South american rattleback
Time zone: 5 million years

Mammal, rodent




paca or agouti, South American rodents


In the Amazon Grassland


Grass stems and tubers, Carakiller eggs

Eaten by:

Nothing can penetrate the armored back

These tough characters are descended from a south american rodent, something like the paca. They have big muscular forelimbs with strong shovel like claws for digging. Facial muscles can pull specially shaped scales over their eyes.

Classification Edit

S - Vibrabitrursus campus

G - Vibrabitrursus

F - Pacidae

O - Rodentia

C - Mammalia

P - Chordata

K - Animalia

Centre rattleback

Up-close look at the scales


The rattleback gets its name from the rattling sound it makes as it shakes the hard plates on its back.

The plates act as a flameproof suit, protecting the rattleback from the fire. When a bushfire blazes through the grasslands, the rattleback simply flattens itself to the ground, allowing the flames to sweep overhead.

They can pull special scales over their eyes to protect them when digging.


The rattleback is an opportunistic feeder. Its diet consists mainly of grass stems and buried tubers, which it digs out using its large front feet and strong claws.


Not known, but possibly similar to human-era rodents.

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