Here is a plate with two specimens of this extremely rare trilobite. Sometimes this trilobite is also offered as Cyclopyge umbonata what seems to be only a synonym for this species. | |||
Location: | Rokycany - D5, Barrandian area, Czech Republic | ||
Size trilobite: | about 23 mm long | ||
Age: | Middle Ordovician, Llanvirn, Dobrotivá Formation (About 470 mill. Years old) |