Urotrema sp.

Urotrema sp.

Infection site: Intestine

Localities: Calcehtok and Homún

Prevalence (%) and median intensity: Calcehtok 14.3 and 3.7 (2.2‒6.6). Homún 8.6 and 2 (1.3‒2.8)

Specimens deposited: CNHE-12311 and NHM 2025.8.13.5

Comments: Based on six specimens examined. Body 1945 ± 323 (1450–2450) × 665 ± 200 (400–860) ( Figure 2G View FIGURE 2 ). Tegument covered by spines up to a third of the body. Oral sucker 129 ± 25 (105–160) × 125 ± 25 (86–152). Ventral sucker 169 ± 21 (134–200) × 162 ± 25 (128–198). Pharynx 60 ± 13 (40–70) × 50 ± 12 (40–70). Testes in tandem; anterior testis 167 ± 37 (122–235) × 207 ± 66 (131–300), posterior testis 178 ± 46 (130–252) × 218 ± 68 (110–300). Ovary oval, pretesticular, 141 ± 47 (86–210) × 131 ± 49 (65–200). Vitellarium in forebody, extending from the posterior border of the oral sucker to just anterior to the anterior testis. Cirrus-sac 159 ± 38 (128–225) × 77 ± 22 (48–110). Eggs 20 ± 0.4 (20–21) × 10 ± 0.8 (9–11).

These specimens closely resemble U. minuta . However, they in their body length (1945 vs. 1460) and vitellarium extension (ending before anterior testis level vs. reaching midlevel of anterior testis).