title: Aspidaeglina
text: # Aspidaeglina
  
  Aspidaeglina is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately 473 to 470 million years ago.
  
  ## Distribution
  
  * A. miranda is known from the Lower Ordovician of the Czech Republic (Arenig, Klabava Formation).
  * A. striata occurs in the Lower Ordovician of China (Pagoda Formation of southwestern Shaanxi).
  