Lihat Juga

• Figure 8 in Three marine haptorid ciliates from northern China: Paraspathidium apofuscum n. sp., Trachelotractus entzi (Kahl, 1927) Foissner, 1997 and Apotrachelotractus variabialis Long, Song and Warren, 2009 (Protozoa, Ciliophora)
  oleh: Long, Hongan, et al.
  Terbitan: (2009)
• Figure 7 in Three marine haptorid ciliates from northern China: Paraspathidium apofuscum n. sp., Trachelotractus entzi (Kahl, 1927) Foissner, 1997 and Apotrachelotractus variabialis Long, Song and Warren, 2009 (Protozoa, Ciliophora)
  oleh: Long, Hongan, et al.
  Terbitan: (2009)
• Figure 6 in Three marine haptorid ciliates from northern China: Paraspathidium apofuscum n. sp., Trachelotractus entzi (Kahl, 1927) Foissner, 1997 and Apotrachelotractus variabialis Long, Song and Warren, 2009 (Protozoa, Ciliophora)
  oleh: Long, Hongan, et al.
  Terbitan: (2009)
• Figure 1. Paraspathidium apofuscum n in Three marine haptorid ciliates from northern China: Paraspathidium apofuscum n. sp., Trachelotractus entzi (Kahl, 1927) Foissner, 1997 and Apotrachelotractus variabialis Long, Song and Warren, 2009 (Protozoa, Ciliophora)
  oleh: Long, Hongan, et al.
  Terbitan: (2009)
• FIGURE 11 in Taxonomic studies on three marine species of Frontonia from northern China: F. didieri n. sp., F. multinucleata n. sp. and F. tchibisovae Burkovsky, 1970 (Ciliophora: Peniculida)
  oleh: Long, Hongan, et al.
  Terbitan: (2008)