Dinosaur Timeline
Explore 309 dinosaur species across the Triassic, Jurassic, and Cretaceous periods. Filter by diet, type, and era. Size comparison bars, collection tracker, and detailed species cards.
About Dinosaur Timeline
Scroll through 309 dinosaur species and the timeline snaps into focus — Triassic first, then Jurassic, then Cretaceous, each era color-coded and browsable. Tap any species card and you get diet, classification, size, and a comparison bar that makes it instantly obvious just how much bigger a Argentinosaurus was than everything else sharing its epoch. Filter by herbivore, carnivore, or omnivore, or narrow down to a single geological period when you want to focus.
A built-in collection tracker lets you mark species as discovered, which gives the app a satisfying completionist pull even after you've browsed the full roster. It sits comfortably in the education category but plays more like a reference tool you'll return to than a lesson you sit through once. If deep-dive science catalogues are your thing, Atomix Periodic Table applies a similar card-and-filter approach to chemistry.
No account needed — just open it and start exploring. Works best on a tablet where the size comparison bars have room to stretch.
Look inside
How to use
Explore 309 dinosaur species from three prehistoric eras in this educational timeline. • Click on dinosaur names in the left sidebar to view detailed information • Use the search bar to find specific dinosaurs by name • Filter dinosaurs by diet (herbivore, carnivore, omnivore), type, and era using the dropdown menus • Click era tabs (Triassic, Jurassic, Cretaceous) to browse by time period • Sort dinosaurs by name, size, or era using the sort dropdown • Click "Discover" button on each dinosaur's detail page to mark it as found and add to your collection • Track your progress with the discovery counter that shows how many dinosaurs you've found • View size comparisons with humans using the visual size bars • On mobile devices, use the menu button to toggle between the dinosaur list and details Your goal is to discover all 309 dinosaur species while learning about their characteristics, diets, sizes, and the eras they lived in. Progress is automatically saved so you can continue building your collection across sessions.
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