Abstract：
:Allozyme products of 32 gene loci were compared for the North American cyprinid fishes Campostoma oligolepis, Cyprinella galactura, Cyprinella monacha, Erimystax cahni, E. dissimilis, E. insignis, E. x-punctatus, Hybopsis amblops, H. labrosa, H. rubriforns, H. zanema, Macrhybopsis aestivalis, M. gelida, M. meeki, Nocomis biguttatus, Phenacobius uranops, Platygobio gracilis, and P. storeriana. Triose-phosphate isomerase was found to be duplicated in all species examined. Parsimony analysis revealed that Hybopsis sensu lato did not form a monophyletic group. Cyprinella monacha was found to be the sister species to members of the genus Cyprinella and was excluded from the genus Erimystax. A clade of four species of Erimystax was identified although relationships among the four species could not be resolved. Phenacobius was identified as the sister group to Erimystax. The genus Macrhybopsis was expanded to include M. aestivalis. Macrhybopsis gelida was identified as the sister to M. meeki and M. aestivalis as the sister to the former two species. The genus Platygobio was expanded to include P. storeriana. Hybopsis labrosa and H. zanema were found to be more closely related to members of the genus Hybopsis sensu stricto than to members of Cyprinella.
journal_name
Mol Phylogenet Evoljournal_title
Molecular phylogenetics and evolutionauthors
Dimmick WWdoi
10.1006/mpev.1993.1018subject
Has Abstractpub_date
1993-09-01 00:00:00pages
173-84issue
3eissn
1055-7903issn
1095-9513pii
S1055-7903(83)71018-3journal_volume
2pub_type
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