WoRMS taxon details
Theristus acer Bastian, 1865
121601 (urn:lsid:marinespecies.org:taxname:121601)
accepted
Species
Monhystera acris Bastian, 1865 · unaccepted
Theristus acer leptosoma Allgén, 1950 · unaccepted
Theristus steineri Filipjev, 1922 · unaccepted
- Subspecies Theristus acer leptosoma Allgén, 1950 accepted as Theristus acer Bastian, 1865
marine
Bastian, H. C. (1865). Monograph of the Anguillulidae, or Free Nematoids, Marine, Land, and Freshwater; with Descriptions of 100 New Species. <em>The Transactions of the Linnean Society of London.</em> Volume XXV. Part II:73-184.
page(s): 156 (84 of pdf) [details]
page(s): 156 (84 of pdf) [details]
Distribution downstream part of middle St. Lawrence estuary; lower St. Lawrence estuary
Distribution downstream part of middle St. Lawrence estuary; lower St. Lawrence estuary [details]
Nemys eds. (2024). Nemys: World Database of Nematodes. Theristus acer Bastian, 1865. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=121601 on 2024-11-09
The webpage text is licensed under a Creative Commons Attribution 4.0 License
original description
Bastian, H. C. (1865). Monograph of the Anguillulidae, or Free Nematoids, Marine, Land, and Freshwater; with Descriptions of 100 New Species. <em>The Transactions of the Linnean Society of London.</em> Volume XXV. Part II:73-184.
page(s): 156 (84 of pdf) [details]
original description (of Monhystera acris Bastian, 1865) Bastian, H. C. (1865). Monograph of the Anguillulidae, or Free Nematoids, Marine, Land, and Freshwater; with Descriptions of 100 New Species. <em>The Transactions of the Linnean Society of London.</em> Volume XXV. Part II:73-184. [details]
taxonomy source Meldal, B. H.; Debenham, N. J.; De Ley, P.; De Ley, I. T.; Vanfleteren, J. R.; Vierstraete, A. R.; Bert, W.; Borgonie, G.; Moens, T.; Tyler, P. A.; Austen, M. C.; Blaxter, M. L.; Rogers, A. D.; Lambshead, P. (2007). An improved molecular phylogeny of the Nematoda with special emphasis on marine taxa. <em>Molecular Phylogenetics and Evolution.</em> 42(3): 622-636., available online at https://doi.org/10.1016/j.ympev.2006.08.025 [details] Available for editors
[request]
basis of record De Smet, G.; Vincx, M.; Vanreusel, A.; Vanhove, S.; Vanaverbeke, J.; Steyaert, M. (2001). Nematoda - free living. <em>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.</em> 161-174., available online at https://www.vliz.be/nl/imis?refid=26605 [details]
additional source Schuurmans Stekhoven, J. H. Jr. (1942). Les nématodes libres marins du Bassin de Chasse d'Ostende [The free-living nematods of the Sluice Dock at Ostend]. <em>Med. K. Belg. Inst. Nat. Wet.</em> 18(12): 1-26. (look up in IMIS) [details] Available for editors [request]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors [request]
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
additional source Coomans, A. V. (1989). Overzicht van de vrijlevende nematofauna van België (Nematoda). [The freeliving nematofauna of Belgium: a review.]. <em>In Wouters, K.; Baert, L. (Ed.): Invertebraten van België = Invertébrés de Belgique: Verhandelingen van het Symposium "Invertebraten van België" = Comptes rendus du Symposium "Invertébrés de Belgique" = Proceedings of the Symposium "Invertebrates of Belgium". Brussel, 25-26 november 1988. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussel, Belgium.</em> 43-56. (look up in IMIS) [details]
additional source Schuurmans Stekhoven, J. H. Jr. (1935). Freeliving Marine Nemas of the Belgian Coast. I. and II. <em>Mém. Mus. R. Hist. Nat. Belg.</em> 72: 1-36. [details] Available for editors [request]
additional source Steyaert, M.; Vanaverbeke, J.; Vanreusel, A.; Barranguet, C.; Lucas, C.; Vincx, M. (2003). The importance of fine-scale, vertical profiles in characterising nematode community structure. <em>Estuarine, Coastal and Shelf Science.</em> 58(2): 353-366. (look up in IMIS), available online at https://doi.org/10.1016/s0272-7714(03)00086-6 [details] Available for editors [request]
additional source Gerlach, S. A. (1965). Freilebende Meeresnematoden aus der Gezeitenzone von Spitzbergen. <em>Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven.</em> 9: 109-172. [details] Available for editors [request]
additional source Semprucci, F. (2013). Marine Nematodes from the Shallow Subtidal Coast of the Adriatic Sea: Species List and Distribution. <em>International Journal of Biodiversity.</em> 2013: 1-9., available online at https://doi.org/10.1155/2013/187659 [details] Available for editors [request]
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) (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 [request]
additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Allgén, C. A. (1939). Weitere freilebende Nematoden aus dem Vättern (Südschweden). <em>Festschr. Embrik Strand (Riga).</em> V: 384-394. [details] Available for editors [request]
additional source Kito, K. (1981). Studies on the free-living marine nematodes from Hokkaido, IV. <em>Jour. Fac. Sci. Hokkaido Univ. Ser. VI, Zool.</em> 22 (3): 250-278. [details] Available for editors [request]
additional source Zhou, H. (2001). Effects of leaf litter addition on meiofaunal colonization of azoic sediments in a subtropical mangrove in Hong Kong. Journal of Experimental Marine Biology and Ecology, Elsevier, Amsterdam 256(1):99-121. [details] Available for editors [request]
additional source Yeates, G. W. (2010). Phylum Nematoda: roundworms, eelworms. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 480-493. [details]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors [request]
additional source Warwick, R. M. (1971). Nematode associations in the Exe estuary. <em>J. mar. biol. Ass. U. K.</em> 51: 439-454. [details] Available for editors [request]
additional source Heip, C.; Herman, R.; Vincx, M. (1983). Subtidal meiofauna of the North Sea: A review. <em>Biol. Jb. Dodonaea.</em> 51: 116-170. (look up in IMIS) [details] Available for editors [request]
additional source Leduc, D.; Gwyther, J. (2008). Description of new species of Setosabatieria and Desmolaimus (Nematoda: Monhysterida) and a checklist of New Zealand free-living marine nematode species. <em>New Zealand Journal of Marine and Freshwater Research.</em> 42(3): 339-362., available online at https://doi.org/10.1080/00288330809509962 [details] Available for editors [request]
additional source Allgén, C. A. (1953). Revision der freilebenden marinen Nematoden aus der Umgebung der Staatlichen Zoologischen Station Kristineberg an der Westküste Schwedens. <em>Zoologische Jahrbucher (Systematik).</em> 81: 548-603. [details] Available for editors [request]
additional source Allgén, C. A. (1957). On a small collection of freeliving marine nematodes from Greenland and some other arctic regions with reviews and analyses of the compositions of all hitherto known arctic nematode faunas. <em>Meddr. Gronland.</em> 159 (3): 1- 42. [details] Available for editors [request]
additional source Allgén, C. A. (1946). Letzter Bericht über freilebende Nematoden aus dem Schalensand- und Kiesboden der Westküste Norwegens. <em>Arkiv for Zoologi.</em> 37 A (15): 1-26. [details] Available for editors [request]
additional source Allgén, C. A. (1959). Freeliving marine nematodes. Further zoological results of the Swedish Antarctic expedition, 1901-1903 under the direction of Dr. Otto Nordenskjold. V(2) P.A. Norstedt & Söner: Stockholm. 293 pp. [details] Available for editors [request]
additional source Jensen, P. (1984). Ecology of benthic and epiphytic nematodes in brackish waters. <em>Hydrobiologia.</em> 108: 201-217. [details] Available for editors [request]
additional source Jensen, P. (1986). The nematode fauna in the sulphide-rich brine seep and adjacent bottoms of the East Flower Garden, NW Gulf of Mexico. II. Monhysterida. <em>Zoologica Scripta.</em> 15(1): 1-11. (look up in IMIS) [details] Available for editors [request]
additional source Lorenzen, S. (1977). Revision der Xyalidae (freilebende Nematoden) auf der Grundlage einer kritischen Analyse von 56 Arten aus Nord- und Ostsee. <em>Veroff. Inst. Meeresforsch. Bremerh.</em> 16: 197-261. (look up in IMIS) [details] Available for editors [request]
ecology source Bastian, H. C. (1865). Monograph of the Anguillulidae, or Free Nematoids, Marine, Land, and Freshwater; with Descriptions of 100 New Species. <em>The Transactions of the Linnean Society of London.</em> Volume XXV. Part II:73-184. [details]
ecology source Schuurmans Stekhoven, J. H. Jr. (1954). IX. Vrijlevende Nematoden. <em>Veranderingen in de Flora en Fauna van de Zuiderzee (thans Ijsselmeer) na de afsluiting in 1932.</em> 169-185. [details] Available for editors [request]
page(s): 156 (84 of pdf) [details]
original description (of Monhystera acris Bastian, 1865) Bastian, H. C. (1865). Monograph of the Anguillulidae, or Free Nematoids, Marine, Land, and Freshwater; with Descriptions of 100 New Species. <em>The Transactions of the Linnean Society of London.</em> Volume XXV. Part II:73-184. [details]
taxonomy source Meldal, B. H.; Debenham, N. J.; De Ley, P.; De Ley, I. T.; Vanfleteren, J. R.; Vierstraete, A. R.; Bert, W.; Borgonie, G.; Moens, T.; Tyler, P. A.; Austen, M. C.; Blaxter, M. L.; Rogers, A. D.; Lambshead, P. (2007). An improved molecular phylogeny of the Nematoda with special emphasis on marine taxa. <em>Molecular Phylogenetics and Evolution.</em> 42(3): 622-636., available online at https://doi.org/10.1016/j.ympev.2006.08.025 [details] Available for editors
[request]basis of record De Smet, G.; Vincx, M.; Vanreusel, A.; Vanhove, S.; Vanaverbeke, J.; Steyaert, M. (2001). Nematoda - free living. <em>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.</em> 161-174., available online at https://www.vliz.be/nl/imis?refid=26605 [details]
additional source Schuurmans Stekhoven, J. H. Jr. (1942). Les nématodes libres marins du Bassin de Chasse d'Ostende [The free-living nematods of the Sluice Dock at Ostend]. <em>Med. K. Belg. Inst. Nat. Wet.</em> 18(12): 1-26. (look up in IMIS) [details] Available for editors
[request]additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors
[request]additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
additional source Coomans, A. V. (1989). Overzicht van de vrijlevende nematofauna van België (Nematoda). [The freeliving nematofauna of Belgium: a review.]. <em>In Wouters, K.; Baert, L. (Ed.): Invertebraten van België = Invertébrés de Belgique: Verhandelingen van het Symposium "Invertebraten van België" = Comptes rendus du Symposium "Invertébrés de Belgique" = Proceedings of the Symposium "Invertebrates of Belgium". Brussel, 25-26 november 1988. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussel, Belgium.</em> 43-56. (look up in IMIS) [details]
additional source Schuurmans Stekhoven, J. H. Jr. (1935). Freeliving Marine Nemas of the Belgian Coast. I. and II. <em>Mém. Mus. R. Hist. Nat. Belg.</em> 72: 1-36. [details] Available for editors
[request]additional source Steyaert, M.; Vanaverbeke, J.; Vanreusel, A.; Barranguet, C.; Lucas, C.; Vincx, M. (2003). The importance of fine-scale, vertical profiles in characterising nematode community structure. <em>Estuarine, Coastal and Shelf Science.</em> 58(2): 353-366. (look up in IMIS), available online at https://doi.org/10.1016/s0272-7714(03)00086-6 [details] Available for editors
[request]additional source Gerlach, S. A. (1965). Freilebende Meeresnematoden aus der Gezeitenzone von Spitzbergen. <em>Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven.</em> 9: 109-172. [details] Available for editors
[request]additional source Semprucci, F. (2013). Marine Nematodes from the Shallow Subtidal Coast of the Adriatic Sea: Species List and Distribution. <em>International Journal of Biodiversity.</em> 2013: 1-9., available online at https://doi.org/10.1155/2013/187659 [details] Available for editors
[request]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) (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
[request]additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Allgén, C. A. (1939). Weitere freilebende Nematoden aus dem Vättern (Südschweden). <em>Festschr. Embrik Strand (Riga).</em> V: 384-394. [details] Available for editors
[request]additional source Kito, K. (1981). Studies on the free-living marine nematodes from Hokkaido, IV. <em>Jour. Fac. Sci. Hokkaido Univ. Ser. VI, Zool.</em> 22 (3): 250-278. [details] Available for editors
[request]additional source Zhou, H. (2001). Effects of leaf litter addition on meiofaunal colonization of azoic sediments in a subtropical mangrove in Hong Kong. Journal of Experimental Marine Biology and Ecology, Elsevier, Amsterdam 256(1):99-121. [details] Available for editors
[request]additional source Yeates, G. W. (2010). Phylum Nematoda: roundworms, eelworms. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 480-493. [details]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
[request]additional source Warwick, R. M. (1971). Nematode associations in the Exe estuary. <em>J. mar. biol. Ass. U. K.</em> 51: 439-454. [details] Available for editors
[request]additional source Heip, C.; Herman, R.; Vincx, M. (1983). Subtidal meiofauna of the North Sea: A review. <em>Biol. Jb. Dodonaea.</em> 51: 116-170. (look up in IMIS) [details] Available for editors
[request]additional source Leduc, D.; Gwyther, J. (2008). Description of new species of Setosabatieria and Desmolaimus (Nematoda: Monhysterida) and a checklist of New Zealand free-living marine nematode species. <em>New Zealand Journal of Marine and Freshwater Research.</em> 42(3): 339-362., available online at https://doi.org/10.1080/00288330809509962 [details] Available for editors
[request]additional source Allgén, C. A. (1953). Revision der freilebenden marinen Nematoden aus der Umgebung der Staatlichen Zoologischen Station Kristineberg an der Westküste Schwedens. <em>Zoologische Jahrbucher (Systematik).</em> 81: 548-603. [details] Available for editors
[request]additional source Allgén, C. A. (1957). On a small collection of freeliving marine nematodes from Greenland and some other arctic regions with reviews and analyses of the compositions of all hitherto known arctic nematode faunas. <em>Meddr. Gronland.</em> 159 (3): 1- 42. [details] Available for editors
[request]additional source Allgén, C. A. (1946). Letzter Bericht über freilebende Nematoden aus dem Schalensand- und Kiesboden der Westküste Norwegens. <em>Arkiv for Zoologi.</em> 37 A (15): 1-26. [details] Available for editors
[request]additional source Allgén, C. A. (1959). Freeliving marine nematodes. Further zoological results of the Swedish Antarctic expedition, 1901-1903 under the direction of Dr. Otto Nordenskjold. V(2) P.A. Norstedt & Söner: Stockholm. 293 pp. [details] Available for editors
[request]additional source Jensen, P. (1984). Ecology of benthic and epiphytic nematodes in brackish waters. <em>Hydrobiologia.</em> 108: 201-217. [details] Available for editors
[request]additional source Jensen, P. (1986). The nematode fauna in the sulphide-rich brine seep and adjacent bottoms of the East Flower Garden, NW Gulf of Mexico. II. Monhysterida. <em>Zoologica Scripta.</em> 15(1): 1-11. (look up in IMIS) [details] Available for editors
[request]additional source Lorenzen, S. (1977). Revision der Xyalidae (freilebende Nematoden) auf der Grundlage einer kritischen Analyse von 56 Arten aus Nord- und Ostsee. <em>Veroff. Inst. Meeresforsch. Bremerh.</em> 16: 197-261. (look up in IMIS) [details] Available for editors
[request]ecology source Bastian, H. C. (1865). Monograph of the Anguillulidae, or Free Nematoids, Marine, Land, and Freshwater; with Descriptions of 100 New Species. <em>The Transactions of the Linnean Society of London.</em> Volume XXV. Part II:73-184. [details]
ecology source Schuurmans Stekhoven, J. H. Jr. (1954). IX. Vrijlevende Nematoden. <em>Veranderingen in de Flora en Fauna van de Zuiderzee (thans Ijsselmeer) na de afsluiting in 1932.</em> 169-185. [details] Available for editors
[request]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Unreviewed
Diet bacteria, fungi and other nematodes [details]Dimensions Length: male 2.14-2.39 mm, female 2.28-2.49 mm; Maximum width: ale 37-42 u, female 48-50 u; Head: 17-21 u wide [details]
Distribution downstream part of middle St. Lawrence estuary; lower St. Lawrence estuary [details]
Habitat free-living or bottom dwelling [details]
Importance useful in determining environmental quality [details]
Reproduction separate sexes; fertilization internal, eggs may be retained until hatching. Young appear as juvenile worms (not larvae). [details]
