Leanchoilia superlata
Middle Cambrian
Burgess Shale, Stephens Formation
Field, British Columbia
Canada

Beautiful example of an iconic Burgess Shale arthropod. Leanchoilia is an arachnomorph arthropod known for its long, whip-like antennae. 55mm on 91mm x 47mm slab with 14mm sponge. Rare. No restoration, no repair. Black gut trace is clearly visible.

See also: https://en.wikipedia.org/wiki/Leanchoilia