| Citation | Feichtinger, W., 1988, Cytogenetic investigations in livebearing toothcarps (Pisces, Poeciliidae).. p. 38. In II. Simp. Citogenet. Evol. e Aplic. de Peixes Neotropicais, Sao Carlos-SP. |
| Ref. | Feichtinger, W., 1988 |
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| Named Used as Valid | Xenophallus umbratilis |
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