- 分類
- Gnathostomulida 顎口虫綱
- Micrognathozoa 微顎虫綱［和名仮称］
- Rotifera, Rotatoria 輪虫綱
- Acanthocephala 鉤頭虫綱
- 文献
- Ahlrichs, W.H. 1997. Epidermal ultrastructure of Seison nebaliae and Seison annulatus, and a comparison of epidermal structures within the Gnathifera. Zoomorphology 117: 41-48.
- Kristensen, R.M., and Funch, P. 2000. Micrognathozoa: A new class with complicated jaws like those of Rotifera and Gnathostomulida. J. Morphol. 246: 1-49.
