Palaeoscolex tenensis

  • Brand: Marruecos
  • Product Code: ANV001
  • Availability: In Stock
  • 150.00€

Age: Ordovician-Tremadocian.

Formation: Fezouata.

Location: Zagora, Morocco.

Plate measures: 7 cm x 5,6 cm 

Palaeoscolex belongs to the superphylum Palaeoscolecida. The paleoescolecids they have a cylindrical, elongated appearance (they can reach tens of centimeters in length) and narrow. The body is divided into two main parts: an armored proboscis and a trunk covered with a partially segmented cuticle.

The proboscis is covered internally by numerous muscle fibers, allowing the movement of said structure. The cuticle is composed of various interlocking phosphatic plates of multiple sizes and covers most of the body. These structures form a repeatable transverse pattern that imparts a segmented appearance to the entire trunk. The only differentiation of the trunk is in the front and back. The anterior is radially symmetrical, while the trunk is bilaterally symmetrical. The posterior part houses the terminal anus.

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.

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