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Figure 7; Eriauchenius rangita sp. n. A male (CASENT9018159) habitus, lateral view B, L female (CASENT9018159) internal genitalia B dorsal view L posterior view, arrow showing membranous projection on bursa D–F, J–K male right pedipalpal bulb (CASENT9018251) image reversed G–I left pedipalpal bulb (CASENT9018159) C median apophysis variation, apical view (CASENT9018159 & CASENT9010053, holotype) D, G prolateral view E, H ventral view F, I retrolateral view J close up, prolateral view K close-up, ventral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 8; Eriauchenius workmani Pickard-Cambridge, 1881. A male (CASENT9010050) habitus, lateral view B female (CASENT9010045) internal genitalia, dorsal view D–F, L male right pedipalpal bulb (CASENT9010058) image reversed G–I left pedipalpal bulb (CASENT9003490) J–K left pedipalpal bulb (CASENT9010056) C median apophysis variation, apical view D, G, J prolateral view E, H, K ventral view, arrow showing the large bump on the anterior side F, I retrolateral view K close-up, ventral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 15; Eriauchenius mahariraensis (Lotz, 2003). A male (USNMENT01377173) habitus, lateral view, image reversed B–C female (holotype, MCZ) internal genitalia B dorsal view C anterior view, arrow showing the small sclerotized piece next to the poreplates D–K male pedipalpal bulbs (USNMENT01377173) D–F right bulb, image reversed G–L left bulb: D, G, J prolateral view E, H, K ventral view F, I, L retrolateral view. Scale bars: 1 mm (A); 0.125 mm (B, D).
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Figure 3; Eriauchenius andriamanelo sp. n. A male (CASENT9004508) habitus, lateral view. B, L female (CASENT9003265) internal genitalia, arrow showing sclerotized T-shaped projection: B dorsal view L posterior view D–F male right pedipalpal bulb (CASENT9010070), image reversed C, G–I left pedipalpal bulb (CASENT9017991) J–K left pedipalpal bulb (CASENT9002367) C median apophysis, apical view D, G, J prolateral view E, H, K ventral view F, I retrolateral view K arrows showing the two portions of the divided conductor tip. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 17; Eriauchenius milloti sp. n. A male (USNMENT01377189) habitus, lateral view B–C female (USNMENT01377189) internal genitalia B dorsal view C anterior view D–I male pedipalpal bulbs D–F right bulb, image reversed, (USNMENT01377189) G–I left bulb (USNMENT01377189) J–K left bulb (CASENT9015862) D, G, J prolateral view E, H, K ventral view F, I, L retrolateral view. Asterisk (*) showing the narrow, small process on the conductor. Arrow showing constriction in the conductor. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 14; Eriauchenius lukemacaulayi sp. n. A female (USNMENT01377191) habitus, lateral view, image reversed B–C, F female internal genitalia (USNMENT01377192) B posterior view C anterior view F dorsal view, arrow showing the rounded posterior elongation on the FSGP that curves dorsally. D–E, G–I male pedipalpal bulbs (holotype, USNMENT01377191), right bulb, image reversed D, G prolateral view E, I retrolateral view H ventral view, arrow showing the large bulge that occurs after the constriction in the conductor. Asterisk (*) showing the narrow, lateral process on the conductor. Scale bars: 1 mm (A); 0.25 mm (B); 0.5 mm (D).
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Figure 10; Eriauchenius goodmani sp. n. A male (holotype, Field Museum) habitus, lateral view B–C female (Field Museum) genitalia B dorsal view C ventral view D–F male left pedipalpal bulb (holotype, Field Museum) D prolateral view E ventral view F retrolateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 21; Eriauchenius sama sp. n. A male (holotype, CASENT9012014) habitus, lateral view, image reversed B–C female (CASENT9012341) internal genitalia: B dorsal view C anterior view D–L male pedipalpal bulbs (holotype, CASENT9012014), arrow showing the change in direction in the curve of the conductor tip D–F right bulb, image reversed G–L left bulb D, G, J prolateral view E, H, K ventral view F, I, L retrolateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 12; Eriauchenius wunderlichi sp. n. A female (CASENT9062648) habitus, lateral view, image reversed B–C female (CASENT9062648) genitalia B dorsal view, arrow showing the large bulge on the posterior bar C ventral view D–F male left pedipalpal bulb (holotype, CASENT9062702) D prolateral view E ventral view F retrolateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 19; Eriauchenius ratsirarsoni Lotz, 2003. A male (USNMENT01377174) habitus, lateral view, image reversed B–C female (CASENT9028378) internal genitalia B posterior-dorsal view, arrows showing the lateral bulges on the FSGP C anterior view D–L male pedipalpal bulbs D–F right bulb (USNMENT01377174), image reversed G–J left bulb (USNMENT01377174) K–L left bulb (CASENT9062876) D, G, J prolateral view E, H, K ventral view F, I, L retrolateral view J arrow showing conductor variation, with a tapering tip K, L arrow showing conductor with a blunt tip. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 11; Eriauchenius harveyi sp. n. A male (holotype, CASENT9012110) habitus, lateral view, image reversed B–C female (CASENT9012342) genitalia B dorsal view C ventral view D–K male pedipalpal bulbs (CASENT9012109) D–F right bulb, image reversed G–K left bulb D, G, J prolateral view E, H, K ventral view F, I retrolateral view L male (CASENT9012109), arrow showing the long cheliceral seta that projects perpendicularly from the chelieral cuticle, lateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 16; Eriauchenius milajaneae sp. n. A female (holotype, CASENT9009881) habitus, lateral view B–C female (holotype, CASENT9009881) internal genitalia: B dorsal view, arrow showing broad, rectangular, posterior elongation on the FSGP C anterior view. Scale bars: 1 mm (A); 0.25 mm (B).
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Figure 6; Eriauchenius ranavalona sp. n. A male (holotype, CASENT9010047) habitus, lateral view, image reversed B female (USNMENT01377248) internal genitalia, dorsal view C–D abdomen, showing color pattern (USNMENT01377246) C lateral view D posterior view E–G male right pedipalpal bulb (holotype, CASENT9010047), image reversed H–J left pedipalpal bulb (CASENT9010042) E, H prolateral view F, I ventral view G, J retrolateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 20; Eriauchenius rixi sp. n. A male (holotype, CASENT9012013) habitus, lateral view, image reversed B–C female (CASENT9012346) internal genitalia B dorsal view, arrow showing the FSGP narrow posterior elongation C anterior view D–L male pedipalpal bulbs (holotype, CASENT9012013) D–F right bulb, image reversed G–L left bulb, arrow showing the sharp process on the tegulum base D, G, J prolateral view E, H, K ventral view F, I, L retrolateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 22; Eriauchenius zirafy sp. n. A male (CASENT9015571) habitus, lateral view B–C female (USNMENT01377190) internal genitalia B dorsal view C anterior view, arrows showing two sclerotized invaginations on the bursa D–L male pedipalpal bulbs (CASENT9015571), black arrow showing the small bumps on the conductor base D–F, L right bulb, image reversed G–K left bulb: D, G, J prolateral view E, H ventral view F, I, K retrolateral view L close-up of small bumps on conductor base, retrolateral view, white arrow showing small pores. Scale bars: 1 mm (A); 0.125 mm (B); 0.25 mm (E).
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Figure 13; Eriauchenius bourgini (Millot, 1948). A female (CASENT9001207) habitus, lateral view, image reversed B–C female (CASENT9001207) internal genitalia B dorsal view C anterior view, arrows showing two sclerotized invaginations on the bursa D–K male pedipalpal bulbs (CASENT9001207), D–F, K right bulb, image reversed G–J left bulb D, G, J prolateral view E, H ventral view F, I retrolateral view K apical view L coxae I male (CASENT9001207), ventral view, arrows showing the pointed extensions on coxae I. Scale bars: 1 mm (A); 0.125 mm (B); 0.25 mm (D).
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Figure 9; Eriauchenius fisheri (Lotz, 2003). A male (CASENT9018939) habitus, lateral view, image reversed B–C female (holotype, CASENT9012340) internal genitalia B dorsal view C anterior view D–L male pedipalpal bulbs (CASENT9018939) D–F, L right bulb, image reversed G–K left bulb D, G, J prolateral view E, H, K ventral view F, I retrolateral view K close-up, ventral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 18; Eriauchenius pauliani (Legendre, 1970), holotype, MNHN. A–B male A habitus, lateral view, image reversed B anterior view C–H male left pedipalpal bulb C, F prolateral view D, G ventral view, arrow showing the broken tip of the embolus in the left pedipalp E, H retrolateral view I male right pedipalpal bulb, embolus tip close-up showing the unbroken embolus, image reversed. Scale bars: 1 mm (A); 0.25 mm (C).
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Figure 4; Eriauchenius andrianampoinimerina sp. n. A female (CASENT9018902) habitus, lateral view, image reversed B female (CASENT9015417) internal genitalia, dorsal view C–F male right pedipalpal bulb (CASENT9015371), image reversed G–I left pedipalpal bulb (CASENT9015518) C median apophysis close-up, apical view D, G prolateral view H, K ventral view I, L retrolateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 5; Eriauchenius rafohy sp. n. A male (CASENT9015039) habitus, lateral view, image reversed B female (CASENT9006503) internal genitalia, dorsal view D–F, L male right pedipalpal bulb (CASENT9004087), image reversed G–K left pedipalpal bulb (CASENT9015039) C median apophysis variation, apical view (CASENT9004087 & CASENT9015039) D, G, J prolateral view E, H, K ventral view F, I retrolateral view L close-up, ventral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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Figure 24; Eriauchenius legendrei (Platnick, 1991). A male (USNMENT01377217) habitus, lateral view B female (CASENT9012333) internal genitalia, dorsal view. C–I male pedipalpal bulbs D–F left bulb (CASENT9012333) C left bulb (CASENT9010074) G–I left bulb (USNMENT01377217): C cymbium close-up, dorsal view, arrow showing the small retrolateral cymbium protrusion that lacks setae D, G prolateral view E, H ventral view F, I retrolateral view. Scale bars: 1 mm (A); 0.25 mm (B, D).