| Citation | Springer, S., 1967, Social organization of shark populations.. p. 149-174. In P.W. Gilbert, R.F. Mathewson and D.P. Rall (eds.) Sharks, skates and rays. John Hopkins Press, Baltimore. |
| Ref. | Springer, S., 1967 |
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| Named Used as Valid | Apristurus riveri |
| Comment | Cited in Ref. 49562. Not actually seen. Valid name used similar to citing reference. |
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