Baetis ursinus ursinus, Taxa Only, Exact Match: 2 Treatments

Baetis (Tenuibaetis) ursinus Kazlauskas 1963			Yanygina, L. V. & Potapova, N. K., 2022, New data on the mayflies (Ephemeroptera) of North-Western Yakutia, Far Eastern Entomologist 446, pp. 13-23 : 17	17
Baetis (Tenuibaetis) ursinus Kazlauskas 1963			Kluge, Nikita, Srinivasan, Pandiarajan, Sivaruban, T., Barathy, S. & Isack, Rajasekaran, 2023, Contribution to the knowledge of the subgenus Tenuibaetis Kang & Yang 1994 (Ephemeroptera, Baetidae, Baetis s. l.), Zootaxa 5277 (2), pp. 201-258 : 208-212	208-212