Figure 1:
![Epidorylaimus procerus sp. n. (female). A: Entire. B, C: Anterior region in lateral median view. D: Lip region in lateral surface view. E: Pharyngo-intestinal junction. F: Vagina. G: Neck region. H: Anterior genital branch. I: Posterior body region [scale bars: A = 500 µm; B, C = 10 µm; D, F = 5 µm; E = 20 µm; G-I = 50 µm].](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6472210c215d2f6c89dbcd6a/j_jofnem-2020-112_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKLGGOMECR%2F20260308%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260308T024528Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEEEaDGV1LWNlbnRyYWwtMSJHMEUCIBvVy8QAx9SUMN0Z20DtrWHfMmLFMhnpQ5qIZViffR3PAiEA8zeL%2BLEB0c00NqTLdUgks05F%2BuQKOrUF4GLD%2Bu0QeioqvQUIChACGgw5NjMxMzQyODk5NDAiDLRGkUUBHLWn8wUBViqaBcXNy%2FAFcMFSuneO6uehpsV%2Bb8%2F8dM45TfQ9T%2BZn%2FeAXMTxi4x4BHXyFnG6mrBK%2BGkZ3TqCgHPxFxT2heMi6yzQX%2B%2BpC5ie5zaO3SkSQKK3OzbraqfqoTUCWYdQMrVk3Y2HyqZwjKFtSj%2FK6TIfuswFcq3Bxg0N8fcPar%2B8laWNT%2Bxy0FPnwOOhcrxr%2FhWAkjYnTVfz8mHfo3ts8biDDW%2FgFy9y3%2Fo%2Fpm2QP4GJh%2Fwm3yN0TEpbUkupxApCa2tv%2FBEqRL%2FaNEP18eZ4EkoBQLnZ0E4s1yu9aSK7NyYyEEj%2BKPR4frQJaRblWSapL4eWHsG%2Bsrv9lC%2FepINMhwjkqYvB4pxfgV%2FKh6Ynm5M8yKBUyanvyL0vu8LnOcPvIsFUjQ5K8etirn%2F37HaAnfuztFK05L5wRIvesMdXkZ%2B7Lb6g56HZ6B%2FpGNPsqqxlNRhPV%2FQ6FelqrJOeF6qbJPtmEmmIMuP4T6YxjjrQVJ9o7r4G9KV0qczG93eoa2XKbv%2B8iUU9%2FYdEyy3Knet9zq8UdVuCgUQTZxoIowM4Xbrg9Dc5%2FMrwHB3TegVFIcusZA4ac8uKEBE%2FF0bOipsxx43XklLwhkd04UO9vmPfaseOV2L3FqU7csX%2BJmFrNnyE8QeshZnp588a8mLD6djr44DrU2LB0r9rlN3VPVFFNKjo8MCosAlBZ0E6ydoT3bDGnoSb3CgHLf%2Fan7Edx2IKmcvXTTvCGg3mI3zbx0H4d5B5AvDu2xYsTNWlIOPvyp9rRtE83xS4MHXjUW6MKHb4t3OcOR4wPDvFBZLbIJcVnV16u4D0Nv7sqLx3HIJi9qkksZs5c%2F3bFvy7G3B9K%2BWDA2UvqWZatYS67e6Cu0fvUp9Y%2BuauCVQuvtgcQetLd9TC1jrPNBjqxARlT5gOcbJMxv3HrcCR30VAwSHohN1nWasVpcG2C3HZytYc77Eg934nrmbJ1yy7cJICo8IBJi%2F%2BvjDEVt1h84kfA%2FSZCjY88mYgyg6%2Fyj1k1akzZ0PpFvE2EcjVDlbAgcfcHzu45ZfKtn6TOj22BU7YXz4kgZL5ecE8zYO9oW%2F7awCWD87dSJkuYJ2gyCiUtWoQNnQYGeSPzWuYg2Ar7ovhfYOoVWU4rnrtRF04LxEWhww%3D%3D&X-Amz-Signature=36c6ed0a297f6bd03b493461a9c18bf9c5f1569837e15b280e3d3028c3db4071&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 2:
![Epidorylaimus procerus sp. n. (female, LM). A: Entire. B-D: Anterior region in lateral median view. E: Neck region. F: Pharyngo-intestinal junction. G: Lip region in lateral surface view. H: Anterior genital branch. I: Uterine egg. J: Vagina. K: Caudal region. L: Anterior portion of the caudal region in median view. M: Same in submedian view, showing the blister-like elements mainly subventrally and ventrally [scale bars: A = 500 µm; B-D = 10 µm; E, H, K = 50; F, I, L, M = 20 µm; G, J = 5 µm].](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6472210c215d2f6c89dbcd6a/j_jofnem-2020-112_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKLGGOMECR%2F20260308%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260308T024528Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEEEaDGV1LWNlbnRyYWwtMSJHMEUCIBvVy8QAx9SUMN0Z20DtrWHfMmLFMhnpQ5qIZViffR3PAiEA8zeL%2BLEB0c00NqTLdUgks05F%2BuQKOrUF4GLD%2Bu0QeioqvQUIChACGgw5NjMxMzQyODk5NDAiDLRGkUUBHLWn8wUBViqaBcXNy%2FAFcMFSuneO6uehpsV%2Bb8%2F8dM45TfQ9T%2BZn%2FeAXMTxi4x4BHXyFnG6mrBK%2BGkZ3TqCgHPxFxT2heMi6yzQX%2B%2BpC5ie5zaO3SkSQKK3OzbraqfqoTUCWYdQMrVk3Y2HyqZwjKFtSj%2FK6TIfuswFcq3Bxg0N8fcPar%2B8laWNT%2Bxy0FPnwOOhcrxr%2FhWAkjYnTVfz8mHfo3ts8biDDW%2FgFy9y3%2Fo%2Fpm2QP4GJh%2Fwm3yN0TEpbUkupxApCa2tv%2FBEqRL%2FaNEP18eZ4EkoBQLnZ0E4s1yu9aSK7NyYyEEj%2BKPR4frQJaRblWSapL4eWHsG%2Bsrv9lC%2FepINMhwjkqYvB4pxfgV%2FKh6Ynm5M8yKBUyanvyL0vu8LnOcPvIsFUjQ5K8etirn%2F37HaAnfuztFK05L5wRIvesMdXkZ%2B7Lb6g56HZ6B%2FpGNPsqqxlNRhPV%2FQ6FelqrJOeF6qbJPtmEmmIMuP4T6YxjjrQVJ9o7r4G9KV0qczG93eoa2XKbv%2B8iUU9%2FYdEyy3Knet9zq8UdVuCgUQTZxoIowM4Xbrg9Dc5%2FMrwHB3TegVFIcusZA4ac8uKEBE%2FF0bOipsxx43XklLwhkd04UO9vmPfaseOV2L3FqU7csX%2BJmFrNnyE8QeshZnp588a8mLD6djr44DrU2LB0r9rlN3VPVFFNKjo8MCosAlBZ0E6ydoT3bDGnoSb3CgHLf%2Fan7Edx2IKmcvXTTvCGg3mI3zbx0H4d5B5AvDu2xYsTNWlIOPvyp9rRtE83xS4MHXjUW6MKHb4t3OcOR4wPDvFBZLbIJcVnV16u4D0Nv7sqLx3HIJi9qkksZs5c%2F3bFvy7G3B9K%2BWDA2UvqWZatYS67e6Cu0fvUp9Y%2BuauCVQuvtgcQetLd9TC1jrPNBjqxARlT5gOcbJMxv3HrcCR30VAwSHohN1nWasVpcG2C3HZytYc77Eg934nrmbJ1yy7cJICo8IBJi%2F%2BvjDEVt1h84kfA%2FSZCjY88mYgyg6%2Fyj1k1akzZ0PpFvE2EcjVDlbAgcfcHzu45ZfKtn6TOj22BU7YXz4kgZL5ecE8zYO9oW%2F7awCWD87dSJkuYJ2gyCiUtWoQNnQYGeSPzWuYg2Ar7ovhfYOoVWU4rnrtRF04LxEWhww%3D%3D&X-Amz-Signature=99106bbcb11fafbecce977842fc6e74c4e1eb6608bf7fca30c32dfba50fcac6e&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 3:
Morphometrics of Epidorylaimus procerus sp_ n_ from Vietnam_
| Holotype | Paratypes | |
|---|---|---|
| ♀ | 15♀♀ | |
| Character | ||
| L | 2.37 | 2.28 ± 0.09 (2.16-2.46) |
| a | 30.8 | 31.4 ± 1.2 (28.8-32.9) |
| b | 5.5 | 5.2 ± 0.2 (4.9-5.6) |
| c | 13.0 | 13.3 ± 0.7 (12.1-14.4) |
| V | 41.5 | 41.2 ± 0.8 (39.8-42.6) |
| c′ | 5.4 | 4.9 ± 0.4 (4.4-5.5) |
| Lip-region diameter | 17 | 15.9 ± 0.6 (15-17) |
| Odontostyle length | 32 | 33.4 ± 1.2 (32-35) |
| Odontophore length | 32 | 30.2 ± 1.5 (28-33) |
| Neck length | 432 | 435 ± 18 (415-461) |
| Pharyngeal expansion length | 204 | 212 ± 13 (194-238) |
| Body diam. at neck base | 61 | 65.0 ± 4.0 (61-73) |
| Mid-body | 77 | 72.6 ± 3.4 (68-79) |
| Anus/cloaca | 36 | 35.2 ± 1.3 (32-36) |
| Distance vulva – anterior end | 982 | 938 ± 43 (885-1012) |
| Prerectum length | 91 | 91.8 ± 18.4 (70-123) |
| Rectum length | 42 | 42.5 ± 4.6 (35-49) |
| Tail length | 182 | 171 ± 9.2 (157-186) |