Mixopterus kiaeri

Mixopterus kiaeri Name: Mixopterus kiaeri   

Locality: Ringerike, Norway  

Age: Silurian  

Showcase: Chelicerata showcase  

Size: 70 cm  

The chelicerates include the terrestrial mites, scorpions and spiders, the marine horseshoe-crabs and the extinct sea scorpions or eurypterids, - a specimen of which is shown here. This specimen, is around 400 million years old and comes from the Silurian rocks of Ringerike north of Oslo. It was found by Professor Johan Kiær in 1909. The rectangular head shows a variety of appendages modified for grasping, mating, walking and swimming. The long pointed tail of Mixopterus might have been curled over the back of the animal and used for piercing prey, such as fish, held between the grasping appendages. The eurypterids lived from the Ordovician to the Permian and include some of the largest known arthropods up to 2m in length. The most famous and beautiful fossil found in Norway.
Photo: P. Aas.  

Other chelicerata in the exhibition   

[Norsk tekst]
Publisert 18. mai 2011 16:00