Kentrosaurus Timeline

 
 
Kentrosaurus   >   Timeline

   



Kentrosaurus Timeline

Time
 
Event
 
Approximately
220 million years ago
 
First dinosaurs evolve during the Triassic period.
 
Approximately
156 million years ago
 
First Kentrosaurus appears during the Jurassic period.

Kentrosaurus

 
Approximately
150 million years ago
 
Kentrosaurus extinct.
 
Approximately
65 million years ago
 
Cretaceous-Tertiary extinction event: All non-avian dinosaurs) go extinct (although of course Kentrosaurus has already been extinct for many millions of years by this time).

The K/T Extinction Event may have been caused by an asteroid impact:
K/T Extinction Event may have been caused by an asteroid impact

 
1909
 
German Tendaguru Expedition finds Kentrosaurus fossils.

Natives with excavation on German Tendaguru Expedition:
Natives with excavation on German Tendaguru Expedition

 
1910
 
Tendaguru Expedition leader Werner Janensch recognizes Kentrosaurus bones as belonging to a Stegosaur.

Werner Ernst Martin Janensch:
Werner Ernst Martin Janensch

 
1915
 
Edwin Hennig describes and names Kentrosaurus.

Edwin Hennig:
Edwin Hennig

 
1916
 
Because of the similarity between "Kentrosaurus" and "Centrosaurus", Hennig suggests changing the animal's name to "Kentrurosaurus", whereas Baron Franz Nopcsa proposed "Doryphorosaurus". Eventually, however the original name chosen by Hennig, "Kentrosaurus", becomes generally accepted.
 
1925
 
Edwin Hennig writes a detailed monograph on Kentrosaurus.
 
1925
 
Werner Janensch mounts a Kentrosaurus in the Museum für Naturkunde in Berlin, Germany.
 
1993
 
George Olshevsky classifies some Stegosaur fossils found in North America in 1914 by Charles Gilmore as a North American species of Kentrosaurus: Kentrosaurus longispinus. Although the animal is certainly a close relative of Kentrosaurus, Olshevsky's classification is not generally accepted by the paleontological community, and the animal is assigned its own Genus: Natronasaurus.
 
2006
 
Werner Janensch's mounted Kentrosaurus (mounted in 1925) in the Museum für Naturkunde is disassembled.
 
2007
 
The mounted Kentrosaurus in the Museum für Naturkunde is reassembled.differently, so as to reflect the latest anatomical knowledge.

Kentrosaurus in the Museum für Naturkunde:
Kentrosaurus in the Museum für Naturkunde

 



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