There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23990 | S. Holland | Bromide Formation, Mountain Lake Member (Lower Zone), Oklahoma Blackriveran - Ordovician 4-5 - Oklahoma | Fay et al. (1982) |
| 24102 | S. Holland | Bromide Formation, Lower Echinoderm Zone Blackriveran - Ordovician 4-5 - Oklahoma | Sprinkle (1982) |
| 186181 | P. Wagner | McLish Ranch Turinian - Ordovician 4 - Oklahoma | Cooper (1956) |