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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: The phylogeny of fossil whip spiders

Fig. 1

Guide to the morphology of Amblypygids, and terminology used herein. a Gross morphology of the extant amblypygid Damon sp.—a species typically 24–35 mm in length when fully grown—as seen in dorsal view; drawn from an unnumbered specimen in the Museum für Naturkunde, Berlin. b The chelicera of Paracharon caecus in lateral view, a species with four cheliceral teeth; scale bar equals 0.5 mm (redrawn from ref [34], Figure 1). c The chelicera of Charon grayi with three cheliceral teeth, the distalmost bicuspate; scale bar equals 1 mm (redrawn from ref [34], Figure 3). d Paracharon caecus palp in dorsal view, with only two patellar spines; scale bar equals 1 mm (redrawn from ref [34], Figure 12). e Pedipalp of Charon grayi which has three palpal spines forming a catching basket; scale bar equals 2 mm (redrawn from ref [34], Figure 15). f Ventral left trochanter of Charinus montanus palp, showing a prominent anterior ventral apophysis; scale bar equals 0.5 mm (redrawn from ref [34], Figure 7). g Damon variegatus ventral left palp trochanter, ventral anterior apophysis reduced to a spine; scale bar equals 0.5 mm (redrawn from ref [34], Figure 8). Abbreviations: 1–4—legs 1–4; Ap—apotele; Bt—basitarsus; Bti—basitibia; Ch—chelicerae; Dt—distitarsus; Dti—distitibia; Fe—femur; Pa—patella; Pp—pedipalps; S1-3—spines 1–3, numbers proximally to distally; T1-4—cheliceral teeth 1–4 numbered from ventral to dorsal; Ta—tarsus; Ti—tibia; Tr—trochanter; Va—palpal ventral anterior apophysis; Vs—palpal ventral anterior spine

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