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Indohyus facts for kids

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Indohyus
Temporal range: Ypresian, 50-48Ma
Indohyus BW.jpg
Indohyus major
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Raoellidae
Genus: Indohyus
Species

I. indirae
I. major

Mystice pelvis (whale)
Some modern whales have traces of their land-dwelling ancestors. The skeleton of a Bowhead whale shows its hind limb and pelvic bone structure (circled in red). This bone structure stays inside its body its entire life: it is a vestigial structure.

Indohyus (say "In-doh-HY-us") was a small, deer-like animal that lived a very long time ago. It lived about 49 to 48 million years ago in a place called Kashmir, which is in India. Its name means "India's pig."

Scientists believe Indohyus is a very important animal. It is thought to be the closest relative to whales and dolphins that lived on land! It was part of a group of animals called even-toed ungulates. This group includes animals like deer, cows, and hippos today.

Indohyus was about the size of a raccoon or a house cat. It ate plants, so it was a herbivore. This ancient creature had some special features that hint at how whales evolved from land animals.

What Made Indohyus Special?

Indohyus had some unique traits that connect it to whales. Even though it lived on land, it showed signs of being able to live in water too.

Bones for Underwater Life

One special thing about Indohyus was its bones. It had a thick and heavy outer bone coating. This is similar to the bones of modern animals like the hippopotamus. Heavy bones help an animal sink or stay underwater easily.

A Clever Survival Trick

This heavy bone structure suggests Indohyus might have had a survival trick. It could have dived into water and hidden there when it felt threatened. This is like how some modern animals, such as the African mousedeer, behave. When a bird of prey threatens them, they dive into water and can stay hidden for several minutes.

Species of Indohyus

Scientists have found two different kinds, or species, of Indohyus:

  • I. indirae
  • I. major

Images for kids

See also

Kids robot.svg In Spanish: Indohyus para niños

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