Dodatak:Popis četinočeljusti, M
- †Maldeotaia bandalica Singh and Shukla 1981
Mesosagitta Tokioka, 1965
uredi- Mesosagitta minima (Grassi, 1881)
†Mongolodus Missarzhevsky 1977
uredi- †Mongolodus maximi Gravestock et al. 2001
- †Mongolodus sulcus Parkhaev and Demidenko 2010