| Citation | Baillie, J. and B. Groombridge (eds.), 1996, 1996 IUCN red list of threatened animals.. IUCN, Gland, Switzerland. 378 p. |
| Ref. | Baillie, J. and B. Groombridge (eds.), 1996 |
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| Named Used as Valid | Ptychochromoides betsileanus |
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