There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 116624 | R. Benson | Hell Creek (= Styxosaurus snowii type locality / coll. Judge West, University Kansas 1890) Santonian - Cretaceous 6 - Kansas | Williston (1890) |
| 117841 | R. Benson | Plum Creek (YPM 1644) (= Styxosaurus snowii referred specimen locality / coll. Mudge & Williston 1874) Santonian - Cretaceous 6 - Kansas | Williston (1906) |
| 117842 | R. Benson | Elasmosaurus marshii type locality, Logan County (coll. Martin 1889) Late Coniacian/Santonian - Cretaceous 6 - Kansas | Williston (1906) |
| 117843 | R. Benson | Elasmosaurus sternbergi type locality, Gove County (coll. Charles Sternberg 1895) Santonian - Cretaceous 6 - Kansas | Williston (1906) |
| 117844 | R. Benson | Elasmosaurus nobilis type locality, 4.8 km west of Jewell City (coll. Mudge 11 1874) Early Coniacian - Cretaceous 6 - Kansas | Williston (1906) |
| 117847 | R. Benson | 22.5 km east of Fort Wallace (= Polycotylus latipinnis paratype locality) Late Coniacian/Santonian - Cretaceous 6 - Kansas | Carpenter (1996) |