SAO Barrande, 1846. Sao hirsuta Barrande, M. Cambrian, Jince Formation, Skrije, Bohemia (xl3. 5) (RLS coll.) Barrande gave a detailed description of the ontogenic stages of this trilobite. Several stages are visible in this photograph, notably a larval stage (metaprotaspis) at the left of the largest exuviae (late meraspid), and an early meraspid degree at the upper right.

Subfamily Solenopleurinae Angelin, P L A T E 109

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