Nomorhamphus
National Institutes of Health
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Abstract We have previously documented multiple, independent origins of placentas in the fish family Poeciliidae. Here we…
The testes of 19 species of viviparous halfbeaks from three genera, Nomorhamphus, Dermogenys, and Hemirhamphodon, are examined…
In a cladistic analysis, poeciliids and zenarchopterids homoplasically show elongation and flattening of the nucleus at right…