Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Nematoda > Class Chromadorea > Subclass Chromadoria > Order Monhysterida > Suborder Monhysterina > Superfamily Sphaerolaimoidea > Family Xyalidae > Genus Theristus

Theristus flevensis Schuurmans Stekhoven, 1935

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Theristus*	Bastian, 1865	accepted genus name
*Penzancia*	de Man, 1889	synonym
*Theristus (Penzancia)*	de Man, 1889	synonym

Literature

original description	Schuurmans Stekhoven, J. H. Jr. (1935). Nematoda: Systematischer Teil, Nematoda errantia. Grimpe, G. and E. Wagler, Die Tierwelt der Nord- und Ostsee (Leipzig 1935). V b: 1-173.
basis of record	De 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.
additional source	Kito, K.; Aryuthaka, C. (1998). Free-living marine nematodes of shrimp culture ponds in Thailand. I. New species of the genera Diplolaimella and Thalassomonhystera (Monhysteridae) and Theristus (Xyalidae). Hydrobiologia. 379: 123–133.
additional source	Gerlach, S. A. (1957). Marine Nematoden aus dem Mangrove-Gebiet von Cananéia (Brasilianische Meeres-Nematoden III). Abh. math.-naturw. Kl. Akad. Wiss. Mainz. 5: 129-176.
additional source	Gerlach, S. A. (1965). Freilebende Meeresnematoden aus der Gezeitenzone von Spitzbergen. Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven. 9: 109-172.
additional source	Venekey, V.; Fonseca-Genevois, V.; Santos, P. J. P. (2010). Biodiversity of free-living marine nematodes on the coast of Brazil: a review. Zootaxa. 2568: 39–66.
additional source	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)
additional source	Heip, C.; Herman, R.; Vincx, M. (1983). Subtidal meiofauna of the North Sea: A review. Biol. Jb. Dodonaea. 51: 116-170.
additional source	Gerlach, S. A. (1957). Marine Nematoden von der Kongo-Mündung. Bull. Inst. r. Sci. nat. Belg. 33 (28): 1-16.
additional source	Gerlach, S. A. (1957). Die Nematodenfauna des Sandstrandes an der Küste von Mittelbrasilien (Brasilianische Meerse-Nematoden IV). Mitt. zool. Mus. Berl. 33 (2): 411-459.
additional source	Gerlach, S. A. (1954). Die freilebenden Nematoden der schleswig-holsteinischen Küsten. Schr. naturw. Ver. Schlesw.-Holst. 27: 44-69.
additional source	Decraemer, W.; Coomans, A. (1978). Scientific Report on the Belgian Expedition to The Great Barrier Reef in 1967. Nematodes XII. Ecological Notes on the Nematode Fauna in and around Mangroves on Lizard Island. Aust. J. Mar. Freshwater Res. 29, 497-508.
additional source	Semprucci, F. (2013). Marine Nematodes from the Shallow Subtidal Coast of the Adriatic Sea: Species List and Distribution. International Journal of Biodiversity. 2013: 1-9.
redescription	Allgén, C. A. (1927). Freilebende marine Nematoden von den Campbell- und Staten-Inseln. Nyt Magazin for Naturvidenskaberne. 66: 249-309.
redescription	Tchesunov, A. V. (1981). Free-living Nematodes of the Species Group Theristus flevensis (Monhysterida) from the Caspian Sea (Svobodnozhivushchie Nematody Gruppy Vidov Theristus flevensis (Monhysterida) v Kaspiiskom More). Biulletin Moskovskogo Obshchestva Ispytatelei Prirody. Otdel Biologii, 86(2): 63-70.
ecology source	Schiemer, Fritz. (1978). Verteilung und Systematik der Freilebenden Nematodes des Neusiedlersees. Hydrobiologia. 58(2): 167-194.
ecology source	Ansari, K. G. M. T.; Manokaran, S.; Raja, S.; Lyla, P. S.; Khan, S. A. (2013). Interaction of free-living marine nematodes in the artificial mangrove environment (southeast coast of India). Environmental Monitoring and Assessment. 186(1): 293-305.
identification resource	Tchesunov, A. V. (1990). Cephalic cuticular structures in some free-living nematodes from the superfamily Monhysteroidea (Chromadoria, Monhysterida). Communication I. Zoologicheskiĭ Zhurnal. 69 (11): 18-24.

Genbank

Taxonomy

NeMys

Citation

Nemys eds. (2025). Nemys: World Database of Nematodes. Theristus flevensis Schuurmans Stekhoven, 1935. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:121611

Dr. Vlada Peneva. Theristus flevensis Schuurmans Stekhoven, 1935. Accessed through: Fauna Europaea at https://portal.cybertaxonomy.org/fauna-europaea/cdm_dataportal/taxon/12ed0084-a76d-495c-af4a-0b0d2a736a0b