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Fig. 5 in Setaphyes elenae sp. nov., a new species of mud dragon (Kinorhyncha: Allomalorhagida) from Skagerrak (north-eastern Atlantic Ocean)

Fig. 5. Boxplots showing the ranges of different body measurements of Setaphyes elenae sp. nov., S. dentatus (Reinhard, 1881) and S. flaveolatus (Zelinka, 1928). A. Total trunk length. B. Standard sternal width. C. Lateral terminal spines' length.

Fig. 4 in Setaphyes elenae sp. nov., a new species of mud dragon (Kinorhyncha: Allomalorhagida) from Skagerrak (north-eastern Atlantic Ocean)

Fig. 4. Scanning electron micrographs showing general overview and details of the cuticular trunk morphology of a non-type specimen of Setaphyes elenae sp. nov. A. Dorsal overview. B. Middorsal elevation of segment 4. C. Cuticular ornamentation of anterior margin of segment 1. D. Detail of primary and secondary pectinate fringes of segment 5. E. Middorsal to paradorsal view of segment 2. F. Laterodorsal seta of segment 5. G. Middorsal process of segment 1. H. Ventral view of segments 4–5. I. Dorsal view of segment 10. J. Subdorsal sensory spots of segment 8. Abbreviations: mde = middorsal elevation; mdp = middorsal process; pdse = paradorsal seta; ppf = primary pectinate fringe; s = segment; vmse = ventromedial seta. Numbers after abbreviations indicate corresponding segment; sensory spots are marked as dashed circles. Scale bars: A = 100 µm; B, D, F–G, J = 1 µm; C, E, H–I = 10 µm.

Fig. 3 in Setaphyes elenae sp. nov., a new species of mud dragon (Kinorhyncha: Allomalorhagida) from Skagerrak (north-eastern Atlantic Ocean)

Fig. 3 (opposite page). Light micrographs showing trunk overviews and details of cuticular trunk characters of ♀, holotype (NHMD 655358) (A–L, N) and ♂, paratype (NHMD 655361) (M) of Setaphyes elenae sp. nov. A. Dorsal overview. B. Dorsal view on right half of segment 1. C. Ventral view on left half of segment 1. D. Dorsal view on right half of segment 2. E. Ventral view on left half of segment 2. F. Dorsal view on right half of segment 3. G. Ventral view on left half of segment 3. H. Ventral overview. I. Dorsal view on right half of segment 4. J. Ventral view on left half of segment 4. K. Dorsal view on right half of segment 8. L. Ventral view on left half of segment 8. M. Dorsal view on right half of segment 9. N. Ventral view on left half of segment 9. Abbreviations: ldse = laterodorsal seta; lts = lateral terminal spine; lvse = lateroventral seta; mde = middorsal elevation; mdp = middorsal process; pdse = paradorsal seta; vlse = ventrolateral seta; vmse = ventromedial seta. Numbers after abreviations indicate correspong segment; sensory spots are marked as dashed circles, and glandular cell outlets as continuous circles. Scale bars: A, H = 100 µm; B–G, I–N = 20 µm.

Fig. 2 in Setaphyes elenae sp. nov., a new species of mud dragon (Kinorhyncha: Allomalorhagida) from Skagerrak (north-eastern Atlantic Ocean)

Fig. 2 (opposite page). Line art illustrations of adult Setaphyes elenae sp. nov. A. ♀, ventral overview. B. ♀, dorsal overview. C. ♂, segments 10–11, ventral view. D. ♂, segments 1–2, ventral view. Abbreviations: bsj = ball-and-socket joint; dpl = dorsal placid; gcoI = type I glandular cell outlet; ldcr = laterodorsal cuticular ridge; ldse = laterodorsal seta; ldss = laterodorsal sensory spot; lts = lateral terminal spine; lvse = lateroventral seta; mde = middorsal elevation; mdp = middorsal process; ms = muscular scar; pdse = paradorsal seta; pdss = paradorsal sensory spot; ppf = primary pectinate fringe; ps = penil spine; pvap = paraventral apodeme; sdss = subdorsal sensory spot; spf = secondary pectinate fringe; vlcr = ventrolateral cuticular ridge; vlse = ventrolateral seta; vlss = ventrolateral sensory spot; vmse = ventromedial seta; vmss = ventromedial sensory spot; vmt = ventromedial tube; vpl = ventral placid. Scale bar = 100 µm

Fig. 17 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 17. Lepesubchela christinae gen. et sp. nov., holotype, immature. A. Habitus. B. Setae attached to crown-shaped peg. C. Left Ep1. D–E. Left and right Ep2. F. Left Ep3. G. Right Gn1. H. Left Gn2.

Fig. 19 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 19. Lepesubchela christinae gen. et sp. nov., holotype, immature. A. Left P4. B. Tooth of peraeon segment 5. C. Left P5. D. Left P6. E. Right P7. F. Left U1. G. Right U2. H. U3. I. Telson.

Fig. 15 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 15. Lepechinella victoriae sp. nov., holotype, ♀. A. Left P6. B. Tooth of peraeon segment 7. C. Female A1. D. Accessory flagellum. E. Female A2. F. Left P3.

Fig. 13 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 13. Lepechinella victoriae sp. nov., holotype, ♀. A. Habitus. B. Head. C. Spine on head. D. Left Gn1. E. Plumose setae. F. Left Gn2.

Fig. 12. Lepechinella schellenbergi Stephensen, 1944. — A–C in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 12. Lepechinella schellenbergi Stephensen, 1944. — A–C. Lectotype, ♀. A. Left P7, 1 spine on basis is enlarged. B. Left P6. C. Tooth of peraeon segment 6. — D–J. Paralectotype 1, ♂. D. Left and right male A2. E–F. Male A1 with accessory flagellum. G–H. Right and left mandible. I. Lower lip. J. Upper lip. — K–L. Paralectotype 2, ♀, mandible and mandible palp.

Fig. 7 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 7. Lepechinella norvegica sp. nov., holotype, ♂. A. Right P4. B. Tooth of peraeon segment 4. C. Left P6. D. Spine on basis of P6. E. Male A2. F. Male A1. G. Accessory flagellum on A1.

Fig. 8 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 8. Lepechinella norvegica sp. nov., holotype, ♂. A. Left U1. B. Left U2. C. U3. D. Telson. E. Upper lip. F. Lower lip. G–H. Left and right Mx1. I. Right Mx2. J–K. Left and right Mxp. L. Left mandible.

Fig. 2. Lepechinella arctica Schellenberg, 1926 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 2. Lepechinella arctica Schellenberg, 1926 (Dorbanella sp.), head redrawn after Schellenberg (1925).

Fig. 4 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 4. Lepechinella arctica, holotype, ♀. A. Right P4. B. Right P6. C. Right P5. D. Right P7. E. Tooth of peraeon segment 6. F. Gill of P5. G. Ep1. H. Ep2. I. Ep3. J. Spine on Ep3.

Fig. 18 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 18. Lepesubchela christinae gen. et sp. nov., holotype, immature. A–B. A1 with accessory flagellum. C. A2. D. Right P3 with gill. E. Left Mxp. F. Left Mx1. G. Left Mx2. H. Lower lip. I. Upper lip. J. Right mandible.

Fig. 1 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 1. Type localities of North Atlantic species of Lepechinella and Lepesubchela. A. Lepechinella arctica. B. Lepechinella eupraxiella. C. Lepechinella norvegica sp. nov. D. Lepechinella schellenbergi. E. Lepechinella helgi/skarphedini/grimi. F. Lepechinella victoriae sp. nov. G. Lepesubchela christinae gen. & sp. nov. H. Lepechinella chrysotheras. I. Lepechinella echinata. J. Lepechinella manco.

Fig. 3 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 3. Lepechinella arctica, holotype, ♀. A. Left Gn1. B. Right Gn2. C. Right P3. D. Peraeon and pleon.

Fig. 16 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 16. Lepechinella victoriae sp. nov., holotype, ♀. A. Left P5. B. Left P4. C. Right P7. D. Right U1. E. Right U2. F. U3. G. Telson.

Fig. 14 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 14. Lepechinella victoriae sp. nov., holotype, ♀. A. Right Ep1. B. Right Ep3. C. Right Ep2. D. Right and left Mx1. E. Left and right Mxp. F. Right mandible. G. Left Mx2. H. Upper lip. I. Lower lip. J. Gill of P4.

Fig. 10. Lepechinella schellenbergi Stephensen, 1944 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 10. Lepechinella schellenbergi Stephensen, 1944, lectotype, ♀. A. Right Gn1. B. Right Gn2. C. Left P3. D. Gill of P5. E. Right P4. F. Left P5.

Fig. 9 in New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic

Fig. 9. Lepechinella norvegica sp. nov., allotype, ♀. A. A1. B. Accessory flagellum of A1. C. Female A2. D–E. Right and left mandible. F. Right Ep1. G. Left Ep2. H. Left Ep3. I. Spine on Ep 1. J. Telson and left U3. K. Gill of P3.