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| Author | : | Stephenson, L.W. |
| Year of publication | : | 1938 |
| Reference letter | : | a |
| Title | : | A new Upper Cretaceous rudistid from the Kemp Clay of Texas. |
| Journal | : | United States Geological Survey, Professional Papers |
| Vol/No/Pages/Plates | : | (A), 193: 7 pp., 5 pls. |
| Published in | : | Washington, D.C. |