MammalQuaternary
Ursus spelaeus
Its great size was comparable to that of the largest bears today.
Meet Ursus spelaeusThe Dinosgacha encyclopedia
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Showing 241–264 of 578 creatures
Mammal
MammalNeogene / Quaternary
Megalonyx
It used its powerful claws to grip trees while feeding from them.
Meet Megalonyx
MammalQuaternary
Nothrotheriops
This ground sloth was about the size of a bear.
Meet Nothrotheriops
MammalQuaternary
Castoroides
It was one of the largest beavers that ever lived.
Meet Castoroides
MammalQuaternary
Palaeoloxodon antiquus
Its long tusks were fairly straight, with a slight curve at the tips.
Meet Palaeoloxodon antiquus
MammalNeogene / Quaternary
Deinotherium
Its fossils appear in some African sites that also preserve ancient human relatives.
Meet Deinotherium
MammalNeogene
Gomphotherium
Its fossils reflect a very wide distribution across several continents.
Meet Gomphotherium
MammalNeogene
Platybelodon
It belonged to the group of proboscideans, related to elephants.
Meet Platybelodon
MammalNeogene
Amebelodon
Its lower tusks were long, flat and shaped like shovels.
Meet Amebelodon
MammalNeogene / Quaternary
Stegodon
Its name means "roofed tooth", in reference to the shape of its teeth.
Meet Stegodon
MammalNeogene / Quaternary
Sivatherium
It was one of the heaviest known giraffids.
Meet Sivatherium
MammalNeogene
Synthetoceras
It had bony appendages both on its head and on its snout.
Meet Synthetoceras
MammalNeogene
Dromomeryx
Wikipedia places it as an artiodactyl unique to North America, but offers few additional details.
Meet Dromomeryx
MammalPaleogene
Entelodon
Its name means "completely toothed", because of its complete dentition.
Meet Entelodon
MammalPaleogene / Neogene
Daeodon
Adult skulls could be about 90 centimeters long.
Meet Daeodon
MammalPaleogene / Neogene
Hyaenodon
Unlike today's hyenas, it had a relatively straight back.
Meet Hyaenodon
MammalNeogene
Megistotherium
Its classification remains disputed: some authors consider it part of Hyainailouros.
Meet Megistotherium
MammalPaleogene
Leptictidium
Its powerful hind legs and long tail helped it move on two legs.
Meet Leptictidium
MammalPaleogene
Pantolambda
The enamel ridges on its teeth were crescent-shaped.
Meet Pantolambda
MammalPaleogene
Coryphodon
It ate plants and had a low, sturdy body and large canine teeth.
Meet Coryphodon
MammalPaleogene
Phenacodus
It is one of the first known hoofed mammals.
Meet Phenacodus
MammalPaleogene
Purgatorius
New findings led to a revision of the attribution of some teeth to the boundary between the Cretaceous and Paleocene.
Meet Purgatorius
MammalCretaceous
Eomaia
Its body features suggest it was adapted to climbing trees.
Meet Eomaia
MammalCretaceous
Repenomamus
One specimen preserved remains of a baby Psittacosaurus inside its stomach.
Meet RepenomamusEach card identifies its kind of creature. Fictional characters are labeled and have their own game stories. AI-generated, stylized game illustrations. These designs and growth stages are imaginative, not scientific reconstructions.