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Centre for Biodiversity Genomics. CBG Photography Group. Year: 2011.   cc-by-nc-sa-3.0

Heptagenia elegantula is a species of mayfly in the family flat-headed mayflies.

EOL has data for one attribute:

Known occurrences, collected specimens and observations of <i>Heptagenia elegantula</i> (Eaton 1885)