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A trilobite (Paradoxides Bohemicus) of the Cambrian period.

Trilobite

A trilobite (Paradoxides Bohemicus) of the Cambrian period.

"Trilobite from the Silurian rocks. Pultowa, Russia (Illaenus crassicauda)." -Taylor, 1904

Trilobite

"Trilobite from the Silurian rocks. Pultowa, Russia (Illaenus crassicauda)." -Taylor, 1904

"Spiny trilobite (Acidaspid Dufrenogi). Silurian rocks of Bohemia." -Taylor, 1904

Spiny Trilobite

"Spiny trilobite (Acidaspid Dufrenogi). Silurian rocks of Bohemia." -Taylor, 1904