| Citation | Anonymous, 1918, Breeding habits of the American mud minnow.. Aquatic Life 4:12-13. |
| Ref. | 39067 Anonymous, 1918 |
| Page | 12-13 |
| Named Used as Valid | Umbra pygmaea |
| Comment | Cited in Ref. 4639. Not actually seen. Valid name used similar to citing reference. |
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