Mutotylaspis
Mutotylaspis is an extinct monotypic genus of probeebeid hermit crabs that lived in Russia's Vladimir Oblast during the Albian stage of the Lower Cretaceous Epoch, and the only extinct genus in the Probeebeidae family. Its type and only species is Mutotylaspis tripudium.
Etymology
The genus name, Mutotylaspis, is a combination of MUTO and the genus Tylaspis.The name of the type species, tripudium, is Latin for “dancing”, a reference to the pose the type specimen was found in.