Mazon Creek Fossil Fauna
Mollusks
Bivalves
Mazonomya mazonensis - Bailey, 2011
Clam-Clam
Mazonomya mazonensis, Pit 11, Braidwood, IL - A.Young collection, Figure 105.3 The Mazon Creek Fossil Fauna 2012
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Mazonomya mazonensis, Braceville, IL - A.Young collection
Mazonomya mazonensis - R.Rock collection
Mazonomya mazonensis showing hinge ligament - R.Rock collection
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Mazonomya mazonensis, showing preserved hinge ligaments between the valves, Milwaukee Public Museum collection P10097.1
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Mazonomya mazonensis, Braceville, IL - A.Young collection
Mazonomya mazonensis, Pit 11, Braidwood, IL - A.Young collection
Above and below: two specimens of Mazonomya mazonensis, Braceville, IL - A.Young collection (positive and negative halves)
Acharax radiata - (Meek and Worthen) Bailey, 2011
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Above and below: Acharax radiata - R.Rock collection
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Acharax radiata, Milwaukee Public Museum collection P360553
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Acharax radiata - Milwaukee Public Museum collection P360557
Leptodesma ohioense - Herrik, 1887
Myalinella meeki - Dunbar, 1924
Myalinella meeki - Chicago Academy of Sciences collection, Figure 108.3 The Mazon Creek Fossil Fauna 2012
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Above and below right: three specimens of Myalinella meeki, Braceville, IL - A.Young collection
Myalinella sp. - R.Rock collection
Pit 2, Wilmington, IL - A.Young collection
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Myalinella meeki - Milwaukee Public Museum collection P25879.1
Pectenoids
Aviculopecten mazonensis - Worthen, 1890
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Aviculopecten mazonensis, Pit 11, Braidwood, IL - A.Young collection
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Aviculopecten mazonensis - R.Rock collection
J.Wittry collection
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Chicago Academy of Sciences collection
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Aviculopecten mazonensis, Pit 11, Braidwood, IL - A.Young collection
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Two specimens of Aviculopecten mazonensis - Milwaukee Public Museum collection P360389 and P28737.1
R.Rock collection
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Aviculopecten mazonensis - R.Rock collection
Above and below: Aviculopecten mazonensis, in a plate with Essexella asherae, Pit 11, Braidwood, IL - A.Young collection
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Aviculopecten germanus - Miller and Faber, 1892
Dunbarella striata - Stevens, 1858
Above and below: Dunbarella striata - R.Rock collection
Dunbarella striata, Braceville, IL - R.Holm collection (photo by R.Holm)
Dunbarella striata - Milwaukee Public Museum collection P360525
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Two specimens of Dunbarella striata - Milwaukee Public Museum collection P26294.1 and P360527.1
Dunbarella striata, MPM P25865.1
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J.Wittry collection
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Palaeolima retifera - Shumard, 1858
Palaeolima retifera - Chicago Academy of Sciences CHAS: Paleo: 4528, Fig. 112.3 The Mazon Creek Fossil Fauna 2012
Euchondria pellucida - Meek and Worthen, 1860
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Two specimens of Euchondria pellucida - Milwaukee Public Museum P360404 and P382131
Heteropecten exemplarius - Newell, 1937
Permaphorus spinulosa - Morningstar, 1922
Permaphorus spinulosa - Chicago Academy of Sciences collection
Schizodus cf. wheeleri - Swallow, 1863
Chicago Academy of Sciences collection
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J.Wittry collection
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Schizodus cf. wheeleri - Milwaukee Public Museum collection P360456.1
Edmondia ovata - Meek and Worthen, 1873
Edmondia ovata, Pit 11, Braidwood, IL - A.Young collection, Figure. 114.2 The Mazon Creek Fossil Fauna 2012
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Edmondia ovata, Pit 11, Braidwood, IL - A.Young collection, Figure 114.3 The Mazon Creek Fossil Fauna 2012
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Edmondia ovata - R.Rock collection
Edmondia ovata, Pit 11, Braidwood, IL - A.Young collection
Edmondia aspinwallensis - Meek, 1871
Edmondia aspinwallensis - R.Rock collection
Sedgwickia sp.
Sedgwickia sp., Braceville, IL - M.Angkuw collection, Figure 115.2 The Mazon Creek Fossil Fauna 2012
Sedgwickia sp., Braceville, IL - A.Young collection,
Figure 115.4 The Mazon Creek Fossil Fauna 2012 |
Braceville, IL - A.Young collection
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Pit 11, Braidwood, IL - A.Young collection
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Braceville, IL - A.Young collection
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Chicago Academy of Sciences collection
Sedgwickia sp. - Milwaukee Public Museum P360714.1
Anthraconaia ohioense - Morningstar, 1922
Anthraconaia ohioense, Mazon River, Morris, IL - A.Young collection
Anthraconaia ohioense, Mazon River, Morris, IL - M.Angkuw collection
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Above and left: Pit 2, Wilmington, IL - A.Young collection
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Anthraconaia ohioense, Mazon River, Morris, IL - A.Young collection (positive and negative halves)
Anthraconaia ohioense, steinkern (cast) with calcite infill, Pit 2, Wilmington, IL - A.Young collection
Pit 11, Braidwood, IL - A.Young collection
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Anthraconaia ohioense, showing crushed, pyritized valves, Mazon River, Morris, IL - P.Anderson collection
Anthraconaia ohioense, steinkern (cast) with calcite infill, Pit 2, Wilmington, IL - A.Young collection