| Yungia aurantiaca (Delle Chiaje, 1822) | prior to 1822 |  |  |  | 
| Planaria aurantiaca Delle Chiaje, 1822 | prior to 1822 |  |  |  | 
| Cystiplex axi Karling, 1964 | 1964 or earlier |  |  | Süd-Sizilien.  Ufersand.  (Riedl) | 
| Cestoplana rubrocincta (Grube, 1840) | 1944 or earlier |  |  |  | 
| Messoplana falcata falcata (Ax, 1953) | 1974 or earlier |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | 
| Parotoplana axi Delogu & Curini-Galletti, 2009 | 2009 or earlier |  |  |  | 
| Parotoplana impastatoi Curini-Galletti & Delogu, 2014 | 2014 or earlier |  |  |  | 
| Parotoplana livatinoi Curini-Galletti & Delogu, 2014 | 2014 or earlier |  |  |  | 
| Parotoplana tubifera Curini-Galletti & Delogu, 2014 | 2014 or earlier |  |  |  | 
| Anthoplana antipathellae Bo & Betti, 2019 | prior to 2020 |  |  | Associated with Antipathella subpinnata (Cnidaria) | 
| Temnosewellia minor (Haswell, 1888) | 2021 or earlier |  |  | ...."collected on Cherax destructor in an aquaculture farm in Sicily, Italy." |