
Belongs within: Xiphidiata.
Contains: Zoogonoidea, Lecithodendriidae, Microphallidae.
The Microphalloidea are a diverse assemblage of flukes united by molecular data.
<==Microphalloidea
|--+--Pachypsolus Looss 1901D56 [PachypsolidaeOC03]
| | `--P. irroratus (Rudolphi 1819)D56
| `--+--Renicola Cohn 1904D56 [RenicolidaeOC03, Renicoloidea]
| | |--R. lari Timon-David 1933D56
| | |--R. pinguis (Mehlis in Creplin 1846) [=Monostoma pingue]D56
| | |--R. secunda Skrjabin 1924D56
| | `--R. tertia Skrjabin 1924D56
| `--EucotylidaeOC03
| |--Tamerlania Skrjabin 1924D56
| | `--T. zarudnyi Skrjabin 1924D56
| |--Tanaisia Skrjabin 1924 [Tanaisiinae]D56
| | |--T. fedtschenkoi Skrjabin 1924 [incl. Prohystera rossittensis Korkhaus 1930]D56
| | `--T. gratiosaT04
| `--Eucotyle Cohn 1904 [Eucotylinae]D56
| |--E. cohni Skrjabin 1924D56
| |--E. hassalli Price 1930D56
| |--E. nephritica (Mehlis 1846) [=Monostoma nephriticum]D56
| |--E. wehri Price 1930D56
| `--E. zakharowi Skrjabin 1920D56
`--+--ZoogonoideaOC03
`--+--LecithodendriidaeOC03
`--+--MicrophallidaeOC03
`--+--Pleurogenidae [Pleurogenetinae, Pleurogeninae]OC03
| |--Brandesia Stossich 1899D56
| | `--B. turgida (Brandes 1888) [=Distomum turgidum]D56
| |--Pleurogenes Looss 1896D56
| | |--P. claviger (Rudolphi 1819) [=Distoma clavigerum; incl. Cercaria ornata La Valette 1855]D56
| | |--P. loossi Africa 1930D56
| | `--P. minus Pigulewski 1931D56
| |--Pleurogenoides Travassos 1921 [incl. Sonsinotrema Balozet & Callot 1938]D56
| | |--P. medians (Olsson 1876) (see below for synonymy)D56
| | |--P. stromiD56
| | `--P. tener (Looss 1898)D56
| `--Prosotocus Looss 1899D56
| |--P. amphoraeformisD56
| |--P. confusus (Looss 1894) (see below for synonymy)D56
| |--P. trigonostomumD56
| `--P. vespertilionisD56
`--Prosthogonimidae [Prosthogoniminae]OC03
|--Schistogonimus Lühe 1909D56
| `--S. rarus (Braun 1901) [=Prosthogonimus rarus]D56
`--Prosthogonimus Lühe 1899 [=Prostogonimus (l. c.); incl. Prymnoprion Looss 1899]D56
|--P. anatinus Markow 1902D56
|--P. cuneatus (Rudolphi 1809) [=Distoma cuneatum; incl. Prymnoprion anceps Looss 1899]D56
|--P. dogieli Skrjabin 1915D56
|--P. extremis Strom 1940D56
|--P. fuelleborni Skrjabin & Massino 1925D56
|--P. macrorchis Macy 1934D56
|--P. ovatus (Rudolphi 1803) (see below for synonymy)D56
|--P. oviformis Strom 1940D56
|--P. pellucidus (Linstow 1873) (see below for synonymy)D56
|--P. putschkowskii Skrjabin 1913D56
|--P. rudolphii Skrjabin 1919D56
|--P. skrjabini Zakharow 1920D56
`--P. subbuteo Strom 1940D56