Animalia | Bilateria | Protostomia | Platyzoa | Platyhelminthes | Rhabditophora | Trepaxonemata | Neoophora | Eulecithophora | Rhabdocoela | Dalytyphloplanida | Trigonostomidae | Paramesostominae | Astrotorhynchus
ITIS:202423 | ITIS:914154 | ITIS:914155 | ITIS:914160 | ITIS:53963 | ITIS:914168 | ITIS:914204 | ITIS:914232 | ITIS:1036806 | ITIS:1036814 | ITIS:1036829 | ITIS:1036947 | ITIS:1037035 | ITIS:1037363
kingdom | subkingdom | infrakingdom | superphylum | phylum | subphylum | class | order | suborder | infraorder | section | family | subfamily | genus
ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | Minot, 1876 | Ehlers, 1985 | Ehlers, 1984 | Westblad, 1948 | de Beauchamp, 1961 | Ehrenberg, 1831 | Willems, Wallberg, Jondelius, Littlewood, Backeljau, Schockaert and Artois, 2006 | Graff, 1905 | Luther, 1948 | Graff, 1905