Amazing Tremadocian double with a combination of a Liexiaspis and an Illaenus from the site of Hunan. Both are rare trilobites but the Illaenus is most rare of the 2 and is almost ver found complete. The illaenus measures 85 mm (3.4") while the Liexiaspis has a length of 63 mm (2.5").

Liexiaspis zhengjiaensi + Illaenus sp.

Lower Ordovician (485 - 478 mil y)

Hunan province, China

137 x 88 mm - 5.4" x 3.5" (Matrix)

Museum quality