A Lower Silurian (Aeronian) radiolarian assemblage from black cherts of the Armorican Massif (France)
Keywords: Massif Armorican; Radiolaria; Black cherts; Lower Silurian; Aeronian; Armorican massif; France; Radiolaires; Phtanites; Jaspes; Silurien inférieur; Aéronien; Massif armoricain; France;