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Fig. 5 in Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida)

Fig. 5. Columbianum nahvalr sp. nov. A. Midbody rings from lateral view, showing pronounced difference between pro- and metazonite and shape of pleurites. B. 'Channel' between pro- and metazonite in dorsal view of male showing tubercles and line of setae. C. Tarsal claw and accessory claw of midbody leg from right side of male, in anterior dorsal view. D. Gonopods of holotype male, lateral view with anterior gonopods to right. E. Gonopods of small, presumably immature male, in lateral view, anterior gonopds to left. Scale bars = A, D–E = 0.2 mm; B–C = 0.01 mm.

Fig. 4 in Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida)

Fig. 4. Columbianum nahvalr sp. nov. A. Head and anterior body rings of male, showing the appearance of gonopods in a 'relaxed specimen'. Body width approximately 1 mm. B. Close up of gonopods in a 'relaxed' specimen. Body width approximately 1 mm. C. Head of holotype male in dorsal view. Note long setae originating from base of rostrum. D. Head and rostrum of female in dorsal view. E. Head and rostrum of female in lateral view. Scale bars = C = 0.2 mm; D–E = 0.1 mm.

Fig. 3 in Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida)

Fig. 3. Columbianum major sp. nov. A. Tarsal claw and accessory claw of midbody leg from right side of male, anterior view. B–F. Gonopods of holotype male. B. In situ (apex of posterior gonopod hidden behind the anterior gonopods). C. Anterior gonopod in lateral view. D. Anterior gonopod in mesal view. E. Posterior view in lateral view (apex broken). F. Posterior gonopods in mesal view (apex broken). Scale bars = A = 0.01 mm; B–F = 0.2 mm.

Fig. 1 in Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida)

Fig. 1. Body width (mm) against the total number of tergites with legs for new species of Columbianum Verhoeff, 1941. A. Males. B. Females.

Fig. 2 in Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida)

Fig. 2. Columbianum major sp. nov. A. Habitus of largest female paratype from Reserva Duche Terra Firme. Total length 43 mm. B–C, E–F. Holotype, ♂. B. Head and anterior tergites in dorsal view. C. Head and anterior rings in lateral view. D. Paratype, ♂. Limbus of midbody metazonite of male in posterior view. E. Pleurites in lateral view, midbody rings (anterior to left). F. Pleurites in lateral view, rings 6 and 7 (anterior to left). Scale bars = B–C, E–F = 0.2 mm; D = 0.1 mm.

Fig. 6 in Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida)

Fig. 6. Columbianum adisi sp. nov. A. Head and first few rings of male in dorsal view. B. Dorsal view of midbody ring from male showing detail of tubercles. C. Dorsal view of midbody ring from male showing detail of limbus. D. Midbody ring from male showing hind edge of pleurite from the inside. E. Midbody claw and accessory claw from male in posterior ventral view. F. Male anterior gonopods in situ. G. Male gonopods in lateral view, posterior (left) and anterior (right). H. Lateral view of pleurites from front end of female paratype. Anterior to left. Scale bars = A, D, F = 0.1 mm; B–C, E = 0.01 mm; G–H = 0.2 mm.

Fig. 3 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 3. Siphonophora setaepromissa sp. nov., non-type specimen. A. Head in lateral view. B. Head in dorsal view. C. Pleurite in lateral view, anterior to left. D. Head of male in lateral view. E. Head of female in ventral view. F. Head of female in lateral view with left antenna missing. Scale bars: A–C = 200 µm; D–F = 10 µm.

Fig. 8. A. Siphonophora fuhrmanni Carl, 1914 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 8. A. Siphonophora fuhrmanni Carl, 1914, type specimen, habitus, body length approximately 30 mm. B. Siphonophora mjoebergi Verhoeff, 1924, non-type specimen, habitus, body length approximately 15 mm. C. Siphonophora setaepromissa sp. nov., paratype, ozopore showing ring of setae, scale bar = 0.01 mm.

Fig. 7 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 7. Siphonophora tuberculata sp. nov., paratype. A. Head and anterior rings, body width approximately 0.5 mm. B. Holotype, head in lateral view. C. Holotype, mid-body pleurites in lateral view. D. Gonopods in situ. E. Head in ventro-lateral view with mandible visible. Scale bars: B–C = 200 µm; D–E = 100 µm.

Fig. 2 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 2. Siphonophora hebetunguis (Attems, 1951), type specimen (NHMW 2295). A. Head and anterior rings, body width approximately 0.8 mm. B. Head in dorsal view. C. Head in lateral view. D. Male gonopods. E. Ventral margin of pleurite in lateral view, anterior to left. F. Claw. G. Mid-body limbus of male. H. Mid-body pleurite hind edge from inside (male). Scale bars: A = 800 µm; B–E = 200 µm; F–H = 10 µm.

Fig. 1 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 1. Relationship between body width (mm) against the total number of tergites with legs for new species of Siphonophora Brandt, 1837 and S. hebetunguis (Attems, 1951).

Fig. 5 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 5. Siphonophora setaepromissa sp. nov., non-type specimens. A. Mid-body rings of male with long setae, body width approximately 1 mm. B. Midbody rings of male with short setae, body width approximately 1 mm. C. SEM showing long setae in male. D. Limbus of female showing anchor-shaped tubercles. Scale bars: C = 100 µm; D = 10 µm.

Fig. 6 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 6. Siphonophora setaepromissa sp. nov., non-type specimen. A. Male gonopods in situ. B. Male gonopods in situ. C. Claws in ventral view. D. Claw in anterior view. Scale bars: A–B = 100 µm; C–D = 10 µm.

Fig. 4 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 4. Siphonophora setaepromissa sp. nov., relationship between body width and setae length in males and females.

Fig. 9 in Siphonophoridae from Brazilian Amazonia. Part 2 - Two new treeclimbing species of the genus Siphonophora, including one showing pilosity polymorphism (Diplopoda, Siphonophorida)

Fig. 9. Claws and accessory claws in the three species of Siphonophora Brandt, 1837 studied here. A. Siphonophora hebetunguis (Attems, 1951). B. Siphonophora setaepromissa sp. nov. C. Siphonophora tuberculata sp. nov. Not to scale.

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Linked collectors and determiners for: Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida).

Natural history specimen data linked to collectors and determiners held within, "Siphonophoridae from Brazilian Amazonia Part 1 - The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c447a6b6-36b5-40de-ab76-80a9c7d96d3a">https://bionomia.net/dataset/c447a6b6-36b5-40de-ab76-80a9c7d96d3a</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c447a6b6-36b5-40de-ab76-80a9c7d96d3a">https://gbif.org/dataset/c447a6b6-36b5-40de-ab76-80a9c7d96d3a</a>. Formatted as a Frictionless Data package.