Extinct Animals 🦣🦤さんのイラストまとめ

Ocepechelon from the Late Cretaceous is one of the largest turtles ever. It had a bony, tube-shaped snout which is unique in four-limbed vertebrates.

(Credit N. Tamura, C. Letenneur)

Hyperodapedon was a stocky rhynchosaur from the Late Triassic period. It grew to 1.3 metres long.

(Credit @paleofan)

The pachycephalosaurus had a remarkably thick skull in order to butt heads with rivals.

(Credit Ryan Steiskal)

The giant beaver measured 2.2 metres in length & lived in North America during the Pleistocene. It died out 10,000 years ago.

(Credit Prehistoric Wildlife)

Achaenodon robustus lived during the Eocene of North America, measured 2 metres & weighed up to 300kg.

(Credit WillemSvdMerwe)

Meiolania was one of the largest tortoises ever, reaching 2.5 metres in length. They lived during the Miocene & Holocene & the last relict populations survived on New Caledonia until 3,000 years ago!

(Credit Prehistoric Wildlife)

The short-faced bear (Arctodus simus) was the largest bear & the largest mammalian land predator that ever existed. They stood at 3.7 metres on their hind legs!

(Credit Roman Uchytel)

Saurophthirus longipes was the largest flea ever discovered, growing to 2.5cm long. It possibly sucked the blood of pterosaurs.

(Credit deviantart/olorotitan)

Mosasaurs were a diverse group of marine reptiles that lived during the Cretaceous period. The largest grew to 17 metres. They went extinct 66 million years ago during the K-Pg event.

(Credit Thomas Miller)

Sharpeiceras is an incredible ancient ammonite that lived 96 million years ago & grew to 34cm long.

(Credit Satoshi Kawasaki)