This is a quie rare specimen of a Olenellid Trilobite of the spieces Nephrolenellus geniculatus from the lower Cambrian of Nevada. | |||
Location: | Ruin Wash, Lincoln Co., Nevada, USA | ||
Size: | about 12 mm long | ||
Age: | Spätes Unter- Kambrium, Pioche Formation (ca. 520 Y.o.) |