Mazon Creek Fossil Fauna
Arthropods
Other Crustaceans
Cycloids, Branchiopods, Ostracodes, Barnacles, and Flea Shrimp
Cycloids
Americlus americanus - (Packard) Dzik, 2008
The Field Museum collection
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J.Wittry collection, Figure 92.3 The MC Fossil Fauna 2012
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Americlus americanus, Braceville, IL - A.Young collection, Figure 93.2 The Mazon Creek Fossil Fauna 2012
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Cyclus americanus, Milwaukee Public Museum P3660717
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Americlus americanus - R.Holm collection (K.Dedina), photo by R.Holm
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Americlus americanus, Milwaukee Public Museum collection P26100.1, P360718, and P360715
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Americlus americanus, Pit 11, Braidwood, IL - A.Young collection (positive and negative halves)
Pit 11 - A.Young collection
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Field Museum collection
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Chicago Academy of Sciences
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Americlus americanus, MPM P25877.1 and P25877.2
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Americlus americanus, Pit 11, Braidwood, IL - A.Young collection (detail below)
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Americlus americanus, Milwaukee Public Museum collection P26099.1 and P26099.2 (positive and negative halves)
Americlus americanus, Pit 11, Braidwood, IL - A.Young collection
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Americlus americanus - R.Rock collection
Apionicon apiodes - Schram et al., 1997
Apionicon apiodes, Pit 11, Braidwood, IL - A.Young collection
Above and below: Apionicon apiodes - R.Rock collection
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Dzikus obesus - (Schram et al.) Schweitzer, 2020
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B.Morton collection (positive and negative halves)
Dzikus obesus, Milwaukee Public Museum collection P359259
Schramine max - (Schram et al.) Dzik, 2008
Schramine max - R.Rock collection (positive and negative halves)
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Schramine max - R.Rock collection (positive and negative halves)
J.Wittry collection (positive and negative halves)
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J.Wittry collection
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Above and right: Pit 11, Braidwood, IL - A.Young collection
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Branchiopods
Pemphilimnadiopsis ortoni - Tasch, 1961
A.Young collection, Figure 91.4 The Mazon Creek Fossil Fauna 2012
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Pemphilimnadiopsis ortoni, Milwaukee Public Museum collection P26094.1 and P28705
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Pemphilimnadiopsis ortoni, Pit 11, Braidwood, IL - A.Young collection, Figure 91.3 The Mazon Creek Fossil Fauna 2012
Pit 11, Braidwood, IL - A.Young collection
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J.Wittry collection
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Leaia tricarinata - Meek and Worthen, 1868
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Leaia tricarinatata - R.Rock collection
R.Rock collection
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Leaia tricarinata - R.Rock collection
Ostracodes
Paraparchites mazonensis - Sohn, 1997
Paraparchites mazonensis in the gut line of a Fossundecima konecniorum polychaete - A.Young collection
Barnacle
Illilepas damrowi - Schram, 1975
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Illilepas damrowi, Milwaukee Public Museum collection P359748.1
Illilepas damrowi, Milwaukee Public Museum collection P28719
Flea Shrimp
Concavicaris georgeorum - Schram, 1990
Concavicaris georgeorum, Milwaukee Public Museum collection P360753.1
J.Wittry collection
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Concavicaris georgeorum, MPM collection P25933.1
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Concavicaris remipes - Schram, 1990
Convexicaris mazonensis - Schram, 1990
The Field Museum collection