Description
Jellyfish – Class Hydrozoa, Family Narcomedusae
Middle Cambrian
Marjum Formation
Marjum Pass, House Range, Millard County
Utah, USA.
Fossil jellyfish belonging to the family Narcomedusae from the Marjum Formation at Marjum Pass, House Range, Millard County, Utah. This specimen dates to the Middle Cambrian Period, approximately 505 million years ago, from one of North America’s most important soft bodied fossil deposits.
10mm jellyfish on 67mm slab.
