30468 - Top Rare 3.94 inch Eldonia sp. Ordovician Jellyfish Notogoneus osculus Pharostomatidae

Pharostomatidae

• Pliocene of Mexico

External nares extend from 6th to 12th maxillary teeth

†Rhinobatos maronita

• Cambrian of Morocco

30468 - Top Rare 3.94 inch Eldonia sp. Ordovician Jellyfish Notogoneus osculus PharostomatidaeEldonia 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.