Essexella

Essexella is an extinct genus of scyphozoan jellyfish known from Late Carboniferous fossils containing the species Essexella asherae. See list of prehistoric medusozoans. It is one of the most recurrent organisms in the Mazon Creek fossil beds of Illinois.[1] In the Essex biota of Mazon Creek, it consists of 42% of all fossil finds.[2] Its behavior is speculated to be similar to that of modern-day jellyfish.[1]

Essexella
Temporal range: Late Carboniferous[1]
E. asherae fossil on display at the Museo Civico di Storia Naturale di Milano
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Scyphozoa
Order: Rhizostomeae
Family: Rhizostomatidae
Genus: โ€ Essexella

References
  1. Palmer, Douglas; Brasier, Martin; Burnie, David; Cleal, Chris; Crane, Peter; Thomas, Barry A.; Buttler, Caroline; Cope, John C. W.; Owens, Robert M. (2009). "Carboniferous". In Ambrose, Jamie; Gilpin, Daniel; Hirani, Salima; Jackson, Tom; Joyce, Nathan; Maiklem, Lara; Marriott, Emma; Nottage, Claire; van Zyl, Miezan (eds.). Prehistoric Life: the Definitive Visual History of Life on Earth (first American ed.). New York City: DK Publishing. p. 62. ISBN 978-0-7566-5573-0.
  2. Selden, Paul; Nudds, John (2012). "Mazon Creek". Evolution of Fossil Ecosystems (second ed.). Manson Publishing Ltd. pp. 94โ€“96. ISBN 978-1-84076-623-3.
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