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Tingamarra
https://australian.museum/learn/australia-over-time/extinct-animals/tingamarra/

Tingamarra was a small ground-dwelling mammal that ate insects and fruit.

Tingamarra Soft-shelled Turtle
https://australian.museum/learn/australia-over-time/extinct-animals/tingamarra-soft-shelled-turtle/

Living relatives of the Tingamarra Soft-shelled Turtle spend much of their time underwater, wedged between logs or rocks and patiently waiting for their prey.

Tingamarra Swamp Crocodile
https://australian.museum/learn/australia-over-time/extinct-animals/tingamarra-swamp-crocodile/

The Tingamarra Swamp Crocodile hunted small vertebrate animals such as mammals, turtles, snakes and fish. It belongs to an ancient group of crocodiles whose relationships to living crocodiles are unclear.

Cleaver-headed Crocodile
https://australian.museum/learn/australia-over-time/extinct-animals/cleaver-headed-crocodile/

The Cleaver-headed Crocodile is one of the largest of an extinct group of crocodiles called mekosuchines.

Cohen's Thingodonta
https://australian.museum/learn/australia-over-time/extinct-animals/cohens-thingodonta/

Thingodonta belongs to the only completely extinct order of Australian marsupials, the Order Yalkaparidontia.

Flexiraptor
https://australian.museum/learn/australia-over-time/extinct-animals/flexiraptor/

Flexiraptor was a long-legged bird of prey that hunted and ate small and medium-sized animals such as possums or other mammals, lizards or baby birds.

Nimbadon
https://australian.museum/learn/australia-over-time/extinct-animals/nimbadon/

At least 24 Nimbadons were found within a few square m of each other at one site within the Riversleigh World Heritage property.

Riversleigh Forest Beast
https://australian.museum/learn/australia-over-time/extinct-animals/riversleigh-forest-beast/

The Riversleigh Forest Beast was about the size of a sheep.

Riversleigh Sprite Possum
https://australian.museum/learn/australia-over-time/extinct-animals/riversleigh-sprite-possum/

The Riversleigh Sprite Possum belongs to an extinct group of possums called the ektopodontids.

Alcoota Cleaver-headed Crocodile
https://australian.museum/learn/australia-over-time/extinct-animals/alcoota-cleaver-headed-crocodile/

This large crocodile is similar to the Cleaver-headed Crocodile of Riversleigh, but even larger.