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Table 1 Morphometric comparison of present specimen and previously described forms of Mesocoelium sociale

From: First light microscopy and ultrastructural description of Mesocoelium sociale (Luhe, 1901) Odhner, 1910 (Trematoda: Mesocoeliidae) in Bufo regularis from Egypt

 Cheng (1960)Wongsawad et al. (1998)Dronen et al. (2012)Ray et al. (2017)Present specimen
HostBufo melanostictusKaloula pulchraBufo asperDuttaphrynus melanostictusBufo regularis
LocalityIndiaChiang Mai, ThailandMalaysiaIndiaEgypt
Body L.2.8–3.5 mm2.6–3.4 mm1.8–2.7 (2.38) mm760–790 (775) μm776.7–2807.9 (2039.9) μm
Body W.0. 7–0.72 mm0.5–0.74 mm600–688 (644) μm200–240 (220) μm434.2–897.5 (730.5) μm
Oral sucker L.0.275–0.34 mm0.21–0.32 mm200–225 (213) μm221–432 (437) μm115.6–283.6 ( 214.8) μm
Oral sucker W.0.27–0.32 mm0.27–0.31 mm215–260 (236) μm213–232 (329) μm138.3–312.3 (221.6) μm
Ventral sucker L. x W.0.185–0.32 mm (diameter)0.13–0.22 × 0.16–0.21 mm146–175 (167) × 128–168 (134) μm152–173 (162) × 164–171 (167) μm81.5–192.5 (140.7) × 84.3–187.4 (132.6) μm
PreharynxPresentShortShortNot observedNot observed
Pharynx L.0.1–0.13 mm0.09–0.12 mm70–105 (88) μm134–142 (134) μm62.3–172.2 (119.2) μm
Pharynx w.0.065–0.098 mm0.062–0.091 mm93–180 (107) μm81–92 (86) μm68.5–224.8 (141.9) μm
Oesophagus L.Median length0.22–0.79 mm28–75 (46) μmVery short or absent, 10–12 (11) μm16.8–163.7 (72.4) μm
Right testis L.0.17–0.24 mm0.14–0.23 mm128–182 (160) μm131–164 (213) μm59.2–221.2 (140.5) μm
Right testis W.0.15–0.23 mm0.11–0.22 mm125–150 (136) μm126–143 (197) μm59.4–179.1 (122.7) μm
Left testis L.Same0.14–0.22 mm140–165 (148) μmSame66–220.3 (154.6) μm
Left testis W.Same0.12–0.25 mm118–148 (139) μmSame58.8–218.6 (133.1) μm
Ovary L.0.18–0.22 mm0.14–0.23 mm145–195 (168) μm150–165 (157) μm41.5–191 (122.5) μm
Ovary W.0.17–0.18 mm0.17–0.24 mm125–180 (157) μm120–136 (128) μm70.5–164.2 (127.9) μm
Eggs L.31–33 μm31–39 μm32–43 (37) μm10–20 (15) μm32.8–35.6 (34.1) μm
Eggs W.20–23 μm21–24 μm20–25 (22) μm19.7–24.5 (22.5) μm