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Karaurus sharovi
140-145 mya
Kazakhstan
Salamander


Sordes pilosus
145-150 mya
Karatau Ridge,
Kazakhstan
Pterosaur

Karaurus from the late Jurassic is the oldest salamander known. Sordes, a Pterodactyl was the first of its type to be found with evidence of warmblooded metabolism Specimens have been found with hair-like scales covering its body, probably for insulation.
 
Tchoria
namsarai

100-110 mya
Hurun Dukh
Mongolia
A Champosaur
Type Specimen

Speetoniceras sp.
100 - 110 mya
Russia
Ammonite

Tchoria is a champosaur, looked crocodile-like but was not a crocodilian. Speetoniceras is an ammonite, shown in cross section. Ammonites were Cephalopods related to squids and octopuses and were very common in the ocean during the age of Dinosaurs.
 
Hipparion sp.
Pliocene
A horse

Eremotherium mirabili
130,000 ya
Pleistocene
Daytona Beach,
Florida
Ground Sloth

Hipparion, a member of the horse family, had three toes on each foot as opposed to the one toe on each foot of present day horses. Eremotherium is a giant ground sloth found in one of the local shell pits in Daytona Beach
 

Ancyloceras sp.
100 - 110 mya
Russia
Ammonite

Glyptodon sp.
Giant armadillo relative
 
Ancyloceras is a nice openly coiled Ammonite. Glyptodon is a pleistocene giant armadillo relative.
 
 
Liopleurodon rossicus
skull
Late Jurassic
Moscow Basin
Russia
A short necked Plesiosaur
   
Liopleurodon rossicus
skull
Late Jurassic
Moscow Basin
Russia
A short necked Plesiosaur
         
Liopleurodon was a very large short necked plesiosaur or pliosaur. Specimens have been found over 50 ft.in total length.
 

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