Achillesaurus
Only a handful of bones remain: a sacral vertebra and four tail vertebrae, part of the left leg and foot plus a hip bone.
Photo: Levi bernardo (CC BY-SA 3.0)
Theropods walked on two legs with hollow bones and three fingers. They were mostly meat-eaters. Their line began in the Triassic about 230 million years ago. It includes the largest land predators of the Mesozoic. It never truly ended, since birds belong to it.
A few cards of the album
The start of their anecdote. The album's other cards are for you to discover in the game.
Aepyornithomimus
Chinzorig et al.
A complete foot and a few ankle bones from a single animal were enough to name this dinosaur. Shigeru Suzuki found it in semi-arid sediments of the Djadokhta Formation in Mongolia.
Photo: Masato Hattori (CC BY-SA 4.0)
Ajancingenia
Lü
Its first hand claw was twice as large as the second. Its name evokes a hitchhiker's thumb and comes from a Mongolian word meaning a traveler.
Photo: Etemenanki3 (CC BY-SA 4.0)
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