| Myostenostomum vanderlandi Rogozin, 1992 | Mar 15, 2019 | | | |
| Stenostomum cryptops Nuttycombe & Waters, 1935 | Oct 9, 2018 | | | |
| Stenostomum glandulosum Kepner & Carter, 1931 | Nov 30, 2018 | | | |
| Stenostomum grande Child, 1902 | Nov 30, 2018 | | | |
| Stenostomum grande Child, 1902 | Oct 9, 2018 | | | |
| Stenostomum grande Child, 1902 | Mar 15, 2019 | | | |
| Stenostomum grande Child, 1902 | May 29, 2019 | | | |
| Stenostomum paraguayense (Martin, 1908) | Oct 9, 2018 | | | |
| Stenostomum paraguayense (Martin, 1908) | Nov 30, 2018 | | | |
| Stenostomum pegephilum Nuttycombe & Waters, 1938 | Oct 9, 2018 | | | |
| Stenostomum saliens Kepner & Carter, 1931 | Oct 9, 2018 | | | |
| Stenostomum simplex Kepner & Carter, 1931 | Oct 9, 2018 | | | |
| Stenostomum tuberculosum Nuttycombe & Waters, 1938 | Mar 15, 2019 | | | |
| Stenostomum tuberculosum Nuttycombe & Waters, 1938 | Nov 30, 2018 | | | |
| Macrostomum itai Reyes & Brusa, 2021 | Oct 9, 2018 | | | |
| Mesostoma ehrenbergii (Focke, 1836) | Oct 9, 2018 | | | |
| Bothromesostoma evelinae Marcus, 1946 | May 29, 2019 | | | |
| Strongylostoma elongatum Hofsten N, 1907 | Mar 15, 2019 | | | |
| Gieysztoria duopunctata Reyes & Brusa, 2021 | Mar 15, 2019 | | | |
| Gyratrix hermaphroditus Ehrenberg, 1831 | Nov 30, 2018 | | | |
| Gyratrix hermaphroditus Ehrenberg, 1831 | Oct 9, 2018 | | | |
| Prorhynchus stagnalis Schultze, 1851 | Oct 9, 2018 | | | |