Tullimonstrum gregarium Richardson, 1966

  • Tullimonster gregarium tully monster TVT 2449 PE 81597
    Photographer: Paul S. Mayer : Field Museum of Natural History - Geology Department
    (c) Field Museum of Natural History - CC BY-NC 4.0
    Description: A Pennsylvanian Tully monster fomr th eMazon Creek regioon of Illinois. This specimens is complete and coiled. From Thomas V. Testa collection.
  • Tullimonster gregarium tully monster TVT 2449 PE 81597
    Photographer: Paul S. Mayer : Field Museum of Natural History - Geology Department
    (c) Field Museum of Natural History - CC BY-NC 4.0
    Description: nice coiled tully monster from Thomas V. Testa collection crossed polarized lighting
  • TVT 2449a Thomas V. Testa Sketch of Tully Monster
    Illustrator: Thomas V. Testa
    Editor: Paul S. Mayer : Field Museum of Natural History - Geology Department
    (c) Field Museum of Natural History - CC BY-NC 4.0
    Description: Thomas V. Testa Sketch of Tully Monster specimens TVT 2449a FMNH catalog number PE 81597.
Catalog Number: PE 81597
Taxonomic Name: Tullimonstrum gregarium Richardson, 1966
FM Catalog: Fossil Invertebrates
Object Kind: Hand Specimen
Lot count: 1
Phylum: Problematica
Period: Pennsylvanian
Earliest Epoch: Middle Pennsylvanian
Earliest Age: Moscovian / Desmoinesian
Formation: Carbondale
Morphology: complete tully
Lithology: Siderite nodule
Member: Francis Creek Shale
Coordinates Available?: Yes
Region/Area: Mazon Creek Region
Country: United States of America
State/Province/Territory: Illinois
County: Kankakee - Will
EMu IRN: 3519891
Occurrence ID: ec7de32e-1179-40e5-9453-eb2fe732651e

Disclaimer: Data and historical records associated with Field Museum's geological collections may contain language which is culturally sensitive owing to the colonial context of the Museum's history. We have specimens collected over the last 150 years, and from all over the world. Some records associated with these specimens may include offensive language. These records do not reflect the Field Museum's current viewpoint but rather the social attitudes and circumstances of the time period when these records were made.

We welcome feedback. We are continually working with our geological records to ensure the accuracy and appropriateness of these data. As we work to promote a greater understanding of the global heritage embodied by our collections, we actively seek consultation and will revise or remove information that is inaccurate or inappropriate. We encourage and welcome help from minorities and other people historically-underrepresented in museum communities, scholars, and others to improve the data in our geological records.