• Brand: Marruecos
  • Product Code: AR052
  • Availability: In Stock
  • 690.00€

Age: Ordovician-Tremadocian.
Formation: Fezouata.
Location: Bou Chrebeb near Zagora. 

The xifosuros are an order of marine chelicerates. The best known species is the horseshoe crab, although they are all very similar to each other. They are considered living fossils because they have eolved very Little in their mote tan 475 million years of existence; they appeared for the first time in the fossil record in the lower Ordovician.   

They are carnivorous and feed on molluscs , annelids and other marine invertebrates, dead animals, securing and crumble with the chelicerae. 

Fezouata deposits near the Moroccan town of Zagora, are providing a rich fauna sampler similar, though later in time, to the famous Burgess Shale (Canada). We talked about fossils between 480 and 472 million years. The age indicates that communities Burgess Shale type not restricted, as was believed, at the early stages of the Cambrian only to disappear suddenly, but that survived much longer, later lived with wildlife and wildlife would be the normal type the deep sea around the globe. Then Morocco was an ocean and was on the South Pole. 

Xiphosura measures: 9 cm x 2,7 cm
Plate measures: 11 cm x 7,2 cm

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Tags: Xiphosura, Invertebrates, Marruecos