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Resserops
''Resserops'' is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the middle of the Atdabanian or the early part of the Botomian stage,〔 which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period. It has been found in Spain and southern Morocco. It can be recognised by the sabre-like spines of the headshield that are a smooth continuation of the frontal edge, and the enlarged spines on the 9th segment of the thorax. == Distribution == Lower Cambrian of Spain〔 and Southern Morocco (''Daguinaspis'' and ''Resserops''-zone near Amouslek, Ouijane and Tiout).
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