nexus, Taxa Only, Exact Match: 6 Treatments

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Baetis (Baetis) nexus     Gabelashvili, Sophio, Mumladze, Levan, Bikashvili, Ani, Sroka, Pavel, Godunko, Roman J. & Japoshvili, Bella, 2018, The first annotated checklist of mayflies (Ephemeroptera: Insecta) of Georgia with new distribution data and a new record for the country, Turkish Journal of Zoology 42 (2), pp. 252-262 : 253 253
Hemiptera   new species  Walker, Francis, 1856, Catalogue of the homopterous insects collected in Sarawak, Borneo, by Mr. A. R. Wallace, with descriptions of new species, Proceedings of the Linnean Society of London, Zoology 1, pp. 141-175 : 141-175 141-175
Helochares (Hydrobaticus) nexus   sp. nov.  Short, Andrew Edward Z. & Girón, Jennifer C., 2018, Review of the Helochares (Hydrobaticus) MacLeay of the New World (Coleoptera: Hydrophilidae: Acidocerinae), Zootaxa 4407 (1), pp. 29-50 : 39-42 39-42
Perciformes   new species  Larson, Helen K., 1987, A new species of Bryaninops (Pisces: Gobiidae) with notes on new records of three species of the genus, The Beagle. Records of the Museums and Art Galleries of the Northern Territory 4, No. 1, pp. 139-145 : 139 139
Proteroscelio nexus   sp. n.  Talamas, Elijah J., Johnson, Norman F., Buffington, Matthew L. & Ren, Dong, 2016, Archaeoteleia Masner in the Cretaceous and a new species of Proteroscelio Brues (Hymenoptera, Platygastroidea), Journal of Hymenoptera Research 56, pp. 241-261 : 248-250 248-250
Scorpaeniformes   new species  Poss, Stuart G. & Springer, Victor G., 1983, Eschmeyer nexus, a new genus and species of scorpaenid fish from Fiji, Proceedings of the Biological Society of Washington 96, No. 2, pp. 309-316 : 310 310