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Mazon Creek Fossils


290 million year old fossils

Coal era fossils in siderite nodules from Francis Creek Shale, collected in the late 1970's from Pit 11, Braidwood, Illinois.
25% off sale until December 15, 2011.


           

Flora

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Annularia Radiata Leaf Fossil

annularia radiata leaf fossil
The annularia radiata leaf whorl are from the Pennsylvanian Period, about 300 million years ago. The 2 inch siderite nodule holds the annularia leaf whorl. Annularia was foliage from a 25 foot tall relative of the horsetail family. The Annularia leaf fossil was gathered 25 years ago at Chicago Coal Mine, open pit 11, near Braidwood Illinois. The open pit is now a lake.
Item Number: annula04
Price: $ 22.00

Annularia Stellata Leaf Fossil

annularia stellata leaf fossil
The annularia stellata leaf whorl is from the Pennsylvanian Period, about 300 million years ago. The 1 3/8 inch siderite nodule holds the annularia stellata leaf whorl. Annularia was foliage from a 25 foot tall relative of the horsetail family. The Annularia leaf fossil was gathered 25 years ago at Chicago Coal Mine, open pit 11, near Braidwood Illinois. The open pit is now a lake.
Item Number: annust02
Price: $ 18.00

Annularia Stellata Leaf Fossil

annularia stellata leaf fossil
The annularia stellata leaf whorl is from the Pennsylvanian Period, about 300 million years ago. The 1 5/8 inch siderite nodule holds the annularia stellata leaf whorl. Annularia was foliage from a 25 foot tall relative of the horsetail family. The Annularia leaf fossil was gathered 25 years ago at Chicago Coal Mine, open pit 11, near Braidwood Illinois.
Item Number: annust03
Price: $ 18.00

Calamite Fossil Stem, Mazon Creek Illinois

calamite stem fossils
The calamite stem is in a 2 3/4 inch split siderite nodule from the Pennsylvanian Period, about 300 million years ago. Calamite is an extinct relative of the horsetail. The 3 inch split nodule appears to have been glued on one seam. The calamite stem was gathered 25 years ago at Chicago Coal Mine, open pit 11, near Braidwood Illinois. The open pit is now a lake.
Item Number: clstem01
Price: $ 24.00

Nueropteris Leaf Frond Fossil

neuropteris leaf fossil
2 5/8 inch Nueropteris leaf frond fossil.
Item Number: mzneur05
Price: $ 18.00

Pecopteris Leaf Fossil

pecopteris leaf  fossil
The thick 1 1/2 inch siderite nodule has two pecopteris leaf imprints.
Item Number: mazpec01
Price: $ 16.00

Worms

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Plain Worm Fossil

plain worm fossil
1 3/4 inch Mazon Creek fossil nodule contains a Plain worm.
Item Number: mazwrm09
Price: $ 11.00

Jaw Worm Fossil

jaw worm fossil
Polychaeta worm in 2 1/2 inch Mazon Creek siderite nodule.
Item Number: mazwrm10
Price: $ 15.00

Fossundecima konecniorum Worm Fossil

Fossundecima konecniorum fossil
1 3/4 inch Mazon Creek fossil worm, Fossundecima konecniorum, has adistinct jagged outline.
Item Number: mazwrm16
Price: $ 14.00

Fauna

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Leech Fossil

leech fossil
1 7/8 inch fossil nodule contains a leech in positive imprint
Item Number: mzlech01
Price: $ 11.00

Leech Fossil

leech fossil
2 3/16 inch fossil nodule contains a leech in positive and negative imprint.
Item Number: mzlech02
Price: $ 13.00

Jelly Fish

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4 Jelly Fish Fossil

jelly fish fossil
Four little jelly fish in a 2 1/2 inch siderite nodule from Pit 11, Braidwood Illinois.
Item Number: mzjely04
Price: $12.00
sale $ 9.00

 

Coprolites

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4 Coprolites

coprolites
4 mazon Creek Coprolites from the quarter sized pyritized specimen to the other 1 ¼ to 13/4 inch squiggly turd shaped coprolites
Item Number: mazcop02
Price: $ 16.00
sale $ 12.00

Shells

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Pyrite Scallop Fossil

pyrite scallop fossil
1 3/16 inch siderite nodule holds a pyrite scallop shell. The 9/16 inch scallop has a yellow metallic luster.
Item Number: mzscal03
Price: $ 12.50
sale $9.37

Pyrite Scallop Fossil

scallop shell fossil
1 3/4 inch fossil nodule has a 3/4 inch scallop impression.
Item Number: mzscal02
Price: $ 12.50
sale $ 9.37

Bivavle Fossil

bivalve fossil
2 1/4 inch fossil nodule has an Edmondia bivalve shell fossil.
Item Number: mazbiv01
Price: $ 14.00
sale $ 10.50

Bivavle Fossil

bivalve shell fossil
1 1/2 inch siderite nodule has a bivalve fossil positive impression.
Item Number: mazbiv04
Price: $ 12.00
sale $ 9.00

Pyrite Bivavle Fossil

shell fossils
2 inch scallop fossil nodule and 1 3/8 inch bivalve shell fossil.
Item Number: mzshel04
Price: $ 14.00
sale $ 10.50
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