Russian trilobites
Illaenus excellens Holm 1886 & Asaphus punctatus Age: Middle Ordovician Size:3,2 & 2,2 (8 & 5,5 cm) Locality: Wolhov river, St.Petersburg region, Russia
Illaenus excellens Holm 1886 & Asaphus punctatus
Age: Middle Ordovician
Size:3,2 & 2,2 (8 & 5,5 cm)
Locality: Wolhov river, St.Petersburg region, Russia
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