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Figure 13 in The spider Losdolobus nelsoni Pompozzi, 2015 - the first report of the family Orsolobidae in Uruguay (Araneae: Synspermiata)

Figure 13. Geographic distribution of the genus Losdolobus Platnick and Brescovit, 1994 (Orsolobidae). The shaded background areas refer to the Terrestrial Ecoregions of the World (TEOW) (Olson et al. 2001).

Figures 6–12. Losdolobus nelsoni Pompozzi, 2015 in The spider Losdolobus nelsoni Pompozzi, 2015 - the first report of the family Orsolobidae in Uruguay (Araneae: Synspermiata)

Figures 6–12. Losdolobus nelsoni Pompozzi, 2015; adult male (6–9) and female (10–12) (FCE-Ar 9212): 6) habitus, dorsal view; 7) same, ventral view; 8) left male palp, ectal view (bulb is rotated); 9) same, mesal view; 10) habitus, dorsal view; 11) habitus, ventral view; and 12) epigynum, ventral view. Scale bars: 6, 7, 10, 11 = 01 mm; 8, 9 = 0.25 mm; and 12 = 0.5 mm.

Figures 1–2 in The spider Losdolobus nelsoni Pompozzi, 2015 - the first report of the family Orsolobidae in Uruguay (Araneae: Synspermiata)

Figures 1–2. Habitat: 1) Rocha, near Lechiguana hill, (34°5′26.80″S, 53°52′14.40″W); 2) same locality, detail of the microhabitat, dried leaves of Eryngium horridum Malme.

Figures 4–5. Losdolobus nelsoni Pompozzi, 2015 in The spider Losdolobus nelsoni Pompozzi, 2015 - the first report of the family Orsolobidae in Uruguay (Araneae: Synspermiata)

Figures 4–5. Losdolobus nelsoni Pompozzi, 2015; live specimens: 4) male (FCE-Ar 9213); 5) immature (FCE-Ar 9212).

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Linked collectors and determiners for: The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae).

Natural history specimen data linked to collectors and determiners held within, "The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/2b7bf048-65d5-4814-bbdb-59d53d15b00e">https://bionomia.net/dataset/2b7bf048-65d5-4814-bbdb-59d53d15b00e</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/2b7bf048-65d5-4814-bbdb-59d53d15b00e">https://gbif.org/dataset/2b7bf048-65d5-4814-bbdb-59d53d15b00e</a>. Formatted as a Frictionless Data package.

FIGURE 6A–E in Two new species of the armored spider genus Tetrablemma O. P. - Cambridge, 1873 from northern South America (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 6A–E. Tetrablemma mochima sp. nov. A–E. Male holotype (MNRJ 18419) habitus: A. Dorsal view, B. Lateral view, C. Ventral view, D–E. left palp: D. Prolateral view, E. Retrolateral view: A–C=0.5 mm; D–E=100 µm. Abbreviations: E, embolus; EBP, embolus base process; SD, spermatic ducts.

FIGURE 5A–G in Two new species of the armored spider genus Tetrablemma O. P. - Cambridge, 1873 from northern South America (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 5A–G. Tetrablemma tatacoa sp. nov. Female paratype (ICN-Ar-12269): A. Carapace frontal view (arrow indicates the anterior projections), B. Chelicerae frontal view, C. Carapace ventral view, D. Details of the endites and labium, E. Abdomen ventrolateral view (arrow indicates the genital orifice), F. Anal scutum and spinnerets, G. Details of the tarsal claws. Abbreviations: MaAm, major ampullate gland spigot; pi, piriform gland spigot. Scale: A=200 µm; B=100 µm; C=250 µm; D=100 µm; E=250 µm; F=25 µm; G=10 µm.

FIGURE 4A–F in Two new species of the armored spider genus Tetrablemma O. P. - Cambridge, 1873 from northern South America (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 4A–F. Tetrablemma tatacoa sp. nov. Male paratype (ICN-Ar-12268): A. Details of the abdominal scuta, B. Epiandric area, C. Palp ventral view, D. Details of the embolus and processes (process of the base of the embolus in green, embolus in blue, and embolic process in orange). E. Tarsus of leg I, F. Details of the tarsal claws. Scale: A=100 µm; B=50 µm; C=150 µm; D=25 µm; E= 50µm; F=10µm.

FIGURE 3A–D in Two new species of the armored spider genus Tetrablemma O. P. - Cambridge, 1873 from northern South America (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 3A–D. Tetrablemma tatacoa sp. nov. Male paratype (ICN-Ar-12268): A. Carapace frontal view, B. Chelicerae frontal view, C. Abdomen ventral view, D. Anal scutum and spinnerets. Scale: A=200 µm; B=50 µm; C=250 µm; D=25 µm.

FIGURE 2A–E in Two new species of the armored spider genus Tetrablemma O. P. - Cambridge, 1873 from northern South America (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 2A–E. Tetrablemma tatacoa sp. nov. A–C. Male holotype (ICN-Ar-12266) palp: A. Retrolateral view, B. Prolateral view, D–F. Female paratype (ICN-Ar-12267) with abdomen and genital area clarified: C. Ventral view, D. Same, complete, E. Dorsal view. Scale: A–B=100 µm; C=50 µm; D–E=300 µm. Abbreviations: A, anal plate; CP, central process; E, embolus; EBP, embolus base process; EP, epigynal pit; IVP, inner vulval plate; L, lateral plate; LH, lateral horns; P, pulmonary plate; PA, preanal plate; PG, postgenital plate; SD, spermatic ducts; SR, seminal receptaculum; VD, vulval duct; VS, vulval stem.

FIGURE 83 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURE 83. Distribution map of Aamunops species. Black square, A. chimpa sp. n.; white square, A. noono sp. n.; black star, A. misi sp. n.; white star, A. olmeca sp. n.; triangle, O. confuse sp. n..

FIGURE 82 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURE 82. Strict consensus of the 82 most parsimonious trees under Implied Weights (k = 1 to 4) (L = 120, CI = 42, RI = 71). Only synapomorphies common to all cladograms are mapped with characters on the top and states below. Numbers below nodes are the supporting values (Jackknife / Bremer). Jackknife values below 60% and Bremer values ≤ 0.04 were omitted.

FIGURE 81 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURE 81. Strict consensus of the 24 most parsimonious trees under Equal Weights (L = 115, CI = 48, RI = 77). Only synapomorphies common to all cladograms are mapped with characters on the top and states below. Numbers below nodes are the supporting values (Jackknife / Bremer). Jackknife values below 60% and Bremer values ≤ 2 were omitted.

FIGURES 77–80 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURES 77–80. Orthonops confuso sp. n., male. 77, leg I prolateral view; 78, leg II prolateral view; 79, claws prolateral view; 80, pedipalp prolateral view. Scale bars: = 0.1 mm (Figs. 77, 78, 80), 0.05 mm (Fig. 79).

FIGURES 57–64 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURES 57–64. Aamunops noono sp. n., male. 57, habitus dorsal view; 58, same lateral view; 59, same ventral view; 60, prosoma anterior; 61, prosoma ventral; 62, pedipalp prolateral view; 63 same ventral view; 64, same retrolateral view. Scale bars: = 1.0 mm (Figs. 57–59), 0.5 mm (Fig. 60), 0.2 mm (Figs. 61–64).

FIGURES 70–76 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURES 70–76. Orthonops confuso sp. n., male. 70, habitus dorsal view; 71, same lateral view; 72, same ventral view; 73, prosoma anterior; 74, prosoma ventral; 75, pedipalp prolateral view; 76 same anterior view. Scale bars: = 1.0 mm (Figs. 57–59), 0.5 mm (Fig. 60), 0.2 mm (Figs. 61–64).

FIGURES 44–49 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURES 44–49. Aamunops misi sp. n., 44–46, male; 47–49, female. 44, pedipalp prolateral view; 45, same ventral view; 46, same retrolateral view; 47, epigynum ventral view; 48, same dorsal view (digested); 49, same dorsal view (cleared). Scale bars: = 0.2 mm (Figs. 44–48), 0.1 mm (Fig. 49). Abbreviations: go, genital opening; ps, posterior spiracle; r, receptaculum; trp, transverse rigid plate. Arrow to small projections of the posterior invagination.

FIGURES 19–24 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURES 19–24. Aamunops chimpa sp. n., 19–23, male; 24, female. 1, habitus dorsal view; 2, same lateral view; 3, same ventral view; 4, prosoma anterior; 5, prosoma ventral; 6, spinnerets ventral view. Scale bars: = 1.0 mm (Figs. 19–21), 0.5 mm (Figs. 22–23), 0.2 mm (Fig. 24).

FIGURES 38–43 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURES 38–43. Aamunops misi sp. n., 38–42, male; 43, female. 38, habitus dorsal view; 39, same lateral view; 40, same ventral view; 41, prosoma anterior; 42, prosoma ventral (arrow to precoxal triangles); 43, spinnerets ventral view. Scale bars: = 1.0 mm (Figs. 38–40), 0.5 mm (Fig. 42), 0.2 mm (Figs. 41, 43).

FIGURES 12–18 in A new genus of caponiid spiders with its phylogenetic placement within Nopinae and the description of a new species of Orthonops Chamberlin, 1924 from Eastern Mexico (Araneae: Synspermiata, Caponiidae)

FIGURES 12–18. Aamunops olmeca sp. n., 12, 13, 16, 17, male; 14, 15, 18, female. 12, leg I prolateral view (arrow to metatarsal stopper); 13, leg II prolateral view; 14, leg I prolateral view; 15, epigynum dorsal view; 16, embolus tip prolateral view; 17, pedipalp prolateral view; 18, claws prolateral view. Scale bars: = 0.2 mm (Figs. 12–15), 0.1 mm (Figs. 16–18). Abbreviations: am, anterior margin; cr, crista; gl, gladius; hp, hyaline process; mp, median projection; pi, posterior invagination; r, receptaculum; trp, transverse rigid plate.