An exceptional association plate featuring two beautifully preserved Asaphus expansus trilobites from the famous Lower Ordovician Huk Formation (Lysaker Member) of Slemmestad, Norway.

Measuring approximately 6.5 cm and 5 cm, the two trilobites appear to be following one another across the ancient seafloor, creating a remarkably dynamic and natural composition. Their elegant positioning makes this an unusually decorative specimen, capturing a moment from an Ordovician marine environment nearly 470 million years ago.

The fossils have been meticulously prepared to museum standards, preserving the smooth exoskeleton and delicate anatomical features. Both trilobites display the classic deep black jet coloration that contrasts beautifully against the grey-blue limestone matrix, a hallmark of the renowned Slemmestad fossils.

Association plates with multiple Scandinavian trilobites are uncommon, especially when the specimens are so well balanced in size and composition. This piece combines scientific significance with outstanding aesthetic appeal, making it an ideal centerpiece for a private collection, museum display, or educational exhibit.

• Species: Asaphus expansus
• Age: Lower Ordovician, Huk Formation, Lysaker Member (~470 million years)
• Locality: Slemmestad, Norway
• Size: Approx. 6.5 cm and 5 cm