Mazon Creek Fossil Fauna
Arthropods
Other Crustaceans
Cycloids, Branchiopods, Ostracodes, Barnacles, and Flea Shrimp
Cycloids
Cyclus Americanus
Cyclus americanus, R.Holm collection (K.Dedina) - photo by R.Holm
Cyclus americanus, Milwaukee Public Museum collection P26100.1, P360718, and P360715
Cyclus americanus, A.Young collection - Pit 11, Braidwood, Illinois (positive and negative halves)
Cyclus americanus, A.Young collection - Pit 11, Braidwood, Illinois (detail below)
Cyclus americanus, Milwaukee Public Museum collection P26099.1 and P26099.2 (positive and negative halves)
Cyclus americanus, A.Young collection - Pit 11, Braidwood, Illinois
Cyclus obesus
B.Morton collection (positive and negative halves)
Cyclus obesus, Milwaukee Public Museum collection P359259
Halicyne max
Halicyne max, R.Rock collection
J.Wittry collection
Halicyne max, A.Young collection - Pit 11, Braidwood, Illinois
Branchiopods
Pemphilimnadiopsis ortoni
A.Young collection, Figure 91.4 The Mazon Creek Fossil Fauna 2012
Pemphilimnadiopsis ortoni, Milwaukee Public Museum collection P26094.1 and P28705
Pemphilimnadiopsis ortoni, A.Young collection, Figure 91.3 The Mazon Creek Fossil Fauna 2012 - Pit 11, Braidwood, IL
Leaia tricarinata
Leaia tricarinata, R.Rock collection
Ostracodes
Paraparchites mazonensis
Paraparchites mazonensis in the gut line of a polychaete worm (Fossundecima konecniorum), A.Young collection
Barnacles
Illilepas damrowi
Illilepas damrowi, Milwaukee Public Museum collection P359748.1
Illilepas damrowi, Milwaukee Public Museum collection P28719
Flea Shrimp
Concavicaris georgeorum
Concavicaris georgeorum, Milwaukee Public Museum collection P360753.1
Convexicaris mazonensis
The Field Museum collection