original description
Allgén, C. A. (1959). Über einige, meistens neue, freilebende marine Nematoden aus dem Feuerland-Archipel (Schwedische Südpolar-Expedition 1901-1903). <em>Zoologischer Anzeiger.</em> Bd. 163, Heft 7/8: 222-243. [details] Available for editors 
basis of record
Various Authors (2000). Nematode filing cabinet of the Marine Biology Section Ugent - in combination with the NemasLan Ms-Access database (published on CD-Rom, 2000) (look up in IMIS) [details]
additional source
Allgén, C. A. (1959). Über einige, meistens neue, freilebende marine Nematoden aus dem Feuerland-Archipel (Schwedische Südpolar-Expedition 1901-1903). <em>Zoologischer Anzeiger.</em> Bd. 163, Heft 7/8: 222-243. [details] Available for editors 
Original description (NemasLan)
Note: species description of Paracanthonchus paralongus taken from: Allgén, C. A., 1959. Freeliving marine nematodes. Further zoological results of the Swedish Antarctic Expedition 1901-1903, V, no 2; NeM...
From editor or global species database