There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 112638 | M. Clapham | Mazon Creek (FMNH collection) Westphalian D - Carboniferous 4 - Illinois | Béthoux (2005) |
| 133734 | M. Clapham | Mazon Creek (Illinois State Museum collection) Westphalian D - Carboniferous 4 - Illinois | Carpenter (1943) |
| 152106 | M. Clapham | Mazon Creek (University of Illinois collection) (coll. Joseph Even 1867) Westphalian D - Carboniferous 4 - Illinois | Meek and Worthen (1868) |