Transferred from the Heteropphyidae to the Opisthorchiidae by Sokolov et al. (2020). [details]
Transferred from the Heterophyidae to the Opisthorchiidae by Sokolov et al. (2020). [details]
Transferred from the Lepocreadioidea to the Opisthorchiidae by Sokolov et al. (2020). [details]
Recognised at the subfamily level and transferred from the Lepocreadoidea to the Opisthorchiidae by Sokolov et al. ... [details]