Table 1.

**Table 1.** Comparative measurements (in µm, with mean followed by the range) of Neotropical species of the genus Skrjabinodon.
	S. campiaoae sp. nov.	S. dixoni	S. heliocostai	S. scelopori	S. spinosulus
	Male	Female	Male	Female	Male	Female	Male	Female	Male	Female
Length	1036 ± 143 (896–	3007 ± 966 (677–	2320 ± 340 (1920–	6670 ± 770 (5440–	1020–	2190–	1960	3810–5730	1470–	7440–
	1161)	3668)	2800)	7870)	1260	8400			1720	8960
Width	101 ± 25 (75–134)	144 ± 29 (76–167)	279 ± 55 (204–357)	751 ± 100 (638–969)	140–150	140–160	136	3810–5980	140–150	140–150
Esophagus total	210 ± 30 (165–227) 479 ± 52 (373–531)	-	-	-	-	-	-	-	-
Esophagus length	155 ± 26 (116–174) 370 ± 32 (306–414)	221 ± 24 (180–250)	445 ± 47 (372–512)	190–210	300–510	285	4900–5170	180–200	410–430
Isthmus	9	10	25 ± 6 (18–34)	10 ± 2 (6–12)
Bulb length	57 ± 7 (46–63)	103 ± 20 (64–124)	80 ± 9 (67–92)	131 ± 17 (110–159)	54–57	57–90	72	1050–1080	39–60	75–100
Bulb width	63 ± 11 (47–70)	114 ± 22 (74–142)	79 ± 10 (61–88)	135 ± 25 (92–171)	46–61	55–100	72	1200–1290	50–72	90–130
Nerve ring	60 ± 5 (54–64)	107 ± 28 (63–130)	123 ± 16 (92–134)	123 ± 15 (92–140)	79–90	93–150	132	1090–1200	43–50	100–130
Excretory pore	306	168 790 ± 122 (638–995) 828 ± 86 (740–1020)	280	190–280	449	5710–6530		300–560
Tail length	216 ± 70 (117–275) 577 ± 136 (291–	380 ± 23 (357–408)	258 ± 32 (204–306)	190	140–390	81	8570–	140–180	450–630
		731)						11.560
Spicule	-	-	-	-	-	-	57	-	43–50	-
Distance of vulva from	-	Prebulbar	-	Postbulbar	-	Prebulbar	-	Postbulbar	-	Postbulbar
anterior end		158 ± 46		915 ± 106 (816–		200–		6250–		370–
		(61–206)		1148)		300		7210		600
Caudal spines	3–9	18–51	1–3	3	-	-	-	12–14	-	70–80
Anus	- 231 ± 152 (67–366)	-	-	-	630–770	-	-	-	1750–
										1890
Egg length	-	114 ± 6 (102–124)	-	91 ± 3 (88–95)		140		1620–1710		160–180
Egg width	-	37 ± 8 (19–49)	-	41 ± 1 (40–43)	-	54	-	36–48	-	36–50
Caudal papillae	4 pairs	-	3 pairs	-	3 pairs	-	4	-	3 pairs	-
							pairs

Table 1. Comparative measurements (in µm, with mean followed by the range) of Neotropical species of the genus Skrjabinodon.

S. campiaoae sp. nov.

S. dixoni

S. heliocostai

S. scelopori

S. spinosulus

Male

Female

Male

Female

Male

Female

Male

Female

Male

Female

Length

1036 ± 143 (896–

3007 ± 966 (677–

2320 ± 340 (1920–

6670 ± 770 (5440–

1020–

2190–

1960

3810–5730

1470–

7440–

1161)

3668)

2800)

7870)

1260

8400

1720

8960

Width

101 ± 25 (75–134)

144 ± 29 (76–167)

279 ± 55 (204–357)

751 ± 100 (638–969)

140–150

140–160

136

3810–5980

140–150

Esophagus total

210 ± 30 (165–227) 479 ± 52 (373–531)

Esophagus length

155 ± 26 (116–174) 370 ± 32 (306–414)

221 ± 24 (180–250)

445 ± 47 (372–512)

190–210

300–510

285

4900–5170

180–200

410–430

Isthmus

25 ± 6 (18–34)

10 ± 2 (6–12)

Bulb length

57 ± 7 (46–63)

103 ± 20 (64–124)

80 ± 9 (67–92)

131 ± 17 (110–159)

54–57

57–90

1050–1080

39–60

75–100

Bulb width

63 ± 11 (47–70)

114 ± 22 (74–142)

79 ± 10 (61–88)

135 ± 25 (92–171)

46–61

55–100

1200–1290

50–72

90–130

Nerve ring

60 ± 5 (54–64)

107 ± 28 (63–130)

123 ± 16 (92–134)

123 ± 15 (92–140)

79–90

93–150

132

1090–1200

43–50

100–130

Excretory pore

306

168 790 ± 122 (638–995) 828 ± 86 (740–1020)

280

190–280

449

5710–6530

300–560

Tail length

216 ± 70 (117–275) 577 ± 136 (291–

380 ± 23 (357–408)

258 ± 32 (204–306)

190

140–390

8570–

140–180

450–630

731)

11.560

Spicule

43–50

Distance of vulva from

Prebulbar

Postbulbar

Prebulbar

Postbulbar

anterior end

158 ± 46

915 ± 106 (816–

200–

6250–

370–

(61–206)

1148)

300

7210

600

Caudal spines

3–9

18–51

1–3

12–14

70–80

Anus

- 231 ± 152 (67–366)

630–770

1750–

1890

Egg length

114 ± 6 (102–124)

91 ± 3 (88–95)

140

1620–1710

160–180

Egg width

37 ± 8 (19–49)

41 ± 1 (40–43)

36–48

36–50

Caudal papillae

4 pairs

3 pairs

pairs

Published as part of De Sousa, Charles, Silva De Oliveira, Samanta, Morais, Drausio Honorio, Da Silva Pinheiro, Raul Henrique, Ávila, Robson Waldemar (2022). A new species of Skrjabinodon (Oxyuroidea: Pharyngodonidae) infecting Vanzosaura multiscutata (Squamata: Gymnophthalmidae) from Northeastern Brazil. Journal of Natural History 56 (1 - 4): 35-48. DOI: 10.1080/00222933.2022.2046886, URL: http://dx.doi.org/10.1080/00222933.2022.2046886 on page 42