WoRMS taxon details
Theristus problematicus (Allgén, 1927) Wieser, 1956
153451 (urn:lsid:marinespecies.org:taxname:153451)
accepted
Species
Monhystera problematica Allgén, 1927 · unaccepted
Theristus asymetricus Vitiello, 1967 · unaccepted
marine
(of Monhystera problematica Allgén, 1927) Allgén, C. A. (1927). Freilebende marine Nematoden von den Campbell- und Staten-Inseln. <em>Nyt Magazin for Naturvidenskaberne.</em> 66: 249-309.
page(s): 295 [details] Available for editors
[request]
page(s): 295 [details] Available for editors
[request]
Nemys eds. (2025). Nemys: World Database of Nematodes. Theristus problematicus (Allgén, 1927) Wieser, 1956. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=153451 on 2025-10-12
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Nomenclature
original description
(of Monhystera problematica Allgén, 1927) Allgén, C. A. (1927). Freilebende marine Nematoden von den Campbell- und Staten-Inseln. <em>Nyt Magazin for Naturvidenskaberne.</em> 66: 249-309.
page(s): 295 [details] Available for editors [request]
basis of record 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]
new combination reference Wieser, W. (1956). Free-living marine nematodes III. Axonolaimoidea and Monhysteroidea. <em>Acta Univ Lund N. F. Avd.</em> 2. Bd 52. Nr 13: 1-115. [details] Available for editors [request]
page(s): 295 [details] Available for editors
[request]basis of record 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]
new combination reference Wieser, W. (1956). Free-living marine nematodes III. Axonolaimoidea and Monhysteroidea. <em>Acta Univ Lund N. F. Avd.</em> 2. Bd 52. Nr 13: 1-115. [details] Available for editors
[request]Other
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 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 Vanreusel, A. (1990). Ecology of the free-living marine nematodes from the Voordelta (Southern Bight of the North Sea). I. Species composition and structure of the nematode communities. <em>Cah. Biol. mar.</em> 31: 439-462. [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 Vanreusel, A. (1990). Ecology of the free-living marine nematodes from the Voordelta (Southern Bight of the North Sea). I. Species composition and structure of the nematode communities. <em>Cah. Biol. mar.</em> 31: 439-462. [details] Available for editors
[request]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Original description (NemasLan) 
Note: species description of Theristus problematicus taken from: Allgén, C. A., 1928. Freilebende marine Nematoden von den Campbell- und Staten-Inseln.. Nyt Magasin for Naturvidenskaberne B. LXVI: 249-309...
Original description (NemasLan) Note: species description of Theristus problematicus taken from: Wieser, W., 1956. Free-living marine nematodes III. Axonolaimoidea and Mohysteroidea. Acta Univ Lund N. F. Avd. 2. Bd 52. Nr 13: 1-115; NeM...
To Biodiversity Heritage Library (1 publication) (from synonym Theristus asymetricus Vitiello, 1967)
To PESI
To ITIS
Note: species description of Theristus problematicus taken from: Allgén, C. A., 1928. Freilebende marine Nematoden von den Campbell- und Staten-Inseln.. Nyt Magasin for Naturvidenskaberne B. LXVI: 249-309... Original description (NemasLan)
Note: species description of Theristus problematicus taken from: Wieser, W., 1956. Free-living marine nematodes III. Axonolaimoidea and Mohysteroidea. Acta Univ Lund N. F. Avd. 2. Bd 52. Nr 13: 1-115; NeM... To Biodiversity Heritage Library (1 publication) (from synonym Theristus asymetricus Vitiello, 1967)
To PESI
To ITIS
From editor or global species database
Image from synonym
