| Here is a very rare Nephrolenellus geniculatus with the delicate opistothorax preserved. The piece comes inclusive the negative that shows also some nice details. | |||
Location: | Ruin Wash, Lincoln Co., Nevada, USA | ||
| Size: | about 14 mm long | ||
| Age: | Spätes Unter- Kambrium, Pioche Formation (ca. 520 Y.o.) | ||