DOI: 10.5281/zenodo.15464916
title: TABLE 2 in Description of Pheronous jairajpurii sp. nov. (Enoplida: Ironidae) a free-living marine nematode from Tamil Nadu Coast (India) with emended diagnosis of Pheronous Inglis, 1966

description: TABLE 2. Morphological comparison of the three species of the genus Pheronous Inglis, 1966. Measurements in μm. Mean values are within parentheses. Abbreviations are as follows: a = body length/maximum body diameter; b = body length/pharynx length; c = body length/tail length; c’= tail length/ (anal/ cloacal diameter); V%= distance of vulva from anterior end/ body length.
P. jairajpurii sp. nov.P. donghaiensisP. donghaiensisP. ogdeniIndiaXMHCZZDSKoreaSouth AfricaFemalesMalesFemalesMalesFemalesMalesMalesFemalesMalesFemalesBody length903–1147 (1035)1043 –1355 (1030)19322024–2188 (2097)1322–1417 (1370)1293–1427 (1679)2004–2180 (2082)2114–2197 (2164)1490–1980 (1755)1430–1770 (1580)Head diameter16–19 (17)12–18 (17)2826–27 (26)22–22 (22)21–24 (28)28–30 (29)29–29 (29)23–31 (26)19–25 (24)Buccal cavity length36–45 (39)31–40 (37)6161–63 (62)43–43 (43)38–41 (50)54–63 (59)61–62 (62)--Amphideal fovea from anterior end5–9 (7)4–9 (7)1311–12 (11)8–8 (8)8–14 (10)11–13 (12)12–14 (13)--Amphideal fovea diameter9–11 (11)8–11 (10)1717–19 (18)15–14 (14.5)14–14 (18.5)16–18 (17)17–19 (18)--Amphideal corresponding body diameter17–20 (18)15–19 (18)3129–31 (30)20–21 (20.5)19–21 (25)----Nerve ring from anterior end85–104 (99)79–107 (96)151140–144 (142)100–105 (102.5)95–104 (125.5)142–149 (145)146–151 (149)128–168 (146)121–140 (127)Nerve ring corresponding body diameter24–26 (25)20–25 (23)4347–49 (48)40–33 (36.5)34–41 (45)42–44 (43)47–48 (48)--Pharynx length203–243 (216)195–226 (209)333321–340 (331)229–250 (239.5)213–246 (285.5)341–373 (351)357–364 (364)281–330 (309)251–291 (270)Pharynx corresponding body diameter26–29 (27)22–28 (25)4752–55 (54)35–41 (38)35–41 (47)----Max body diameter29–32 (31)27–31 (28)5055–60 (58)36–42 (39)36–43(49)53–55 (54)57–59 (59)51–62 (54)47–55 (52)Anal/ cloacal diameter16–19 (18)19–21 (20)2933–37 (35)24–25 (24.5)24–30 (34.5)34–37 (36)36–36 (36)67–78 (72)26–33(30)Tail length57–67 (62)50–63 (56)11781–96 (88)76–84 (80)57–64 (75)84–95 (90)105–118 (110)32–33 (33)93– 123(105)c’-42.4–2.8 (2.6)3.0–3.5 (3.2)2.0–2.4 (2.8)----Spicules length as chord-22–28 (26)-41–44 (42)-31–35 (41)44–52 (47)---Spicules length as arc-26–31 (28)-44–46 (45)-33–38 (44)54–61 (57)-35–41 (40.5)-Gubernaculum length-13–16 (14)-25–27 (26)-16–20 (22)24–28 (26)-16–20 (18)-Vulval body diameter29–34 (32)-46-33–38 (35.5)-----V (%)51.1–72.9 (60.1)-60.1-55.5–59.6 (57.5)--57–58 (57)-52.4–57.9 (55.1)a28.9–36.7 (34.2)35.7–49.4 (42.4)38.633.7– 39.8(36.3)31.7–39.4 (35.5)30.2–38.4 (42.8)38–40 (39)37–37 (37)24.0–38.8 (32.8)27.5–34.0 (30.5)b3.8–5.4 (4.8)5.3–6.0 (5.7)5.86.3–6.4 (6.3)5.7–5.8 (5.75)5.7–6.1 (7.35)66–6 (6)5.3–5.7 (5.5)5.0–6.5 (5.8)c13.9–19.5 (16.7)19.4–23.7 (21.4)16.522.8–25.0 (23.8)16.9–17.5 (17.2)21.6–23.2 (27.9)21–25 (23)18–21 (20)22.2–26.0 (24.1)13.9–16.0 (14.8)Distance of vulva from anterior end551–685 (616)-1162-786–794 (790)--1196–1269 (1239)--
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description: Published as part of Datta, Ritika & Rizvi, Anjum Nasreen, 2025, Description of Pheronous jairajpurii sp. nov. (Enoplida: Ironidae) a free-living marine nematode from Tamil Nadu Coast (India) with emended diagnosis of Pheronous Inglis, 1966, pp. 347-348 in Zootaxa 5636 (2) on page 347, DOI: 10.11646/zootaxa.5636.2.7, http://zenodo.org/record/15437730