taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168545/files/figure.png	https://doi.org/10.5281/zenodo.19168545	FIGURE 1. Map showing the updated geographic distribution of Arcopotamonautes johnstoni (Miers, 1885) in East Africa. Scale bar = 88 km. See text for exact localities.	FIGURE 1. Map showing the updated geographic distribution of Arcopotamonautes johnstoni (Miers, 1885) in East Africa. Scale bar = 88 km. See text for exact localities.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168553/files/figure.png	https://doi.org/10.5281/zenodo.19168553	FIGURE 3. Dorsal view of overall habitus. A, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; B, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), Lake Chala, near Taveta, Kenya. Scale bars: A = 22.2 mm; B = 16.9 mm.	FIGURE 3. Dorsal view of overall habitus. A, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; B, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), Lake Chala, near Taveta, Kenya. Scale bars: A = 22.2 mm; B = 16.9 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168557/files/figure.png	https://doi.org/10.5281/zenodo.19168557	FIGURE 4. A–C, Arcopotamonautes johnstoni (Miers, 1885) holotype male (CW 46.0 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; D, Arcopotamonautes platycentron (Hilgendorf, 1897) adult male (CW 50.0 mm) Lake Chala, Tanzania (NHM 2002.910-911). A, cephalothorax, frontal view; B, carapace, dorsal view; C, cephalothorax showing thoracic sternum, ventral view; D, whole animal, dorsal view. Scale bars: A = 6.8 mm; B, C = 14.6 mm; D = 16.1 mm.	FIGURE 4. A–C, Arcopotamonautes johnstoni (Miers, 1885) holotype male (CW 46.0 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; D, Arcopotamonautes platycentron (Hilgendorf, 1897) adult male (CW 50.0 mm) Lake Chala, Tanzania (NHM 2002.910-911). A, cephalothorax, frontal view; B, carapace, dorsal view; C, cephalothorax showing thoracic sternum, ventral view; D, whole animal, dorsal view. Scale bars: A = 6.8 mm; B, C = 14.6 mm; D = 16.1 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168561/files/figure.png	https://doi.org/10.5281/zenodo.19168561	FIGURE 5. Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania. A, carapace, dorsal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, carapace, frontal view. Scale bars: A = 10.4 mm; B, C = 21.6 mm; D = 9.9 mm.	FIGURE 5. Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania. A, carapace, dorsal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, carapace, frontal view. Scale bars: A = 10.4 mm; B, C = 21.6 mm; D = 9.9 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168563/files/figure.png	https://doi.org/10.5281/zenodo.19168563	FIGURE 6. A, C, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; B, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, B, carapace turned to show branchiostegite; C, D, P3, detail of carpus, propodus and dactylus; E, F, P5, detail of merus, carpus, propodus and dactylus. Scale bars: A = 9.5 mm; B = 6.3 mm; C = 7.6 mm; D, E, F = 12.7 mm.	FIGURE 6. A, C, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; B, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, B, carapace turned to show branchiostegite; C, D, P3, detail of carpus, propodus and dactylus; E, F, P5, detail of merus, carpus, propodus and dactylus. Scale bars: A = 9.5 mm; B = 6.3 mm; C = 7.6 mm; D, E, F = 12.7 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168567/files/figure.png	https://doi.org/10.5281/zenodo.19168567	FIGURE 7. A–F, Arcopotamonautes johnstoni (Miers, 1885), A, B, holotype male (CW 54.5 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; C, D, adult male (CW 71.6 mm) (NMU 1966.05); E, F, adult female (CW 84.1 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; G–H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, near Taveta, Kenya. A, C, E, G, frontal view of right chela; B, D, F, H, frontal view of left chela. Scale bars: A, B = 8.0 mm; C, D = 11.1 mm; E, F = 8.2 mm; G, H = 12.7 mm.	FIGURE 7. A–F, Arcopotamonautes johnstoni (Miers, 1885), A, B, holotype male (CW 54.5 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; C, D, adult male (CW 71.6 mm) (NMU 1966.05); E, F, adult female (CW 84.1 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; G–H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, near Taveta, Kenya. A, C, E, G, frontal view of right chela; B, D, F, H, frontal view of left chela. Scale bars: A, B = 8.0 mm; C, D = 11.1 mm; E, F = 8.2 mm; G, H = 12.7 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168569/files/figure.png	https://doi.org/10.5281/zenodo.19168569	FIGURE 8. A, B, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; C, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, right cheliped merus, basis-ischium, ventral view; B, D, right cheliped carpus, merus, basis-ischium, dorsal view; E, F, right cheliped carpus, dorsal view. Scale bars: A, B, C, D = 9.5 mm; E, F = 4.8 mm.	FIGURE 8. A, B, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; C, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, right cheliped merus, basis-ischium, ventral view; B, D, right cheliped carpus, merus, basis-ischium, dorsal view; E, F, right cheliped carpus, dorsal view. Scale bars: A, B, C, D = 9.5 mm; E, F = 4.8 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168574/files/figure.png	https://doi.org/10.5281/zenodo.19168574	FIGURE 9. A–C, G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; D–F, H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, D, left third maxilliped, external view; B, E, left mandible, frontal view; C, left mandible turned to show mandibular palp with short ridge along superior margin of terminal article; F, left mandible turned to show mandibular palp with short hardened ridge along superior margin of terminal article; G, left G2, ventral view; H, left G2, dorsal view. Scale bars: A, G = 4.8 mm; CB, H = 3.8 mm; C, E, F = 1.9; D = 5.4 mm.	FIGURE 9. A–C, G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; D–F, H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, D, left third maxilliped, external view; B, E, left mandible, frontal view; C, left mandible turned to show mandibular palp with short ridge along superior margin of terminal article; F, left mandible turned to show mandibular palp with short hardened ridge along superior margin of terminal article; G, left G2, ventral view; H, left G2, dorsal view. Scale bars: A, G = 4.8 mm; CB, H = 3.8 mm; C, E, F = 1.9; D = 5.4 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14DDA082ABCFF535EB75368.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168576/files/figure.png	https://doi.org/10.5281/zenodo.19168576	FIGURE 10. A, B, E–G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; C, D, H, I, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, left G1, ventral view; B, D, left G1, dorsal view; E, left G1, superior view of terminal article (G1TA); F, left G1, turned to show detail of dorsal membrane and terminal article (G1TA); G, left G1, superior view turned to show detail of terminal article (G1TA); H, left G1, dorsal view showing detail of dorsal membrane and terminal article (G1TA); I, left G1, ventral view showing detail of terminal article (G1TA). Scale bars:A, B = 4.8 mm; C, D = 3.8 mm; E, F = 1.9; G, H, I = 12.7 mm.	FIGURE 10. A, B, E–G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; C, D, H, I, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, left G1, ventral view; B, D, left G1, dorsal view; E, left G1, superior view of terminal article (G1TA); F, left G1, turned to show detail of dorsal membrane and terminal article (G1TA); G, left G1, superior view turned to show detail of terminal article (G1TA); H, left G1, dorsal view showing detail of dorsal membrane and terminal article (G1TA); I, left G1, ventral view showing detail of terminal article (G1TA). Scale bars:A, B = 4.8 mm; C, D = 3.8 mm; E, F = 1.9; G, H, I = 12.7 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168549/files/figure.png	https://doi.org/10.5281/zenodo.19168549	FIGURE 2. Map showing the updated geographic distribution of Arcopotamonautes platycentron (Hilgendorf, 1897) in East Africa. Scale bar = 5.4 km. See text for exact localities.	FIGURE 2. Map showing the updated geographic distribution of Arcopotamonautes platycentron (Hilgendorf, 1897) in East Africa. Scale bar = 5.4 km. See text for exact localities.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168553/files/figure.png	https://doi.org/10.5281/zenodo.19168553	FIGURE 3. Dorsal view of overall habitus. A, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; B, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), Lake Chala, near Taveta, Kenya. Scale bars: A = 22.2 mm; B = 16.9 mm.	FIGURE 3. Dorsal view of overall habitus. A, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; B, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), Lake Chala, near Taveta, Kenya. Scale bars: A = 22.2 mm; B = 16.9 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168557/files/figure.png	https://doi.org/10.5281/zenodo.19168557	FIGURE 4. A–C, Arcopotamonautes johnstoni (Miers, 1885) holotype male (CW 46.0 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; D, Arcopotamonautes platycentron (Hilgendorf, 1897) adult male (CW 50.0 mm) Lake Chala, Tanzania (NHM 2002.910-911). A, cephalothorax, frontal view; B, carapace, dorsal view; C, cephalothorax showing thoracic sternum, ventral view; D, whole animal, dorsal view. Scale bars: A = 6.8 mm; B, C = 14.6 mm; D = 16.1 mm.	FIGURE 4. A–C, Arcopotamonautes johnstoni (Miers, 1885) holotype male (CW 46.0 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; D, Arcopotamonautes platycentron (Hilgendorf, 1897) adult male (CW 50.0 mm) Lake Chala, Tanzania (NHM 2002.910-911). A, cephalothorax, frontal view; B, carapace, dorsal view; C, cephalothorax showing thoracic sternum, ventral view; D, whole animal, dorsal view. Scale bars: A = 6.8 mm; B, C = 14.6 mm; D = 16.1 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168563/files/figure.png	https://doi.org/10.5281/zenodo.19168563	FIGURE 6. A, C, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; B, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, B, carapace turned to show branchiostegite; C, D, P3, detail of carpus, propodus and dactylus; E, F, P5, detail of merus, carpus, propodus and dactylus. Scale bars: A = 9.5 mm; B = 6.3 mm; C = 7.6 mm; D, E, F = 12.7 mm.	FIGURE 6. A, C, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; B, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, B, carapace turned to show branchiostegite; C, D, P3, detail of carpus, propodus and dactylus; E, F, P5, detail of merus, carpus, propodus and dactylus. Scale bars: A = 9.5 mm; B = 6.3 mm; C = 7.6 mm; D, E, F = 12.7 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168567/files/figure.png	https://doi.org/10.5281/zenodo.19168567	FIGURE 7. A–F, Arcopotamonautes johnstoni (Miers, 1885), A, B, holotype male (CW 54.5 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; C, D, adult male (CW 71.6 mm) (NMU 1966.05); E, F, adult female (CW 84.1 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; G–H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, near Taveta, Kenya. A, C, E, G, frontal view of right chela; B, D, F, H, frontal view of left chela. Scale bars: A, B = 8.0 mm; C, D = 11.1 mm; E, F = 8.2 mm; G, H = 12.7 mm.	FIGURE 7. A–F, Arcopotamonautes johnstoni (Miers, 1885), A, B, holotype male (CW 54.5 mm) (NHM 1885.2), Mt. Kilimanjaro, Tanzania; C, D, adult male (CW 71.6 mm) (NMU 1966.05); E, F, adult female (CW 84.1 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; G–H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, near Taveta, Kenya. A, C, E, G, frontal view of right chela; B, D, F, H, frontal view of left chela. Scale bars: A, B = 8.0 mm; C, D = 11.1 mm; E, F = 8.2 mm; G, H = 12.7 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168569/files/figure.png	https://doi.org/10.5281/zenodo.19168569	FIGURE 8. A, B, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; C, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, right cheliped merus, basis-ischium, ventral view; B, D, right cheliped carpus, merus, basis-ischium, dorsal view; E, F, right cheliped carpus, dorsal view. Scale bars: A, B, C, D = 9.5 mm; E, F = 4.8 mm.	FIGURE 8. A, B, E, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; C, D, F, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, right cheliped merus, basis-ischium, ventral view; B, D, right cheliped carpus, merus, basis-ischium, dorsal view; E, F, right cheliped carpus, dorsal view. Scale bars: A, B, C, D = 9.5 mm; E, F = 4.8 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168574/files/figure.png	https://doi.org/10.5281/zenodo.19168574	FIGURE 9. A–C, G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; D–F, H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, D, left third maxilliped, external view; B, E, left mandible, frontal view; C, left mandible turned to show mandibular palp with short ridge along superior margin of terminal article; F, left mandible turned to show mandibular palp with short hardened ridge along superior margin of terminal article; G, left G2, ventral view; H, left G2, dorsal view. Scale bars: A, G = 4.8 mm; CB, H = 3.8 mm; C, E, F = 1.9; D = 5.4 mm.	FIGURE 9. A–C, G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from West Usambara Mountains, Tanzania; D–F, H, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, D, left third maxilliped, external view; B, E, left mandible, frontal view; C, left mandible turned to show mandibular palp with short ridge along superior margin of terminal article; F, left mandible turned to show mandibular palp with short hardened ridge along superior margin of terminal article; G, left G2, ventral view; H, left G2, dorsal view. Scale bars: A, G = 4.8 mm; CB, H = 3.8 mm; C, E, F = 1.9; D = 5.4 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168576/files/figure.png	https://doi.org/10.5281/zenodo.19168576	FIGURE 10. A, B, E–G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; C, D, H, I, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, left G1, ventral view; B, D, left G1, dorsal view; E, left G1, superior view of terminal article (G1TA); F, left G1, turned to show detail of dorsal membrane and terminal article (G1TA); G, left G1, superior view turned to show detail of terminal article (G1TA); H, left G1, dorsal view showing detail of dorsal membrane and terminal article (G1TA); I, left G1, ventral view showing detail of terminal article (G1TA). Scale bars:A, B = 4.8 mm; C, D = 3.8 mm; E, F = 1.9; G, H, I = 12.7 mm.	FIGURE 10. A, B, E–G, Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania; C, D, H, I, Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, Kenya. A, C, left G1, ventral view; B, D, left G1, dorsal view; E, left G1, superior view of terminal article (G1TA); F, left G1, turned to show detail of dorsal membrane and terminal article (G1TA); G, left G1, superior view turned to show detail of terminal article (G1TA); H, left G1, dorsal view showing detail of dorsal membrane and terminal article (G1TA); I, left G1, ventral view showing detail of terminal article (G1TA). Scale bars:A, B = 4.8 mm; C, D = 3.8 mm; E, F = 1.9; G, H, I = 12.7 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168580/files/figure.png	https://doi.org/10.5281/zenodo.19168580	FIGURE 11. Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, near Taveta, Kenya. A, carapace, dorsal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, carapace, frontal view. Scale bars: A = 7.2 mm; B, C = 13.8 mm; D = 6.7 mm.	FIGURE 11. Arcopotamonautes platycentron (Hilgendorf, 1897) subadult male (CW 51.7 mm) (NMU TRW1971.12), from Lake Chala, near Taveta, Kenya. A, carapace, dorsal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, carapace, frontal view. Scale bars: A = 7.2 mm; B, C = 13.8 mm; D = 6.7 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168545/files/figure.png	https://doi.org/10.5281/zenodo.19168545	FIGURE 1. Map showing the updated geographic distribution of Arcopotamonautes johnstoni (Miers, 1885) in East Africa. Scale bar = 88 km. See text for exact localities.	FIGURE 1. Map showing the updated geographic distribution of Arcopotamonautes johnstoni (Miers, 1885) in East Africa. Scale bar = 88 km. See text for exact localities.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
03FB87DFD14BDA1C2ABCFC4459B55408.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19168561/files/figure.png	https://doi.org/10.5281/zenodo.19168561	FIGURE 5. Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania. A, carapace, dorsal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, carapace, frontal view. Scale bars: A = 10.4 mm; B, C = 21.6 mm; D = 9.9 mm.	FIGURE 5. Arcopotamonautes johnstoni (Miers, 1885) adult male (CW 71.6 mm) (NMU 1966.05), from Garaya River, West Usambara Mountains, Tanzania. A, carapace, dorsal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, carapace, frontal view. Scale bars: A = 10.4 mm; B, C = 21.6 mm; D = 9.9 mm.	2026-01-14	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor		Zenodo	biologists	Cumberlidge, Neil;Daniels, Savel R.;Kipyegon, John K.;Galaszewski, Taylor			
