22220 - Top Rare 11.46 inch Eldonia sp. Ordovician Jellyfish Fezouata -Euclastes acutirostris

-Euclastes acutirostris

It comes from the Lower Ordovician of the Famous Fezouata Formation

LeBlanc et al

Gypsum also crystallizes as translucent crystals of selenite

and may form pseudomorphs with these minerals

22220 - Top Rare 11.46 inch Eldonia sp. Ordovician Jellyfish Fezouata -Euclastes acutirostrisEldonia is an extinct soft bodied cambroernid animal of unknown affinity, best known from the Fossil Ridge outcrops of the Burgess Shale, particularly in the 'Great Eldonia layer' in the Walcott Quarry. In addition to the 550 collected by Walcott, 224 specimens of Eldonia are known from the Greater Phyllopod bed, where they comprise 0. 43% of the community. Species also occur in the Chengjiang biota,and in Upper Ordovician strata of Morocco.