Robuta

https://marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=481116

Turbellarians - Mesostoma stagni (Dalyell, 1853) Leuckart, 1859

turbellarians mesostoma dalyell leuckart

https://marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=1581719

Turbellarians - Mesostoma viridis Pereyaslawzewa, 1892

turbellarians mesostoma viridis

https://marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=878874

Turbellarians - Mesostoma virginiana

turbellarians mesostoma virginiana