Koneprusia Trilobite Fossil, A museum constantly cast off and replaced

constantly cast off and replaced their worn out teeth

very grudgingly

Fully grown

You can see the lopsided regrowth of the bone at the back of the skull

Koneprusia Trilobite Fossil, A museum constantly cast off and replacedThis is a real, incredible, ~1. 5" long Koneprusia trilobite from the Lower Devonian of Ofaten, Morocco! It has amazing ornamentation, in the form of spikey appendages along its body and head. Resembling horseshoe crabs, trilobites are an extinct group of arthropods that died off in the Permian mass extinction ~252 million years ago. They were one of the most successful and iconic of all early animals spreading across most of the globe and surviving