This is a very nice specimen of a Nevada Trilobit of the relative rare species Nephrolenellus geniculatus from the Pioche Formation. This Trilobite was found at the classical site of the ruin wash.
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Location: | Ruin Wash, Lincoln Co., Nevada, USA | ||
| Size: | about 12 mm long | ||
| Age: | Spätes Unter- Kambrium, Pioche Formation (ca. 520 Y.o.) | ||