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Two Fossil Arrow Worms (Paucijaculum) - Illinois
This is two, fossil worms (Paucojaculum), preserved inside an ironstone nodule from the Carbondale Formation near Essex, Illinois. The longest worm is 1.0".
Paucijaculum is an extinct genus of the phyllum Chaetognatha, the Bristle Jaw worms. They planktonic marine predators.
Paucijaculum is an extinct genus of the phyllum Chaetognatha, the Bristle Jaw worms. They planktonic marine predators.
SPECIES
Paucijaculum samamithion
LOCATION
Essex, Illinois
FORMATION
Carbondale Formation
SIZE
1.0" longest worm, 3.5 x 1.4" nodule
CATEGORY
ITEM
#120868
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