This is a trilobite concretion from the vicinity of Taouz with an inexpensive trilobite of the genus Megalaspides or Asaphellus. The concretion comes with both sides. That means with positive and negative side. Often these trilobites are determined as Lannacus. The taxon is a trade name for asaphids in concretions from Morocco. Lannacus is a synonym of Megalaspides. The genus Lannacus is invalid. | |||
Location: | Taouz, Marocco | ||
Size Trilobite: | about 44 mm long | ||
Age: | Ordovician, ?Tachilla-Formation |