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FIGURES 41–44 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 41–44. Thaumastocephalus sp., male from Croatia. Dorsal habitus (41), head in dorsal view (42), prothorax and elytral base in dorsal view (43), anterior body region in lateral view (44).

FIGURES 39–40 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 39–40. Percussiopalpus inusitatus sp. n. Habitat in Balıkesir Province in Turkey. Collecting site in Erdemit, 202 m, 40°27.610"N, 27°54.605" (39); collecting site in Erdek, Kirazlı Manastırı road, 358 m, 40°26.742"N, 27°54.182" (40).

FIGURES 31–38 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 31–38. Percussiopalpus inusitatus sp. n. Protarsus in ventral (31) and lateral (32) views, metatarsus in lateral view (33), aedeagus in abparameral (34, 36), parameral (37) and lateral (35, 38) views. Abbreviations: pr, paramere; t1‒3, tarsomere 1‒3.

FIGURES 19–23 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 19–23. Percussiopalpus inusitatus sp. n. Pterothorax in ventral (19, 20) and left lateral (22, 23) views, anterior region of mesoventrite in ventral view (21). Abbreviations: amtvp, anterior metaventral process; cx3, metacoxa; lfa, lateral furcal arm; mscxc, mesocoxal cavity; msff, mesofurcal fovea; msvp, mesoventral process; mtvp, metaventral process; pp, prepectus; v2‒3, meso- and metaventrite. Arrowheads indicate ventral foveae.

FIGURES 14–18 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 14–18. Percussiopalpus inusitatus sp. n. Prothorax in dorsal (14), ventral (15, 16), and left lateral (17, 18) views. Abbreviations: bst, basisternal region of prosternum; fs, furcasternal region of prosternum; hg, hypomeral groove; hy, hypomeron; hyr, hypomeral ridge; laf, lateral fovea; lls, lateral longitudinal sulcus; maf, median antebasal fovea; mls, median longitudinal sulcus. Arrowheads indicate ventral foveae.

FIGURES 8–13 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 8–13. Percussiopalpus inusitatus sp. n. Right antenna in dorsal view (8, 9), anteromedian region of head in ventral view (10), mandibles and labrum in ventral view (11), left maxillary palp in ventral view (12), distal region of sensory process of maxillary palpomere 3 in ventral view (13). Abbreviations: bst, basistipes; cd, cardo; gal, galea; hr, hypostomal ridge; lr, labrum; lp1‒2, labial palpomere 1‒2; md, mandible; mn, mentum; mst, mediostipes; mxp1‒4, maxillary palpomere 1‒4; pd, pedicel; pls, peg-like sensillum; ptp, posterior tentorial pit; sa, sensory appendage; sc, scape; smb, submental bulge; sp, sensory process.

FIGURES 24–30 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 24–30. Percussiopalpus inusitatus sp. n. Pterothorax and abdomen in dorsal view (24), elytral base in dorsal view (25), abdomen in ventral view (26), base of abdomen in ventral (27) and dorsal (28) views, abdomen in anterior view (29), abdominal apex of male in ventral view (30). Abbreviations: bef, basal elytral fovea; ds, discal stria; hd, humeral denticle; sc2+scl2, mesoscutum + mesoscutellum; ss, sutural stria; stIII‒IX, sternite III‒IX; tIII‒VII, tergite IV‒VII. Arrowheads indicate foveae.

FIGURES 3–7 in Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae)

FIGURES 3–7. Percussiopalpus inusitatus sp. n. Head in dorsal (3), lateral (4, 6), and ventral (5, 7) views. Abbreviations: ce, compound eye; fs, frontal sulcus; gal, galea; gp, gular plate; lr, labrum; md, mandible; mxp, maxillary palp; ptp, posterior tentorial pit; smb, submental bulge; t, tentorium.

FIGURE 4. Madagascarhinus andasibensis n. gen., n in Madagascarhinus, a new genus of the family Siphonorhinidae with two new species from Madagascar (Diplopoda, Siphonophorida)

FIGURE 4. Madagascarhinus andasibensis n. gen., n. sp., ♁ holotype (ZFMK MYR12534), SEM. A. Head and first segments, lateral view. B. Head, ventral view. C. Head, anterior view. D. Left antenna, lateral view. E. Left antenna, view on disc. F. Mouth opening, distal view. G. Gnathochilarium, ventral view. H. Distal part of gnathochilarium. Abbreviations: I–VII = antennomeres, ac = apical cones, cl = claw, ep = epicranium, fh = forehead, ge = genae, L1 = leg 1, La = labrum, LL = lamella lingualis, md = mandible?, Me = mentum, mz = metazonite, pa = palp-like structure, pl = pleurite, pz = prozonite, sb = sensilla basiconica, ssb = spiniform sensilla, st = sternite, St = gnathochilarial stipes, ta = tarsus, ti = tibia.

FIGURE 5. Madagascarhinus andasibensis n. gen., n in Madagascarhinus, a new genus of the family Siphonorhinidae with two new species from Madagascar (Diplopoda, Siphonophorida)

FIGURE 5. Madagascarhinus andasibensis n. gen., n. sp., ♁ holotype (ZFMK MYR12218), SEM. A. Mid-body segments, lateral view. B. Ozopore. C. Mid-body-rings, dorsal view. D. Mid-body-rings, ventral view. E. Mid-body leg, anterior view. Abbreviations: cl = claw, cs = coxal sac, cx = coxa, fe = femur, mz = metazonite, oz = ozopore, pl = pleurite, pof = postfemur, prf = prefemur, pz = prozonite, st = sternite, ta = tarsus, ti = tibia, tr = trochanter.

FIGURE 7. Madagascarhinus andasibensis n. gen., n in Madagascarhinus, a new genus of the family Siphonorhinidae with two new species from Madagascar (Diplopoda, Siphonophorida)

FIGURE 7. Madagascarhinus andasibensis n. gen., n. sp., ♁ holotype (ZFMK MYR12218), SEM. A. Anterior and posterior gonopods, lateral and mesal view. B. Anterior gonopods and tips of posterior gonopods, ventral view. C. Anterior and posterior gonopods, latero-ventral and meso-ventral view. D. Anterior gonopods, apical view. Abbreviations: a1–a7 = podomeres of the anterior gonopod, cl = claw, cx = coxa, f1 = pointed process of the posterior gonopods' apical podomere, f2 & f3 = paddle shaped processes of the posterior gonopods' apical podomere, p1–p7 = podomeres of the posterior gonopod, st = sternite.

FIGURE 3. Madagascarhinus madagascariensis n. gen., n in Madagascarhinus, a new genus of the family Siphonorhinidae with two new species from Madagascar (Diplopoda, Siphonophorida)

FIGURE 3. Madagascarhinus madagascariensis n. gen., n. sp., ♁ paratype (ZFMK MYR12534), SEM. A. Legs 1 and 2, anterior view. B. Left leg 2 with male gonopore, posterior view. C. Left midbody leg, anterior view. D. Left anterior gonopod, ventral view. E. Left anterior gonopod, posterior-lateral view. F. Posterior gonopods, posterior view. G. Posterior gonopods, anterio-lateral view. Abbreviations: a1–a7 = podomeres of the anterior gonopod, cl = claw, cx = coxa, f1 = pointed process of the posterior gonopods' apical podomere, f2 & f3 = paddle shaped processes of the posterior gonopods' apical podomere, fe = femur, go = gonopore/pseudopenis, p1–p7 = podomeres of the posterior gonopod, pof = postfemur, prf = prefemur, st = sternite; ta = tarsus, ti = tibia.

FIGURE 2. Madagascarhinus madagascariensis n. gen., n in Madagascarhinus, a new genus of the family Siphonorhinidae with two new species from Madagascar (Diplopoda, Siphonophorida)

FIGURE 2. Madagascarhinus madagascariensis n. gen., n. sp., ♁ paratype (ZFMK MYR12534), SEM. A. Head, lateral view. B. Head, ventral view. C. Gnathochilarium, distal part. D. Left antenna, distal view. E. Ozopore. F. Midbody ring. anterio-lateral view. G. Spiracle, ventral. H. Midbody ring, dorsal view. Abbreviations: I–VII = antennomeres, ac = apical cones, cl = claw, cx = coxa, ep = epicranium, fe = femur, fh = forehead, ge = genae, La = labrum, LL = lamella lingualis, Me = mentum, mz = metazonite, oz = ozopore, pa = palp-like structure, pl = pleurite, pof = postfemur, prf = prefemur, pz = prozonite, sb = sensilla basiconica, sp = spiracle on sternite, ssb = spiniform sensilla, st = sternite, St = gnathochilarial stipes, ta = tarsus, ti = tibia. Square highlights position of ozopore.

FIGURE 6. Madagascarhinus andasibensis n. gen., n in Madagascarhinus, a new genus of the family Siphonorhinidae with two new species from Madagascar (Diplopoda, Siphonophorida)

FIGURE 6. Madagascarhinus andasibensis n. gen., n. sp., ♁ holotype (ZFMK MYR12218), SEM. A. Posterior body end, lateral view. B. Posterior body end, posterior view. C. Posterior body end, ventral view. D. Posterior body end, dorsal view. Abbreviations: hp = hypoproct (subanal scale), oz = ozopore, pl = pleurite, pp = paraproct (anal valve); pr = preanal ring, t = tergite.

FIGURE 1. Madagascarhinus n. gen. habitus. A. Madagascarhinus madagascariensis n. gen., n in Madagascarhinus, a new genus of the family Siphonorhinidae with two new species from Madagascar (Diplopoda, Siphonophorida)

FIGURE 1. Madagascarhinus n. gen. habitus. A. Madagascarhinus madagascariensis n. gen., n. sp., ♁ holotype (MHNG Mad-89/21), habitus, lateral view. B–D. Madagascarhinus andasibensis n. gen., n. sp., ♁ holotype (ZFMK MYR12218): B. Habitus, lateral view. C. Anterior body end, lateral view. D. Posterior body end, lateral view. Abbreviations: av = anal valves; Co = collum (tergite 1); Go = gonopods; L1 = leg 1; oz = ozopore; Pre = preanal ring; T63 = tergite 63. Not to scale.

FIGURES 1–7. Monoportula uralensis. Figures 1 in Notes on the rare Cretaceous species Syndetocystis uralensis Strelnikova leading to the description of a new monotypic genus Monoportula P.A.Sims et D.M.Williams nov. gen.

FIGURES 1–7. Monoportula uralensis. Figures 1, reproduction of holotype image of Syndetocystis uralensis from Strelnikova (1974, p. 79, tab. XXVII, fig. 4), "Eastern slopes of Pre-Polar Urals, Severnaya Sos'va River, Ust'-Man'ya Core 82, 145–149.5cm […] diatomite; Campanian, plate XXVII, fig. 4" (Strelnikova 1974, p. 79), Upper Cretaceous (Campanian), rimoportula arowed; Figures 2, 3, LM specimen of Monoportula uralensis from BM 82242, Kuril Islands, Russia, "U.S.S.R. #1" (selected specimen, single mount, rimoportula arrowed); Figures 4–7, SEM, Figure 4, external view of whole valve, rimoportula arrowed, Figures 5, 6, external girdle view of frustule with mantle areolae covered as network of anastomosing costae, Figure 7, detail of Figure 5 showing the long extended tube of the rimoportula, bending towards mantle. Scale bars = 20μm (Figs 4, 5, 6), = 5μm (Fig. 7); Figs 4, 5, 7 from "R122", Russia (BM Stub P1190), Figure 6 from "R116" (BM Stub P1100) both ex Strelnikova, possibly specimens from type material.

FIGURES 8, 9. Monoportula uralensis. Figures 8, 9 in Notes on the rare Cretaceous species Syndetocystis uralensis Strelnikova leading to the description of a new monotypic genus Monoportula P.A.Sims et D.M.Williams nov. gen.

FIGURES 8, 9. Monoportula uralensis. Figures 8, 9, SEM, internal view of valve with rimoportula arrowed, Scale bars = 10μm (Figs 4, 5, 6), specimens from "Pre-polar Urals #8, Campanian, USSR" ex Strelnikova. FIGURE 10. Figure 10a, drawing of Syndetocystis uralensis from Van Heurck (1896, p. 432, fig. 155, after Chase & Walker 1887, pl. 4, fig. 13); Figure 10b is the same drawing modified to remove most of the periplekton leaving just a "thick, hyaline, tubular process"; Figure 10c, the same image as in Figure 5 but reversed, reduced in size and rotated 1800 to aid comparison with Figures 10a and 10b.

FIGURE 4 in Oncelytris esquamatus gen. et sp. nov. from mid-Cretaceous amber of northern Myanmar (Coleoptera: Lucanidae)

FIGURE 4. Extant representatives of Ceratognathini. A, Holloceratognathus passaliformis (Holloway, 1962) (male), dorsal view. © Museum of New Zealand Te Papa Tongarewa, registration number AI.000059, licensed under CC BY 4.0. B, Holloceratognathus helotoides (Thomson, 1862) (male), ventral view. C, Ceratognathus ocularis Carter, 1925 (male), ventral view.

FIGURE 3 in Oncelytris esquamatus gen. et sp. nov. from mid-Cretaceous amber of northern Myanmar (Coleoptera: Lucanidae)

FIGURE 3. Details of Oncelytris esquamatus Li & Cai gen. et sp. nov., holotype, NIGP200820, under confocal microscopy. A, Mouthparts, ventral view. B, Prothorax, ventral view. C, Abdominal base, ventral view. D, Abdominal apex, ventral view. E, Antenna, ventral view. F, Protibia. G, Mid leg. H, Head, dorsal view. I, Elytral apex, dorsal view. Abbreviations: a1–10, antennomeres 1–10; lbp, labial palp; md, mandible; mstb, mesotibia; msts, mesotarsus; mxp, maxillary palp; pc, procoxa; ps, prosternum; ptb, protibia; v1–5, ventrites 1–5. Scale bars: 200 μm.

FIGURE 1 in Oncelytris esquamatus gen. et sp. nov. from mid-Cretaceous amber of northern Myanmar (Coleoptera: Lucanidae)

FIGURE 1. General habitus of Oncelytris esquamatus Li & Cai gen. et sp. nov., holotype, NIGP200820, under incident light. A, Dorsal view. B, Ventral view. Scale bars: 1 mm.