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1" Fossil Egg Case (Lepidocystis) - Illinois
This is a 1.0" fossil egg case of an epifaunal suspension feeder (Lingula) from the Carbondale Formation near Essex. Illinois. It is preserved in an ironstone nodule and contains both the positive (convex) and the negative (concave) halves of the fossil.
Epifaunal organisms are marine organisms like starfish or anemeone that live on a substrate but do not burrow into it.
Epifaunal organisms are marine organisms like starfish or anemeone that live on a substrate but do not burrow into it.
SPECIES
Lepidocystis sp.
LOCATION
Essex, Illinois
FORMATION
Carbondale Formation
SIZE
1.0" egg case, 1.8 x 1.4" nodule
CATEGORY
ITEM
#120880
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