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Museum of Comparative Zoology, Harvard University   cc-by-nc-sa-3.0

Hagenulus is a genus of Mayflies in the family pronggilled mayflies.

EOL has data for 6 attributes, including:

Known occurrences, collected specimens and observations of Hagenulus from the Global Biodiversity Information Facility   GBIF provides free and open access to biodiversity data. View this species on GBIF