Kentrosaurus Timeline

Kentrosaurus   >   Timeline


Kentrosaurus Timeline

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


150 million years ago
Kentrosaurus extinct.
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

German Tendaguru Expedition finds Kentrosaurus fossils.

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

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

Werner Ernst Martin Janensch:
Werner Ernst Martin Janensch

Edwin Hennig describes and names Kentrosaurus.

Edwin Hennig:
Edwin Hennig

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.
Edwin Hennig writes a detailed monograph on Kentrosaurus.
Werner Janensch mounts a Kentrosaurus in the Museum für Naturkunde in Berlin, Germany.
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.
Werner Janensch's mounted Kentrosaurus (mounted in 1925) in the Museum für Naturkunde is disassembled.
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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