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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. 1. A in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)

Fig. 1. A. Map showing the sampling area of Alvor (Faro, Portugal). B. Close-up of the sampling area. Green point marks the sampling site.

Fig. 5 in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)

Fig. 5. Boxplots represent the ranges of different body measurements of Setaphyes algarvensis sp. nov., and S. kielensis (Zelinka, 1928). A. Total trunk length. B. Relationship between total trunk length and lateral terminal spine length; arrow points out the female of S. algarvensis sp. nov. C. Relationship between total trunk length and lateral terminal spine length among males and females of S. kielensis. D. Relationship between total trunk length and lateral terminal spine length among the males of both

Fig. 4 in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)

Fig. 4. Scanning electron micrographs showing general overview and details of the cuticular trunk morphology of three adult males, additional specimens of Setaphyes algarvensis sp. nov. (UCM Meiofauna Collection) A. Dorsal overview. B. Ventral view of left half segment 1. C. Lateral view of segments 1–4. D. Ventral view of segments 5–6. E. Middorsal elevation of segment 5. F. Detail of dorsal sensory spots on segment 1. G. Ventral overview. H. Detail of pectinate fringe and glandular cell outlets of segment 8. I. Dorsal view of segments 8–11. J. Detail of ventral seta and sensory spot on segment 8. Abbreviations: gco = glandular cell outlet; ldse = laterodorsal seta; lts = lateral terminal spine; lvse = lateroventral seta; mde = middorsal elevation; mdp = middorsal process; pdse = paradorsal seta; plse = paralateral seta; ppf = primary pectinate fringe; spf = secondary pectinate fringe; vmse = ventromedial seta; vmtu = ventromedial tube; numbers after abbreviations indicate corresponding segment; sensory spots are marked as dashed circles. Scale bars: A, G = 100 µm; B–F, H–J = 10 µm.

Fig. 3 in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)

Fig. 3. Light micrographs of holotype, ♂ (NHMD-921475) (A–D, H–I, K–L), paratypes, ♂ (F–G, M) (F: NHMD-921479, G: NHMD-921489, M: NHMD-921484), and paratype, ♀ (E, J) (NHMD-921485), showing trunk overviews and details of cuticular trunk characters of adult Setaphyes algarvensis sp. nov. A. Dorsal overview. B. Dorsal view of left half of segment 1. C. Detail of paralateral seta of segment 1. D. Ventral view of right half of segment 1. E. Ventral view of right half of segments 1–3. F. Dorsal view of left half of segments 2–3. G. Ventral view of right half of segments 2–3. H. Dorsal view of left half of segment 5. I. Ventral view of right half of segment 5. J. Ventral view of left half of segment 10. K. Dorsal view of segment 11. L. Dorsal view of left half of segment 8. M. Ventral view of right half of segment 8. Abbreviations: cr = cuticular ridge; ldse = laterodorsal seta; lts = lateral terminal spine; lvse = lateroventral seta; mde = middorsal elevation; mdp = middorsal process; pdse = paradorsal seta; plse = paralateral seta; ppf = primary pectinate fringe; spf = secondary pectinate fringe; vlse = ventrolateral seta; vmse = ventromedial seta; vmtu = ventromedial tube; numbers after abbreviations indicate corresponding segment; sensory spots are marked as dashed circles and glandular

Fig. 2 in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)

Fig. 2 (preceding page). Line illustrations of adult Setaphyes algarvensis sp. nov. A. ♂, ventral overview. B. ♂, dorsal overview. C. ♀, segments 1–3, ventral view. D. ♀, segments 9–11, ventral view. Abbreviations: ap = apodeme; bsj = ball-and-socket joint; cr = cuticular ridge; dpl = dorsal placid; gco = glandular cell outlet; 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; plse = paralateral seta; ps = penil spine; sdss = subdorsal sensory spot; vlse = ventrolateral seta; vlss = ventrolateral sensory spot; vmse = ventromedial seta; vmss = ventromedial sensory spot; vmtu = ventromedial tube; vpl = ventral placid. Scale bar: 100 µm.

Fig. 5 in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)

Fig. 3 in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)

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Linked collectors and determiners for: Setaphyes elenae sp. nov., a new species of mud dragon (Kinorhyncha: Allomalorhagida) from Skagerrak (north-eastern Atlantic Ocean).

Natural history specimen data linked to collectors and determiners held within, "Setaphyes elenae sp. nov., a new species of mud dragon (Kinorhyncha: Allomalorhagida) from Skagerrak (north-eastern Atlantic Ocean)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/daf51a6a-153a-4906-a478-da4df86eee11">https://bionomia.net/dataset/daf51a6a-153a-4906-a478-da4df86eee11</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/daf51a6a-153a-4906-a478-da4df86eee11">https://gbif.org/dataset/daf51a6a-153a-4906-a478-da4df86eee11</a>. Formatted as a Frictionless Data package.

Fig. 13 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 13. SEM photographs of females (ZMB 12476: A; ZMB 12474: B–C, E; ZMB 12456: D), male (ZMB 12470: F) of Setaphyes kielensis from Sylt. A: dorsolateral overview, right side of the trunk; B: lateral view of the left side of segments 1–4; C: lateral view of the left side of segments 8–9; D: dorsolateral overview, left side of the trunk; E: lateral view of the left side of segments 5–7; F: lateral view of the left side of segments 9–11. Abbreviations: ldse, laterodorsal setae; lts, lateral terminal spine; lvse, lateroventral setae; pdse, paradorsal setae; ppf, primary pectinate fringe. Numbers after abbreviations indicate the number of the corresponding segment. Dashed circles mark sensory spots.

Fig. 3 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 3. Diagram of mouth cone and introvert in Setaphyes dentatus showing the distribution and type of scalids by ring and sector. Abbreviations:? position of inner oral styles not revealed; S, sector followed by number of sector.

Fig. 6 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 6. SEM photographs of female (ZMB 12746: B, D, F) and adult of indeterminate sex (ZMB 12750: A, C, E) of Setaphyes dentatus from the Mediterranean coast of the Iberian Peninsula, Algeciras population. A: dorsal view of segments 1–4; B: ventral view of segments 1–3; C: dorsal view of segments 4–7; D: ventral view of segments 3–7; E: dorsal view of segments 7–10; F: ventral view of segments 8–10. Abbreviations: ldse, laterodorsal setae; lts, lateral terminal spine; lvse, lateroventral setae; mde, middorsal elevation; mdp, middorsal process; pdse, paradorsal setae; ppf, primary pectinate fringe; vlse, ventrolateral setae; vmse, ventromedial setae. Numbers after abbreviations indicate the number of the corresponding segment. Dashed circles mark sensory spots.

Fig. 9 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 9. Line art illustration of Setaphyes kielensis. A: Male, ventral view; B: Male, dorsal view; C: Female, segments 1–3, ventral view; D: female, segments 9–11, ventral view. Scale bar: 100 μm. Abbreviations: ap, apodeme; cr, cuticular ridge; cs, cuticular scar; dpl, dorsal placid; ica, intracuticlular atria; ldse, laterodorsal setae; ldss, laterodorsal sensory spot; lts, lateral terminal spine; lvse, lateroventral setae; mde, middorsal elevation; ms, muscular scar; ne, nephridiopore; pdse, paradorsal setae; pdss, paradorsal sensory spot; ps, penile spine; sdss, subdorsal sensory spot; spf, secondary pectinate fringe; vlse, ventrolateral setae; vmse, ventromedial setae; vmss, ventromedial sensory spot; vmtu, ventromedial tube; vpl, ventral placid.

Fig. 12 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 12. SEM photographs of females (ZMB 12456: A, E, G; ZMB 12467: B; ZMB 12471 D), males (ZMB 12477: C, H–I; ZMB 12463: F) of Setaphyes kielensis from Sylt. A: ventral overview; B: ventral view of segments 1–4; C: ventral view of segments 1–2; D: right sternal plates of segments 2–3; E: ventral view of segments 6–8; F: ventral overview; G: ventral view of segments 9–10; H: ventral view of segments 10–11; I: detail of the penile spines and bristles. Abbreviations: br, bristle; gco, glandular cell outlets; lts, lateral terminal spine; lvse, lateroventral setae; ppf, primary pectinate fringe; ps, penile spines; sp, spermatophore; vlse, ventrolateral setae; vmse, ventromedial setae; vmtu, ventromedial tube. Numbers after abbreviations indicate the corresponding segment. Dashed circles mark sensory spots.

Fig. 1 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 1. Map of the sampling localities. Black circles indicate localities in which specimens of Setaphyes dentatus were found. White circles indicate localities in which specimens of Setaphyes kielensis were found. A: enlarged map of the Iberian Peninsula; B: enlarged map of the North Frisian region; C: enlarged map of the Anatolian region.

Fig. 4 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 4. Light micrographs of females (ZMB 12617: A, D; ZMB 12409: B–C, F–H) and male (ZMB 12418: E, I) of Setaphyes dentatus from Sylt. A: Sector 1 (midventral) of the introvert; B: Dorsal view on segments 1–5; C: Ventral view on segments 1–6; D: Mouth cone, outer oral styles (ring 01); E: Cuticular ornamentation on segment 10. Note that punctuate appearance represents preservation artefact. F: Dorsal view on segments 5–11; G: Ventral view on segments 6–11. H: Female LTS; I: Male LTS. Lambda symbols (Λ) mark anterior attachment points of spinoscalids on introvert (A). Abbreviations: co, cuticular ornamentation; cs, cuticular scars; dpl, dorsal placid; ldse, laterodorsal setae; lts, lateral terminal spine; lvse, lateroventral setae; mde, middorsal elevation; mdp, middorsal process; oos, outer oral style; pcr, patch of cuticular ridges; pdse, paradorsal setae; ps, penile spine; psp, primary spinoscalid; sp, spinoscalid (followed by the number of corresponding ring); ts, trichoscalid; vlse, ventrolateral setae; vmse, ventromedial setae; vpl, ventral placid. Numbers after abbreviations indicate the corresponding segment.

Fig. 11 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus

Fig. 11. SEM photographs of the head of Setaphyes kielensis (male ZMB 12455: A–D). A: Detail of mouth cone ring 00 showing the outer oral style morphology; B: introvert sector 4 (laterodorsal); C: introvert sector 2 (ventrolateral); D: detail of neck (dorsal view) showing the trichoscalids and the placids. Abbreviations: ba, bacteria; bef, basal elongated fringe; bs, basal sheath; bsf, basal short fringe; ct, cuticular thickening; dpl, dorsal placid; ep, end-piece of spinoscalid; psp, primary spinoscalid; sp, spinoscalid (followed by number of corresponding ring); ts, trichoscalid. Lambda symbols (Λ) mark attachment points of scalids.