Open 9am – 5pm every day except Christmas
The Field Museum will be open until 6:00 PM on Friday, November 28, and Saturday, November 29, with last admission at 5:00 PM.
Annelida - Polychaeta - Phyllodocida
Dryptoscolex matthiesaeSpecimen PE 12491
Carbondale Formation - Francis Creek Shale Member
Paleozoic - Middle Pennsylvanian (~305 million years old)
Mazon Creek Area, Illinois