Stenacron areion (Burks, 1953)[1][2] Stenonema areion Burks, 1953[1][2] Stenonema ohioense Traver, 1935[2] Stenonema majus Traver, 1935[2] Stenonema proximum Traver, 1935[1][2] Stenacron proximum (Traver, 1935)[1][3] Stenacron majus (Traver, 1935)[1][3] Stenacron conjunctum (Traver, 1935)[1][3] Stenonema conjunctum Traver, 1935[1][2] Stenonema affine Traver, 1933[2] Stenonema heterotarsale (McDunnough, 1933)[2] Stenonema interpunctatum (McDunnough, 1933)[1][3] Stenacron heterotarsale (McDunnough, 1933)[1][2] Stenacron affine (Traver, 1933)[1][3] Ecdyonurus heterotarsalis McDunnough, 1933[2] Stenonema frontale (Banks, 1910)[2] Stenacron frontale (Banks, 1910)[2] Ecdyonurus frontalis (Banks, 1910)[2] Stenonema interpunctatum (Banks, 1910)[1][3] Stenocron frontale (Banks, 1910)[1][3] Heptagenia frontalis Banks, 1910[2] Stenonema canadense (Walker, 1853)[2] Heptagenia canadensis (Walker, 1853)[2] Ecdyurus canadensis (Walker, 1853)[2] Ecdyonurus canadensis (Walker, 1853)[2] Stenonema interpunctatum (Walker, 1853)[1][3] Stenacron canadense (Walker, 1853)[1][2] Baetis canadensis Walker, 1853[2] Palingenia interpunctata (Say, 1839)[2] Heptagenia interpunctata (Say, 1839)[2] Stenonema interpunctatum (Say, 1839)[1][3] Stenonema interpunctatum (Say, 1839)[1][2] Baetis interpunctata Say, 1839[2]
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