodectes is Classified
In 2016, scientists decided that Malleodectes was so unique that it needed its own family. This new family was named Malleodectidae. This family is part of a larger group called Dasyuromorphia. This group includes other well-known Australian marsupials like thylacines (Tasmanian tigers) and dasyurids (like quolls and Tasmanian devils).
Here's a simple way to see where Malleodectes fits in:
- Order Dasyuromorphia (includes thylacines, dasyurids, and numbats)
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- Family Malleodectidae
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- Genus Malleodectes
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- Species Malleodectes mirabilis
- Species Malleodectes moenia
Amazing Teeth and Diet
Malleodectes was a marsupial with very special teeth. It had an extra-large premolar tooth that was flat. It used this tooth like a hammer to crack open the shells of snails. It found these snails in the wet, forested areas where it lived.
Scientists compared this special tooth to those of a group of skinks called Cyclodomorphus. These modern skinks also have similar teeth that help them eat snails. This is an example of evolutionary convergence. This means two different animals developed similar features because they adapted to eat the same kind of food. Because of this, scientists sometimes called Malleodectes a "marsupial-skink."
Professor Michael Archer, a lead scientist who studied Malleodectes, said it was "a bizarre mammal." He thought it was as strange and unique as a koala or a kangaroo.
Scientists found the first important fossil of Malleodectes at a place called the AL90 site. It was a jaw from a young Malleodectes that still had its adult teeth growing inside. This fossil was found in a cave floor deposit, along with the remains of other animals. Scientists think the young Malleodectes might have fallen into the cave from its mother.
See also
In Spanish: Malleodectes para niños