| 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 |  |  |  |