Full reference: E. S. Richardson. 1966. Wormlike fossils from the Pennsylvanian of Illinois. Science 151(3706):75-76
Sister taxa: none
Type specimen: CNHM PE 10504, an exoskeleton
Distribution: there are no occurrences of Tullimonstrum gregarium in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.