Gerastos catervus Van Viersen 2006.
Perfect complete Proetid on matrix. The locality on the French/Luxembourg border post at 'Mur des Douaniers', Vireux-Molhain has been famous for over 100 years for the wealth of beautifully preserved Trilobites it has produced. Now a protected site. Trilobites from here are highly sought after by collectors.
Devonian, Lower Eifelian, Couvinien, Jemeele Formation.
'Mur de Douaniers', Vireux,- Molhain, Ardennes, France.
Trilobite : 1.7 cm long.
