-83.61667, 9.283334: 10 Treatments

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Myrmelachista zeledoni     Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 46-48 46-48
Anolis riparius   sp. nov.  Chaves, Gerardo, Ryan, Mason J., Bolaños, Federico, Márquez, Cruz, Köhler, Gunther & Poe, Steven, 2023, Two new species of semiaquatic Anolis (Squamata: Dactyloidae) from Costa Rica, Zootaxa 5319 (2), pp. 249-262 : 257-259 257-259
Epeolus claripennis     Onuferko, Thomas M., 2019, A review of the cleptoparasitic bee genus Epeolus Latreille, 1802 (Hymenoptera: Apidae) in the Caribbean, Central America and Mexico, European Journal of Taxonomy 563, pp. 1-69 : 15-19 15-19
Hyphessobrycon savagei     Ota, Renata R., Carvalho, Fernando R. & Pavanelli, Carla S., 2020, Taxonomic review of the Hyphessobrycon panamensis species-group (Characiformes: Characidae), Zootaxa 4751 (3), pp. 401-436 : 427-430 427-430
Protium brenesii   comb. nov.  Santamaria-Aguilar, Daniel & Lagomarsino, Laura P., 2017, Two new species and a new combination in Protium (Burseraceae) from Costa Rica, PhytoKeys 76, pp. 89-113 : 102-106 102-106
Plagiocephalus latifrons     Vasconcelos, Ana Caroline O., Wendt, Lisiane D. & de Carvalho, Claudio J. B., 2019, Taxonomic revision of the Neotropical stalk-eyed fly Plagiocephalus Wiedemann (Diptera, Ulidiidae, Ulidiinae), Revista Brasileira de Entomologia 63 (1), pp. 80-90 : 86-88 86-88
Symplocos costaricana     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Brachiacantha nubes   sp. nov.  Nestor-Arriola, Jorge Ismael, Toledo-Hernandez, Victor Hugo, Solis, Angel, Gonzalez, Guillermo & Vetrovec, Jaroslav, 2021, The Brachiacantha Dejean, 1837 (Coleoptera, Coccinellidae) of Central America, ZooKeys 1024, pp. 157-196 : 157 157
Symplocos naniflora     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Aristolochia longissima   sp. nov.  Jiménez, José Esteban, Fernández, Reinaldo Aguilar & Blanco, Mario A., 2021, Two new species of Aristolochia series Thyrsicae (Aristolochiaceae) from southern Central America, with comments on morphologically similar species, Phytotaxa 520 (2), pp. 169-183 : 173-176 173-176