Tullimonstrum gregarium (specimen 01)

Specimen Name: Tullimonstrum gregarium
Common Name: Tully Monster
Specimen Code: 18BILA00001
Acquisition Method: Purchased (date unknown)

Locale: Pit 11, Braidwood, Illinois, USA
Formation: Mazon Creek Fossil Beds, Francis Creek Shale, Carbondale Formation
Geologic Time Period: Middle Pennsylvanian Sub-Period

Taxonomy:
Eukarya – Animalia – Bilateria – Tullimonstrum – Gregarium

Description of Specimen:
One half of a split nodule – edges are reddish brown, but the centre is dark brown, faintly seen are a cylindrical body bisected by a bar with rounded ends; the body continues into a sort of arm, but it does not complete

Measurements of Specimen:

• Specimen 01: 80mm x 40mm x 0mm
• Nodule: 85mm x 80mm x 8mm