| Citation | Prehn, L.M. and E.M. Rasch, 1969, Cytogenetic studies of Poecilia (Pisces) I. Chromosome numbers of natural occurring poeciliid species and their hybrids from eastern Mexico.. Can. J. Gen. Cytol. 11:880-895. |
| Ref. | 8961 Prehn, L.M. and E.M. Rasch, 1969 |
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| Named Used as Valid | Poecilia sphenops |
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