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// FOSSIL LIBRARY

The Fossil Library.

Sourced field dossiers on real prehistoric genera — each with its scientific classification, age, size, and the places its fossils turn up. Nothing invented: like the PaleoDex app, every entry is drawn from open scientific data, and where a fact isn't sourced we leave it blank. We're starting with a few flagship species; the catalogue grows from here toward the 74,000+ genera in the app.

The PaleoDex Fossil-DEX catalogue — browse and search tens of thousands of real genera.
PaleoDex · Fossil-DEX — the searchable catalogue of real genera.
DINOSAURS

Tyrannosaurus

Tyrannosaurus rex

The tyrant lizard king — the most studied predator of the Mesozoic.

DINOSAURS

Triceratops

Triceratops horridus

Three horns, a great bony frill, and a face built for the late Cretaceous.

PREHISTORIC MAMMALS

Smilodon

Smilodon

The saber-toothed cat — an Ice Age ambush hunter of the Americas.

More species are on the way.