Key to the Species of Notropis

1a. Mouth inferior and under long, rounded snout; body ventrally flattened; body typically pale in coloration with no lateral stripe or darkly outlined scales.

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1b. Mouth terminal, subterminal, or oblique and not under long, rounded snout; body terete, not ventrally flattened; body typically with some pigmentation forming a lateral stripe or outlined scales.

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