Cambrian Predator Worm Fossil
Cambrian Explosion Fossils: undecribed annelid worm part and counterpart,
is 24mm wide by 83mm long on 120mm X 160mm matrix and 24mm X 83mm on 80mm
X 125mm matrix
Location: Marjum Formation,
Millard County, Utah
is the largest worm I've seen from Utah. It's well preserved with
the gut trace and segments clearly visible. The specimen is missing
a little sliver along the front edge and is repaired. In my experience,
undoubtedly due to poor preservation, all worms are rare in the
Marjum and Wheeler formations.
annelids are worms are also found in the Burgess Shale, and were
adorned with a head with a pair or tentacles and body covered with
bristles. The Annelids and believed to have been carnivorous and
to have both swam or crawled for locomotion. Canadia, a genus from
the Burgess Shale, varies from 1 to 2 inches in length.