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Dinosgacha

Reptile

Purussaurus

Purussaurus brasiliensis was a giant caiman relative with a broad, deep skull.

Purussaurus brasiliensis was a giant caiman relative with a broad, deep skull. Its fossil jaws document a formidable South American crocodilian.

Purussaurus at a glance

Diet
Carnivore
Its teeth and feeding structures are interpreted as adapted to taking animal prey.
When it lived
Late Miocene
Group
Caimaninae
Caimans

Beyond the game

The real Purussaurus

Purussaurus brasiliensis was a giant caiman relative with a broad, deep skull. Its fossil jaws document a formidable South American crocodilian.

Its deep skull and robust teeth belonged to a giant predatory caiman. Full-body size and bite-force estimates depend on comparisons and biomechanical models.

Fossil discoveries

Acre, Brazil · approximate locationAcre, Brazil · approximate location
Acre, Brazil

Selected fossil records · present-day map

Map references

Paleobiology Database · M. A. Cozzuol. 2006. The Acre vertebrate fauna: Age, diversity, and geography. Journal of South American Earth Sciences 21:185-203 ↗

Paleobiology Database · M. B. S. Lacerda, P. S. R. Romano, and K. L. N. Bandeira, L. D. de Souze. 2021. Georeferencing fossiliferous localities from Solimões and Acre Basins (Brazil) -what we know so far about Solimões Formation and future perspectives. Anais da Academia Brasileira de Ciências ↗

Map: Natural Earth, public domain. Fossil records: Paleobiology Database and linked collections and publications.

Sources & text credits

Explore the references behind this profile.

  1. Aureliano et al. 2015 — Morphometry, bite-force, and paleobiology of the Late Miocene caiman Purussaurus brasiliensis

Original English Dinosgacha educational summaries informed by the linked scientific and museum references; source publications retain their own rights.

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