-40%
Mazon Creel Essexella asherae ( Jelly Fish) Foster 1979 #46
$ 3.16
- Description
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Description
Essexellais an extinct genus of
scyphozoan
jellyfish
known from
Late Carboniferous
fossils containing the species
Essexella asherae
.
It is one of the most recurrent organisms in the
Mazon Creek fossil beds
of Illinois.
In the Essex
biota
of Mazon Creek, it consists of 42% of all fossil finds.
Its behavior is speculated to be similar to that of modern-day jellyfish.