taxonID	type	description	language	source
6D0D0D69FFCAD9021880FA4F7636FBEC.taxon	description	(Figures 2 A – J; 3 A – D; 4 A – E)	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCAD9021880FA4F7636FBEC.taxon	materials_examined	Type Material. Holotype: male imago (INPA) from Brazil, Rondônia, Rolim de Moura, 192 waterfall, road 192 south, crossing pasture, S 11 ° 50 ’ 34.8 ”, W 061 ° 42 ’ 50.3 ”, 15. viii. 2022, C. R. T. De Lima, S. Nascimento, P. V. Cruz cols. Paratypes: 66 male imagos, 3 female imagoes (33 at INPA, 36 at ENT-UNIR), same data as holotype; 11 male imagoes, Colorado D’oeste, Cabixi River, border with Mato Grosso state, S 13 ° 15 ’ 32.9 ”, W 060 ° 20 ’ 03.7 ”, 19. viii. 2022, C. R. T. De Lima, S. Nascimento, P. V. Cruz cols.; one male imago (INPA), Urupá, Urupá River, crossing pasture, S 11 ° 02 ’ 07.8 ”, W 062 ° 08 ’ 41.5 ”, 23. viii. 2022, C. R. T. De Lima, S. Nascimento, P. V. Cruz cols.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCAD9021880FA4F7636FBEC.taxon	diagnosis	Diagnosis. Male imago: 1) sternum IX with posterior margin straight to slightly convex (Figs. 2 C, D and G); 2) pedestals distinctly separated in the middle; inner projection short and rounded; outer projection slightly longer and slender (Figs. 2 C, E and G, 3 A); 3) base of each penis triangular (Figs. 2 C, D, F and G); 4) main lobe of penis sclerotized, arising from the center of the base, slightly curved ventrally; apex of penis flat with small projection facing outwards (Figs. 2 H, 3 B and D); 5) secondary lobe membranous, detached basally from the main lobe, arising from the outer margin (Figs. 2 C, F and G). Female imago: 6) sternum VIII with a pair of short sockets fused on posterior margin; pair parallel, tapering towards the anterior margin with pointed apex (Figs. 4 B – E).	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCAD9021880FA4F7636FBEC.taxon	description	Description. Male imago. Length (n = 10, mm): body, 8.0 – 8.9; fore wing, 7.9 – 8.3; hind wing, 3.5 – 3.9; cerci, 20.1 – 21.1. General coloration yellowish with grey areas (Fig. 2 A). Head yellowish, shaded with black among ocelli; shaded slightly more diffuse on occipute, with medial pale mark; antennae shaded with gray (Fig. 2 A). Thorax. Pronotum yellowish, lightly shaded with black; meso and metanotum yellowish, sutures blackish, parapsidal suture and area between posteroscutal protuberances shaded with black; prosternum yellowish; meso and metastenum yellowish; mesofurcasternum shaded with gray; mesofurcasternum plate shaded, with inner margin parallel (Figs. 2 A and B). Legs. Fore, middle and hind legs whitish shaded with gray. Wings. Fore wing with membrane hyaline, opaque on C, Sc and R areas; veins Sc and R light brown in the basal 1 / 3; other veins whitish; cross veins whitish; IMP 1 connected directly to MP; ICuA 1 connected directly to ICuA 2. Hind wing with whitish veins. Abdomen. Whitish, shaded with gray on terga I and II, III – VII, VIII – X darker (Fig. 2 A). Abdominal sternum I yellowish shaded with gray, sterna II – VII whitish shaded with gray, sternum VIII darker, sternum IX shaded with gray (Fig. 2 B). Genitalia. Sternum IX with posterior margin straight to slightly convex (Figs. 2 C, D and G); pedestals distinctly separated in the middle; inner projection short and rounded; outer projection slightly longer and slender (Figs. 2 C and G, 3 A); forceps whitish; base of each penis triangular; main lobe of penis sclerotized, arising from the center of the base, slightly curved ventrally, apex of penis flat with small projection facing outwards; secondary lobe membranous, cylindrical, with rounded apex, detached basally from the main lobe, arising from the outer margin (Figs. 2 C – H, 3 A – D). Subquadrate paraproct, large and protruding (Figs. 2 I and J). Caudal Filaments whitish translucent. Female imago (Figs. 4 A – E). Length (n = 3, mm): body, 9.2 – 9.9; fore wing, 9.9 – 10.1; hind wing, 4.1 – 4.5; cerci, 3.2 – 3.4. Wings hyaline, with whitish veins. Color pattern similar to male, except for fore wing with C, Sc and R veins light brown in the basal 2 / 3, tergites and sternites with less marked spots and not connected medially in all segments; sternum VIII with a pair of short sockets fused on posterior margin, pair parallel, tapering towards the anterior margin with pointed apex (Figs. 4 B – D). Caudal filaments translucent whitish.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCAD9021880FA4F7636FBEC.taxon	etymology	Etymology. The name is a tribute to the Fundação Rondônia de Amparo ao Desenvolvimento das Ações Científicas e Tecnológicas e à Pesquisa no Estado de Rondônia (FAPERO), for providing opportunities and promoting Science in Rondônia. Noun in apposition.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCAD9021880FA4F7636FBEC.taxon	distribution	Distribution. Rondônia — Brazil.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCFD90D1880FB46770FFC10.taxon	description	(Figures 5 A – I; 6 A – C; 7 A – E)	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCFD90D1880FB46770FFC10.taxon	materials_examined	Type Material. Holotype: male imago (INPA) from Brazil; Rondônia; Machadinho D’oeste, Machado River, 2 November waterfall, S 08 ° 54 ’ 27.77 ”, W 062 ° 10 ’ 36.53 ”, 08. vii. 2018, P. V. Cruz, G. Desidério, N. Hamada, J. O. da Silva, Andrew Short, cols. Paratypes: 20 male imagos, one female imago, (10 at INPA, 10 at ENT-UNIR), same data as holotype. Additional material. One male imago from Brazil, Maranhão, Caxias, fazenda Pé de Serra, Rio Itapecuru, S 05 ° 07 ’ 28.5 ”, W 043 ° 33 ’ 02.3 ”, 06. iv. 14, S. Nascimento col.; 03 male imagoes (ENT-UNIR), from Brazil, Piauí, Campo Maior, São Gonçalo do Gurgueia, Comunidade do Arara, rio Gurgueia, S 10 ° 2 ’ 41.94 ”, W 45 ° 19 ’ 33.12 ”, 24. vi. 2024, L. R. C. Lima, S. Nascimento, S. E. C. Vitor, cols.; 03 male imagoes (ENT-UNIR), same data except date 08 – 09. viii. 24 and cols. L. R. C. Lima, I. Gonçalves, C. R. T. de Lima.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCFD90D1880FB46770FFC10.taxon	diagnosis	Diagnosis. Male imago: 1) sternum IX with posterior margin straight (Figs. 5 C and G); 2) pedestal touching basally; inner projection subtriangular, short and robust, wider than long; outer projection reduced, tapering towards the apex (Figs. 5 C and D, 6 A); 3) base of each penis subtrapezoid (Figs. 5 C, D and F, 6 A and B); 4) main lobe of penis sclerotized, tapering towards the apex, longer than secondary lobe, slightly curved ventrally (Figs. 5 C, E and G, 6 B); 5) secondary lobe membranous, positioned in front of the main lobe, straight, rounded apex with sparse setae (Figs. 5 C – E and G, 6 A and B). Female imago: 6) sternum VIII with a pair of elongate, fused, apically rounded socket (Figs. 7 A – E).	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCFD90D1880FB46770FFC10.taxon	description	Description. Male imago. Length (n = 10, mm): body, 9.8 – 10.1; fore wing, 9.6 – 9.8; hind wing, 4.9 – 5.5; cerci, 22.1 – 23.1 (the additional material of Piauí were used for measurements and description for wings. All wings of the type material are broken). General coloration yellowish brown (Fig. 5 A). Head yellowish, completely shaded with black dorsally, shaded with gray ventrally; antennae shaded with gray (Fig. 5 A). Thorax. Pronotum whitish translucent, slightly shaded with gray; meso and metanotum yellowish, sutures blackish, parapsidal suture and area between posteroscutal protuberances slightly shaded with black; prosternum whitish, slightly shaded with gray; meso and metastenum yellowish; mesofurcastenum slightly shaded with gray, mesofurcasternum plate yellowish, with inner margin parallel (Figs. 5 A and B). Legs. Foreleg, middle and hind legs shaded with gray. Wings. Fore wing with membrane hyaline; veins C, Sc and R light brown in the basal 1 / 3; other veins whitish; cross veins whitish; R whitish distally; IMP 1 connected directly to MP; ICuA 1 connected directly to ICuA 2. Hind wing with whitish veins. Abdomen. Whitish translucent, slightly shaded with gray on terga III – VII; VIII – X darker (Fig. 5 A). Abdominal sterna translucent, with yellowish sternum IX – X, slightly shaded with black (Fig. 5 B). Genitalia. Sternum IX with posterior margin almost straight (Fig. 5 C, 6 A and B); pedestal touching basally; inner projection subtriangular, short and robust, wider than long, with rounded apex; outer projection reduced, tapering towards the apex (Fig. 5 D, 6 A); forceps whitish; base of each penis subtrapezoid; main lobe of penis sclerotized, slightly curved ventrally, tapering towards the apex; secondary lobe membranous, positioned in front of the main lobe, straight, shorter than main lobe, rounded apex with setae sparse (Figs. 5 C – F, 6 A and B). Subcircular paraproct, shortened and not protruding (Figs. 5 H – I). Caudal filaments translucent whitish. Female imago (Figs. 7 A – E). Length (n = 1, mm): body, 10.1; fore wing, 11.2; hind wing, 5.6; cerci, 3.8. Wings membranes hyaline, with whitish veins. Color pattern similar to male, except for fore wing with C, Sc and R veins and cross veins light brown in the basal 2 / 3; terga I to II slightly shaded gray, III – VII with well-defined dark posterior margin, VIII – IX shaded with gray (Fig. 7 A). Sternum VIII with a pair of elongate, fused, apically rounded socket (Figs. 7 C and D). Caudal filaments translucent whitish.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCFD90D1880FB46770FFC10.taxon	etymology	Etymology. Tribute to Laboratório de Citotaxonomia e Insetos Aquáticos — LACIA (INPA), coordinated by Dr. Neusa Hamada, for promoting and fostering aquatic science expeditions throughout the Amazon and Brazil. Name in apposition.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFCFD90D1880FB46770FFC10.taxon	distribution	Distribution. Rondônia, Piauí, Maranhão — Brazil.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFC0D90D1880FC017636F843.taxon	description	(Figures 8 A – I; 9 A – C)	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFC0D90D1880FC017636F843.taxon	materials_examined	Type Material. Holotype: male imago (INPA) from Brazil; Rondônia; Machadinho D’oeste, Machado River, 2 November waterfall, S 08 ° 54 ’ 27.77 ”, W 062 ° 10 ’ 36.53 ”, 23. viii. 2016, P. V. Cruz, N. Hamada, cols. Paratypes: 3 male imagos (1 at INPA, 2 at ENT-UNIR), same data as holotype.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFC0D90D1880FC017636F843.taxon	diagnosis	Diagnosis. Male imago. 1) sternum IX with posterior margin triangular, elongated and sclerotized (Figs. 8 C, F and G); 2) pedestal touching basally; inner projection subtriangular, short and robust, longer than wide; outer projection reduced, tapering towards the apex (Fig. 8 G, 9 A); 3) base of each penis subtrapezoid (Figs. 8 E and F, 9 A); 4) main lobe of penis sclerotized, with basal half expanded laterally, similar to ears, with fold facing dorsally (Figs. 8 C – F, 9 A – C); 5) secondary lobe vestigial (Figs. 8 C – F, 9 A and B).	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFC0D90D1880FC017636F843.taxon	description	Description. Male imago. Length (n = 4, mm): body, 10.01 – 11.2; fore wing 10.6 – 11.4; hind wing 4.9 – 5.5 (none of the caudal filaments of the four species are completely intact). General coloration yellowish (Figs. 8 A and B). Head yellowish, slightly shaded with gray between ocelli. Antennae whitish (Fig. 8 A). Thorax. Pronotum translucent; meso and metanotum yellowish with shaded sutures; parapsidal suture and area between posteroscutal protuberances shaded; pros- meso and metasternum yellowish; mesofurcasternum yellowish, inner margin of the mesofurcasternal plate diverging on posterior 1 / 2 (Figs. 8 A and B). Legs whitish. Wings. Forewing with membrane hyaline, area between veins C, Sc and R pigmented with white from the distal half; veins whitish; cross veins whitish. IMP 1 connected directly to MP; ICuA 1 connected directly to ICuA 2. Hindwing with whitish veins. Abdomen whitish translucent, yellowing gradually from the terga VII – X (Fig. 8 A). Abdominal sterna whitish medially, sterna VII – X yellowish (Fig. 8 B). Genitalia. Sternum IX with posterior margin sclerotized, triangular and elongated (Figs. 8 C and F, 9 A and C); pedestal touching basally; inner projection subtriangular, short and robust, longer than wide; outer projection reduced, tapering towards the apex (Fig. 8 G, 9 A); forceps whitish; base of each penis subtrapezoid; main lobe of penis sclerotized, with basal half expanded laterally, similar to ears, with fold facing dorsally, sharply tapering towards the apex, curved ventrally; secondary lobe vestigial on inner margin of main lobe (Figs. 8 C – F, 9 A – C). Paraproct subquadrate, large and not protruding (Figs. 8 H and I). Caudal filaments translucent whitish. Female imago. unknown.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFC0D90D1880FC017636F843.taxon	etymology	Etymology. Name of the river in which the species was collected. Name in apposition.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
6D0D0D69FFC0D90D1880FC017636F843.taxon	distribution	Distribution. Rondônia — Brazil.	en	De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa, Cruz, Paulo Vilela (2025): Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil. Zootaxa 5584 (4): 505-522, DOI: 10.11646/zootaxa.5584.4.3, URL: https://doi.org/10.11646/zootaxa.5584.4.3
