Rhabdinopora flabelliforme

Locality: Tøyen, Oslo, Norway  

Age: Early Ordovician  

Showcase: Graptolite showcase  

This form had many hangning braches connected by lateral dissepiments. It drifted in the Ordovicean oceans is found fossilized at many localities around the world. Rhabdinopora flabelliforme is an index species marking the Cambrian-Ordovician boundary.  

Other graptolites in the exhibition