{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T13:08:16Z","timestamp":1785157696127,"version":"3.55.0"},"reference-count":21,"publisher":"Pensoft Publishers","license":[{"start":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T00:00:00Z","timestamp":1785110400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ZK"],"abstract":"<jats:p>Ephoron yunnanensis Zhou, 2002 is considered as a nomen nudum since only mentioned in an unpublished Ph.D. thesis and therefore not officially validated. This study validates the species based on specimens from China (Yunnan Province) and Thailand (Chiang Mai and Chiang Rai Provinces). The species is formally described here for the first time and illustrated. Our morphological evidence and COI data support its independent species status. Additionally, the egg of this species is described. Diagnostic characters, distributions, and keys for both the nymphal and imaginal stages of all known Thai Ephoron species are also provided.<\/jats:p>","DOI":"10.3897\/zookeys.1286.204617","type":"journal-article","created":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T12:56:56Z","timestamp":1785157016000},"page":"227-250","source":"Crossref","is-referenced-by-count":0,"title":["Taxonomic validation of Ephoron yunnanensis Zhou, 2002 (nomen nudum) (Ephemeroptera, Polymitarcyidae)"],"prefix":"10.3897","volume":"1286","author":[{"given":"Sedtawut","family":"Kwanboon","sequence":"first","affiliation":[{"name":"Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xu-Hong-Yi","family":"Zheng","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Jiangsu Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang-Fa","family":"Zhou","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Jiangsu Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Boonsatien","family":"Boonsoong","sequence":"additional","affiliation":[{"name":"Biodiversity Center Kasetsart University (BDCKU), Bangkok, Thailand"},{"name":"Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2258","published-online":{"date-parts":[[2026,7,27]]},"reference":[{"key":"204617_B1","doi-asserted-by":"publisher","DOI":"10.26515\/rzsi\/v29\/i2\/1927\/163220"},{"key":"204617_B2","doi-asserted-by":"publisher","DOI":"10.1080\/01650420802010356"},{"key":"204617_B3","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.en.33.010188.002453"},{"key":"204617_B4","unstructured":"Edmunds GF, Jensen SL, Berner L (1976) The Mayflies of North and Central America. University of Minnesota Press, Minneapolis, 330 pp."},{"key":"204617_B5","unstructured":"Folmer O, Black M, Hoeh W, Lutz R, Vrijenhoek R (1994) DNA primers for amplification of mitochondrial cytochrome c oxidase subunit I from diverse metazoan invertebrates. Molecular Marine Biology and Biotechnology 3(5): 294\u2013299."},{"key":"204617_B6","unstructured":"ICZN [International Commission on Zoological Nomenclature] (1999) International Code of Zoological Nomenclature. Fourth Edition. 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Doctoral dissertation of NanKai Univeristy, Tianjin, China, 239 pp."},{"key":"204617_B21","unstructured":"Zhou C-F, Gui H, Zhou K-Y (2003) Key to the families of Ephemeroptera larvae in China (Insecta). 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