Nemys eds. (2024). Nemys: World Database of Nematodes. Theristus gracilis (de Man, 1876) Filipjev, 1918. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=121612 on 2025-04-10
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Theristus gracilis (de Man, 1876) Filipjev, 1918. Accessed at: http://marbef.org//marbef.org/data/aphia.php?p=taxdetails&id=121612 on 2025-04-10
basis of recordDe Smet, G.; Vincx, M.; Vanreusel, A.; Vanhove, S.; Vanaverbeke, J.; Steyaert, M. (2001). Nematoda - free living. In: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50. 161-174., available online athttps://www.vliz.be/nl/imis?refid=26605[details]
additional sourceKreis, H. A. (1929). Freilebende marine Nematoden von der Nordwest-Küste Frankreichs (Trébeurden Côtes du Nord). Capita Zoologica. II, 7: 1-98.[details] Available for editors
additional sourceVarious 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 RoR) [details]
new combination referenceFilipjev, I. N. (1918). Free-living marine nematodes of the Sevastopol area. Transactions of the Zoological Laboratory and the Sevastopol Biological Station of the Russian Academy of Sciences. Series II No 4 (Issue I & II) (Translated from Russian).[details]