This arthropod is a Marrellomorph, a clade of strange looking stem-group arthropods known from the Cambrian Burgess Shale and the slightly older Kaili Fauna in China (Marella), the Silurian Herefordshire Lagerstätte in England (Xylokorys), the Ordovician Basal Upper Fezouata Formation (lower Arenig, or lower Floian), north of Zagora in southeastern Morocco and the Caradoc (Upper Ordovician) in Bohemia (Furca) and the Devonian Bundenbach Shale in Germany (Mimetaster and Vachonisia). Marrellomor
Class: Marrellomorpha Family: Mimetasteridae Hunsrück Slate Group Kaup Formation Herrenberg Member Rhineland-Palatinate International Age: Emsian (early) Date Collected: 01/01/1970 Catalog #: TFF-oilshale-Ar111