Mazon Creek fossil beds

E874069
Lagerstätte fossil site

Mazon Creek fossil beds are a renowned Pennsylvanian-age Lagerstätte in Illinois famous for exceptionally well-preserved soft-bodied plants and animals within ironstone concretions.

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All labels observed (3)

Label Occurrences
Mazon Creek (in fossil context) 1
Mazon Creek Fossil Beds State Natural Area 1
Mazon Creek fossil beds canonical 1

Statements (62)

Predicate Object
instanceOf Lagerstätte ⓘ
fossil site ⓘ
associatedWithIndustry coal mining ⓘ
containsFossil Acanthodes spp. NERFINISHED ⓘ
Amphibians ⓘ
Arachnids ⓘ
Bivalves ⓘ
Calamites ⓘ
Cnidarians ⓘ
Crustaceans ⓘ
Early reptiles ⓘ
Esconichthys apopyris NERFINISHED ⓘ
Eurypterids NERFINISHED ⓘ
Ferns ⓘ
Fossil jellyfish ⓘ
Gastropods ⓘ
Horseshoe crabs ⓘ
Insect fossils ⓘ
Lepidodendron NERFINISHED ⓘ
Lycopsids NERFINISHED ⓘ
Millipedes ⓘ
Nematodes ⓘ
Palaeonisciform fishes ⓘ
Polychaete worms ⓘ
Seed ferns (pteridosperms) ⓘ
Sigillaria NERFINISHED ⓘ
Sphenopsids ⓘ
Tullimonstrum gregarium NERFINISHED ⓘ
country United States of America ⓘ
surface form: United States
discoveredIn mid-19th century ⓘ
environmentOfDeposition coastal plain ⓘ
deltaic ⓘ
estuarine ⓘ
geologicAge Pennsylvanian ⓘ
late Carboniferous ⓘ
geologicalTimeSpan approximately 307–309 million years ago ⓘ
hasProtectionStatus partly protected as state park areas ⓘ
hasTypeLocality Mazon River NERFINISHED ⓘ
knownFor diverse Pennsylvanian biota ⓘ
exceptional soft-tissue preservation ⓘ
exceptionally preserved animals ⓘ
exceptionally preserved plants ⓘ
soft-bodied fossil preservation ⓘ
lithology ironstone ⓘ
sideritic mudstone concretions ⓘ
locatedIn Grundy County, Illinois NERFINISHED ⓘ
Illinois ⓘ
Will County, Illinois NERFINISHED ⓘ
locatedOnGeologicUnit Carboniferous period GENERATED ⓘ
Pennsylvanian subperiod GENERATED ⓘ
namedAfter Mazon Creek NERFINISHED ⓘ
overlies Joliet Sandstone NERFINISHED ⓘ
partOf Illinois Basin NERFINISHED ⓘ
Mazon Creek depositional basin NERFINISHED ⓘ
preservationType concretionary preservation ⓘ
ironstone concretions ⓘ
recognizedAs one of the most important Carboniferous Lagerstätten ⓘ
researchField paleobotany ⓘ
paleoecology ⓘ
paleontology ⓘ
stratigraphicUnit Carbondale Formation NERFINISHED ⓘ
Francis Creek Shale NERFINISHED ⓘ

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Mazon River → hasFossilLocality → Mazon Creek fossil beds ⓘ
Mazon River → hasNearbyProtectedArea → Mazon Creek fossil beds ⓘ
this entity surface form: Mazon Creek Fossil Beds State Natural Area
Mazon River → alsoKnownAs → Mazon Creek fossil beds ⓘ
this entity surface form: Mazon Creek (in fossil context)