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Theristus acer Bastian 1865

Scientific Names

Preferred Names

Theristus acer Bastian 1865
Species recognized by EOL Dynamic Hierarchy April 2022
Reference taxon from World Register of Marine Species
Theristus acer
Species recognized by wikipedia NL, EOL Dynamic Hierarchy 1.1, EOL Dynamic Hierarchy 1.1, Canada Species List, Denmark Species List, France Species List, Bay of Bengal Species List, North Atlantic Species List, North Sea Species List, Southern Ocean Species List, and NCBI
Theristus acer Bastian 1865
Species recognized by GBIF classification
Monhystera acris
Recognized by BHL data coverage
Theristus acer
Species recognized by wikidata_hierarchy tar gz and Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy
Theristus acer Bastian 1865
Species recognized by Catalogue of Life 26 March 2024, World Register of Marine Species, GBIF data coverage, Dynamic Hierarchy Version 2.2.3, and EOL Dynamic Hierarchy Version 2.2.4

Alternative Names

Monhystera acris Bastian 1865
Not accepted according to EOL Dynamic Hierarchy April 2022
Reference taxon from World Register of Marine Species
Theristus acer leptosoma Allgén 1950
Not accepted according to EOL Dynamic Hierarchy April 2022
Reference taxon from World Register of Marine Species
Theristus steineri Filipjev 1922
Not accepted according to EOL Dynamic Hierarchy April 2022
Reference taxon from World Register of Marine Species
Monhystera acris Bastian 1865
Not accepted according to Dynamic Hierarchy Version 2.2.3 and EOL Dynamic Hierarchy Version 2.2.4
Monhystera acris Bastian 1865
Synonym according to Catalogue of Life 26 March 2024
Theristus acer leptosoma Allgén 1950
Not accepted according to Dynamic Hierarchy Version 2.2.3 and EOL Dynamic Hierarchy Version 2.2.4
Theristus acer leptosoma Allgén 1950
Synonym according to Catalogue of Life 26 March 2024
Theristus steineri Filipjev 1922
Not accepted according to Dynamic Hierarchy Version 2.2.3 and EOL Dynamic Hierarchy Version 2.2.4
Theristus steineri Filipjev 1922
Synonym according to Catalogue of Life 26 March 2024

Common Names

There are no common names associated with this taxon.

Curated hierarchies for Theristus acer Bastian 1865

EOL Dynamic Hierarchy April 2022

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Ecdysozoa
Nematoda
Chromadorea
Chromadoria
Monhysterida
Monhysterina De Coninck & Schuurmans Stekhoven 1933
Sphaerolaimoidea Filipjev 1918
Xyalidae Chitwood 1951
Theristus Bastian 1865
Theristus acer Bastian 1865 (this page)
Theristus acribus Gerlach 1956
Theristus acriformis (de Man 1922)
Theristus aculeatus Schulz 1935
Theristus altenbachi Jensen 1991
Theristus ambronensis Schulz 1937
Theristus anisocirculus Blome 1982
Theristus anisotrichus Lorenzen 1971
Theristus anoxybioticus Jensen 1995
Theristus arcticus
Theristus australis
Theristus balticus Lorenzen 1973
Theristus bastiani Gerlach & Riemann 1973
Theristus bathylaimoides Allgén 1959
Theristus biarcospiculoides Blome 1982
Theristus biarcospiculum Timm 1954
Theristus bidontolaimus Allgén 1959
Theristus bipunctatus (Schneider 1906)
Theristus blandicor Rachor 1971
Theristus borosi Andrássy 1958
Theristus brachysetosus Allgén 1959
Theristus brevicollis (Cobb 1894) Filipjev 1922
Theristus brevisetosus Alekseev ex Alekseev 1992
Theristus buetschlii Bresslau & Stekhove
Theristus buetschlioides Chitwood 1951
Theristus calx Wieser & Hopper 1967
Theristus camelopardalis
Theristus caudasaliens Adams & Tyler 1980
Theristus chitinolaimus (Allgén 1932)
Theristus complexus Jayasree & Warwick 1977
Theristus conicaudatus Allgén 1959
Theristus consobrinus Tu & Gagarin 2017
Theristus copulatus Jensen 1986
Theristus denticulatus Warwick 1970
Theristus discolensis Bussau 1993
Theristus diversispiculum Gerlach 1953
Theristus ensifer Gerlach 1951
Theristus falklandiae Allgén 1959
Theristus filicaudatus Allgén 1959
Theristus flevensis Schuurmans Stekhoven 1935
Theristus gracilis (de Man 1876)
Theristus heterospiculoides Gerlach 1953
Theristus heterospiculum (Allgén 1932) Gerlach 1953
Theristus inermis Gerlach 1953
Theristus interstitialis Warwick 1970
Theristus karachiensis (Timm 1963)
Theristus latissimus (Filipjev 1922)
Theristus leptosoma Allgén 1950
Theristus lineatus Gerlach 1965
Theristus littoralis Filipjev 1922
Theristus longicaudatusviviparus Allgén 1952
Theristus longicollis Blome 1982
Theristus longisetifer Kito & Aryuthaka 1998
Theristus longisetosus Schuurmans Stekhoven & De Coninck 1933
Theristus longispicula Platonova 1971
Theristus longus Platt 1973
Theristus lorenzeni Pastor de Ward 1985
Theristus macer Lorenzen 1973
Theristus macroflevensis Gerlach 1954
Theristus macropapillatus Allgén 1959
Theristus manicatus Wieser 1956
Theristus marinae Tchesunov 1981
Theristus maspapillatus (Cobb 1891) Filipjev 1918
Theristus megalaimoides Wieser 1956
Theristus megalaimus (Stewart 1914) Wieser 1956
Theristus melnikovi Tchesunov 1986
Theristus meridianus (Cobb 1914) Filipjev 1922
Theristus metaflavensis Gerlach 1955
Theristus metaflevensis Gerlach 1955
Theristus meyli Riemann 1966
Theristus minimus Gagarin & Nguyen Vu Thanh 2011
Theristus modicus Wieser 1956
Theristus monstrosus Gerlach 1954
Theristus neglectus (Cobb 1930) Wieser 1956
Theristus nidrosiensis (Allgén 1933) Wieser 1956
Theristus norwegicus (Allgén 1933)
Theristus obtusicephalus Schuurmans Stekhoven 1950
Theristus oistospiculum (Allgén 1932)
Theristus orientalis Gagarin & Thanh 2005
Theristus ostentator Wieser & Hopper 1967
Theristus otoplanobius Gerlach 1951
Theristus pacificus (Johnston 1938) Filipjev 1918
Theristus pakistanesis Turpeenniemi, Nasira & Maqbool 2001
Theristus paraelaboratus
Theristus parambronensis Timm 1954
Theristus parasetosus (Allgén 1928)
Theristus paravelox Allgén 1934
Theristus parvulus Timm 1954
Theristus pellucidus Allgén 1939
Theristus pertenuis Schuurmans Stekhoven 1935
Theristus pictus Gerlach 1951
Theristus polychaetophilus Hopper 1966
Theristus pratti Murphy & Canaris 1964
Theristus problematicus (Allgén 1927) Wieser 1956
Theristus profundus Blome 1982
Theristus pyronasi Gerlach 1965
Theristus rezaki Jensen 1986
Theristus rhynchonemoides Hopper 1961
Theristus sinuosus Wieser 1959
Theristus uncinatus Wieser 1959
Theristus wimmeri Wieser 1959
15 additional siblings truncated for brevity.
See the resource file for a full list.

Catalogue of Life 26 March 2024

Biota
Animalia
Nematoda
Chromadorea Inglis 1983
Chromadoria Pearse 1942
Monhysterida Filipjev 1929
Monhysterina De Coninck & Schuurmans Stekhoven 1933
Sphaerolaimoidea Filipjev 1918
Xyalidae Chitwood 1951
Theristus Bastian 1865
Theristus acer Bastian 1865 (this page)
Theristus acribus Gerlach 1956
Theristus acriformis (de Man 1922) Gerlach & Riemann 1973
Theristus aculeatus Schulz 1935
Theristus agilis (de Man 1880) Filipjev 1918
Theristus altenbachi Jensen 1991
Theristus anisocirculus Blome 1982
Theristus anisotrichus Lorenzen 1971
Theristus anoxybioticus Jensen 1995
Theristus athesinus Andrássy 1962
Theristus balticus Lorenzen 1973
Theristus bastiani Gerlach & Riemann 1973
Theristus biarcospiculoides Blome 1982
Theristus biarcospiculum Timm 1954
Theristus bipunctatus (Schneider 1906) Gerlach & Riemann 1973
Theristus blandicor Rachor 1971
Theristus borosi Andrássy 1958
Theristus brevisetosus Alekseev ex Alekseev 1992
Theristus bujumbura Tsalolikhin ex Tsalolikhin 1989
Theristus calx Wieser & Hopper 1967
Theristus caudasaliens Adams & Tyler 1980
Theristus complexus Jayasree & Warwick 1977
Theristus conicaudatus Allgén 1959
Theristus consobrinus Nguyen Dinh Tu & Gagarin 2017
Theristus copulatus Jensen 1986
Theristus cylindricus Salma, Nasira, Saima & Shahina 2017
Theristus darkovi Tsalolikhin 1993
Theristus denticulatus Warwick 1970
Theristus discolensis Bussau 1993
Theristus diversispiculum Gerlach 1953
Theristus ensifer Gerlach 1951
Theristus filicaudatus Allgén 1959
Theristus flevensis Schuurmans Stekhoven 1935
Theristus franzbergeri Schiemer 1984
Theristus gigas Gagarin & Thanh 2018
Theristus gobiensis (Tsalolikhin 1985)
Theristus gracilis (de Man 1876) Filipjev 1918
Theristus heterospiculoides Gerlach 1953
Theristus heterospiculum (Allgén 1932) Gerlach 1953
Theristus inermis Gerlach 1953
Theristus interstitialis Warwick 1970
Theristus karachiensis (Timm 1963)
Theristus lineatus Gerlach 1965
Theristus littoralis Filipjev 1922
Theristus longicollis Blome 1982
Theristus longisetifer Kito & Aryuthaka 1998
Theristus longisetosus Schuurmans Stekhoven & De Coninck 1933
Theristus longispicula Platonova 1971
Theristus longus Platt 1973
Theristus lorenzeni Pastor de Ward 1985
Theristus macer Lorenzen 1973
Theristus macroflevensis Gerlach 1954
Theristus manicatus Wieser 1956
Theristus marinae Tchesunov 1981
Theristus megalaimoides Wieser 1956
Theristus melnikovi Tchesunov 1986
Theristus metaflevensis Gerlach 1955
Theristus meyli Riemann 1966
Theristus minimus Gagarin & Nguyen Vu Thanh 2011
Theristus modicus Wieser 1956
Theristus monstrosus Gerlach 1954
Theristus norwegicus (Allgén 1933) Wieser 1956
Theristus oistospiculum (Allgén 1932)
Theristus orientalis Gagarin & Thanh 2005
Theristus otoplanobius Gerlach 1951
Theristus pakistanesis (Turpeenniemi, Nasira & Maqbool 2001) Fonseca & Bezerra 2013
Theristus pannonicus Andrássy 1985
Theristus parambronensis Timm 1954
Theristus paravelox Allgén 1934
Theristus pertenuis Schuurmans Stekhoven 1935
Theristus pictus Gerlach 1951
Theristus polychaetophilus Hopper 1966
Theristus problematicus (Allgén 1927) Wieser 1956
Theristus profundus Blome 1982
Theristus psammophilus Gagarin & Naumova 2012
Theristus pyronasi Gerlach 1965
Theristus rezaki Jensen 1986
Theristus rhynchonemoides Hopper 1961
Theristus roscoffiensis Vitiello 1967
Theristus ruffoi Andrássy 1959
Theristus scanicus Allgén 1949
Theristus siwaschensis Revkova 2020
Theristus sonnae Bussau 1993
Theristus stranus Gerlach 1957
Theristus streltzovi Galtsova, Platonova, Streltsova & Petukhov 1980
Theristus subacer Pavljuk 1984
Theristus subcurvatus Lorenzen 1977
Theristus terricola Andrássy 1985
Theristus tessae Heyns & Coomans 1989
Theristus tsalolikhini Gagarin & Naumova 2012
Theristus turbidus Gagarin & Thanh 2010
Theristus variasetosus Pavljuk 1984
Theristus velox Bastian 1865
Theristus vesentiniae Andrássy 1962
Theristus wegelinae Andrássy 1962
Theristus wimmeri Wieser 1959

Dynamic Hierarchy Version 2.2.3

Theristus acer Bastian 1865 (this page)
Theristus acribus Gerlach 1956
Theristus acriformis (de Man 1922) Gerlach & Riemann 1973
Theristus aculeatus Schulz 1935
Theristus agilis (de Man 1880) Filipjev 1918
Theristus altenbachi Jensen 1991
Theristus anisocirculus Blome 1982
Theristus anisotrichus Lorenzen 1971
Theristus anoxybioticus Jensen 1995
Theristus arcuatospiculus Leduc & Zhao 2023
Theristus athesinus Andrássy 1962
Theristus balticus Lorenzen 1973
Theristus bastiani Gerlach & Riemann 1973
Theristus biarcospiculoides Blome 1982
Theristus biarcospiculum Timm 1954
Theristus bipunctatus (Schneider 1906) Gerlach & Riemann 1973
Theristus blandicor Rachor 1971
Theristus borosi Andrássy 1958
Theristus brevisetosus Alekseev ex Alekseev 1992
Theristus bujumbura Tsalolikhin ex Tsalolikhin 1989
Theristus calx Wieser & Hopper 1967
Theristus caudasaliens Adams & Tyler 1980
Theristus complexus Jayasree & Warwick 1977
Theristus conicaudatus Allgén 1959
Theristus consobrinus Nguyen Dinh Tu & Gagarin 2017
Theristus copulatus Jensen 1986
Theristus coralis Long, Thu, Gagarin & Tu 2023
Theristus cylindricus Salma, Nasira, Saima & Shahina 2017
Theristus darkovi Tsalolikhin 1993
Theristus denticulatus Warwick 1970
Theristus discolensis Bussau 1993
Theristus diversispiculum Gerlach 1953
Theristus ensifer Gerlach 1951
Theristus filicaudatus Allgén 1959
Theristus flevensis Schuurmans Stekhoven 1935
Theristus franzbergeri Schiemer 1984
Theristus gigas Gagarin & Thanh 2018
Theristus gobiensis (Tsalolikhin 1985)
Theristus gracilis (de Man 1876) Filipjev 1918
Theristus heterospiculoides Gerlach 1953
Theristus heterospiculum (Allgén 1932) Gerlach 1953
Theristus inermis Gerlach 1953
Theristus interstitialis Warwick 1970
Theristus karachiensis (Timm 1963)
Theristus levicapitulus Leduc & Zhao 2023
Theristus lineatus Gerlach 1965
Theristus littoralis Filipjev 1922
Theristus longicollis Blome 1982
Theristus longisetifer Kito & Aryuthaka 1998
Theristus longisetosus Schuurmans Stekhoven & De Coninck 1933
Theristus longispicula Platonova 1971
Theristus longus Platt 1973
Theristus lorenzeni Pastor de Ward 1985
Theristus macer Lorenzen 1973
Theristus macroflevensis Gerlach 1954
Theristus manicatus Wieser 1956
Theristus marinae Tchesunov 1981
Theristus megalaimoides Wieser 1956
Theristus melnikovi Tchesunov 1986
Theristus metaflevensis Gerlach 1955
Theristus meyli Riemann 1966
Theristus minimus Gagarin & Nguyen Vu Thanh 2011
Theristus modicus Wieser 1956
Theristus monstrosus Gerlach 1954
Theristus norwegicus (Allgén 1933) Wieser 1956
Theristus oistospiculum (Allgén 1932)
Theristus orientalis Gagarin & Thanh 2005
Theristus otoplanobius Gerlach 1951
Theristus pakistanesis (Turpeenniemi, Nasira & Maqbool 2001) Fonseca & Bezerra 2013
Theristus pannonicus Andrássy 1985
Theristus parambronensis Timm 1954
Theristus paravelox Allgén 1934
Theristus pertenuis Schuurmans Stekhoven 1935
Theristus pictus Gerlach 1951
Theristus polychaetophilus Hopper 1966
Theristus problematicus (Allgén 1927) Wieser 1956
Theristus profundus Blome 1982
Theristus psammophilus Gagarin & Naumova 2012
Theristus pyronasi Gerlach 1965
Theristus rezaki Jensen 1986
Theristus rhynchonemoides Hopper 1961
Theristus roscoffiensis Vitiello 1967
Theristus ruffoi Andrássy 1959
Theristus scanicus Allgén 1949
Theristus siwaschensis Revkova 2020
Theristus sonnae Bussau 1993
Theristus stranus Gerlach 1957
Theristus streltzovi Galtsova, Platonova, Streltsova & Petukhov 1980
Theristus subacer Pavljuk 1984
Theristus subcurvatus Lorenzen 1977
Theristus terricola Andrássy 1985
Theristus tessae Heyns & Coomans 1989
Theristus tsalolikhini Gagarin & Naumova 2012
Theristus turbidus Gagarin & Thanh 2010
Theristus variasetosus Pavljuk 1984
Theristus velox Bastian 1865
Theristus vesentiniae Andrássy 1962
Theristus vivax Leduc & Zhao 2023
Theristus wegelinae Andrássy 1962
Theristus wimmeri Wieser 1959

EOL Dynamic Hierarchy 1.1

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Ecdysozoa
Nematoda
Adenophorea
Monhysterida
Monhysteridae
Theristus
Theristus acer (this page)
Theristus ambronensis Schulz 1936
Theristus arcticus
Theristus australis
Theristus biarcospiculum Timm
Theristus buetschlii Bresslau & Stekhove
Theristus buetschlioides Chitwood 1951
Theristus calx Wieser & Hopper 1967
Theristus camelopardalis
Theristus leptosoma
Theristus littoralis
Theristus metaflavensis Gerlach 1955
Theristus modicus
Theristus oistospiculum (Allgen 1932)
Theristus ostentator Wieser & Hopper 1967
Theristus otoplanobius Gerlach
Theristus paraelaboratus
Theristus parambronensis Timm
Theristus parvulus Timm
Theristus polychaetophilus Hopper 1966
Theristus problematicus (Allgen 1928)
Theristus rhynchonemoides Hopper 1961
Theristus sinuosus Wieser 1959
Theristus uncinatus Wieser 1959
Theristus wimmeri Wieser 1959

EOL Dynamic Hierarchy Version 2.2.4

Theristus acer Bastian 1865 (this page)
Theristus acribus Gerlach 1956
Theristus acriformis (de Man 1922) Gerlach & Riemann 1973
Theristus aculeatus Schulz 1935
Theristus agilis (de Man 1880) Filipjev 1918
Theristus altenbachi Jensen 1991
Theristus anisocirculus Blome 1982
Theristus anisotrichus Lorenzen 1971
Theristus anoxybioticus Jensen 1995
Theristus arcuatospiculus Leduc & Zhao 2023
Theristus athesinus Andrássy 1962
Theristus balticus Lorenzen 1973
Theristus bastiani Gerlach & Riemann 1973
Theristus biarcospiculoides Blome 1982
Theristus biarcospiculum Timm 1954
Theristus bipunctatus (Schneider 1906) Gerlach & Riemann 1973
Theristus blandicor Rachor 1971
Theristus borosi Andrássy 1958
Theristus brevisetosus Alekseev in Alekseev 1992
Theristus bujumbura Tsalolikhin in Tsalolikhin 1989
Theristus calx Wieser & Hopper 1967
Theristus caudasaliens Adams & Tyler 1980
Theristus complexus Jayasree & Warwick 1977
Theristus conicaudatus Allgén 1959
Theristus consobrinus Nguyen Dinh Tu & Gagarin 2017
Theristus copulatus Jensen 1986
Theristus coralis Long, Thu, Gagarin & Tu 2023
Theristus cylindricus Salma, Nasira, Saima & Shahina 2017
Theristus darkovi Tsalolikhin 1993
Theristus denticulatus Warwick 1970
Theristus discolensis Bussau 1993
Theristus diversispiculum Gerlach 1953
Theristus ensifer Gerlach 1951
Theristus filicaudatus Allgén 1959
Theristus flevensis Schuurmans Stekhoven 1935
Theristus franzbergeri Schiemer 1984
Theristus gigas Gagarin & Thanh 2018
Theristus gobiensis (Tsalolikhin 1985)
Theristus gracilis (de Man 1876) Filipjev 1918
Theristus heterospiculoides Gerlach 1953
Theristus heterospiculum (Allgén 1932) Gerlach 1953
Theristus inermis Gerlach 1953
Theristus interstitialis Warwick 1970
Theristus karachiensis (Timm 1963)
Theristus levicapitulus Leduc & Zhao 2023
Theristus lineatus Gerlach 1965
Theristus littoralis Filipjev 1922
Theristus longicollis Blome 1982
Theristus longisetifer Kito & Aryuthaka 1998
Theristus longisetosus Schuurmans Stekhoven & De Coninck 1933
Theristus longispicula Platonova 1971
Theristus longus Platt 1973
Theristus lorenzeni Pastor de Ward 1985
Theristus macer Lorenzen 1973
Theristus macroflevensis Gerlach 1954
Theristus manicatus Wieser 1956
Theristus marinae Tchesunov 1981
Theristus megalaimoides Wieser 1956
Theristus melnikovi Tchesunov 1986
Theristus metaflevensis Gerlach 1955
Theristus meyli Riemann 1966
Theristus minimus Gagarin & Nguyen Vu Thanh 2011
Theristus modicus Wieser 1956
Theristus monstrosus Gerlach 1954
Theristus norwegicus (Allgén 1933) Wieser 1956
Theristus oistospiculum (Allgén 1932)
Theristus orientalis Gagarin & Thanh 2005
Theristus otoplanobius Gerlach 1951
Theristus pakistanesis (Turpeenniemi, Nasira & Maqbool 2001) Fonseca & Bezerra 2013
Theristus pannonicus Andrássy 1985
Theristus parambronensis Timm 1954
Theristus paravelox Allgén 1934
Theristus pertenuis Schuurmans Stekhoven 1935
Theristus pictus Gerlach 1951
Theristus polychaetophilus Hopper 1966
Theristus problematicus (Allgén 1927) Wieser 1956
Theristus profundus Blome 1982
Theristus psammophilus Gagarin & Naumova 2012
Theristus pyronasi Gerlach 1965
Theristus rezaki Jensen 1986
Theristus rhynchonemoides Hopper 1961
Theristus roscoffiensis Vitiello 1967
Theristus ruffoi Andrássy 1959
Theristus scanicus Allgén 1949
Theristus siwaschensis Revkova 2020
Theristus sonnae Bussau 1993
Theristus stranus Gerlach 1957
Theristus streltzovi Galtsova, Platonova, Streltsova & Petukhov 1980
Theristus subacer Pavljuk 1984
Theristus subcurvatus Lorenzen 1977
Theristus terricola Andrássy 1985
Theristus tessae Heyns & Coomans 1989
Theristus tsalolikhini Gagarin & Naumova 2012
Theristus turbidus Gagarin & Thanh 2010
Theristus variasetosus Pavljuk 1984
Theristus velox Bastian 1865
Theristus vesentiniae Andrássy 1962
Theristus vivax Leduc & Zhao 2023
Theristus wegelinae Andrássy 1962
Theristus wimmeri Wieser 1959

GBIF classification

Animalia
Nematoda
Adenophorea
Monhysterida
Monhysteridae
Theristus Bastian 1865
Theristus acer Bastian 1865 (this page)
Theristus acribus Gerlach 1956
Theristus acriformis (de Man 1922)
Theristus ambronensis Schulz 1936
Theristus anisocirculus Blome 1982
Theristus anisotrichus Lorenzen 1972
Theristus arcticus
Theristus athesinus Andrássy 1962
Theristus australis
Theristus balticus Lorenzen 1973
Theristus bastiani Gerlach & Riemann 1973
Theristus bathylaimoides Allgén 1959
Theristus biarcospiculum Timm
Theristus bidontolaimus Allgén 1959
Theristus blandicor Rachor 1971
Theristus brachysetosus Allgén 1959
Theristus buetschlii Bresslau & Stekhove
Theristus buetschlioides Chitwood 1951
Theristus calx Wieser & Hopper 1967
Theristus camelopardalis
Theristus caudasaliens Adams & Tyler 1980
Theristus chitinolaimus (Allgén 1932)
Theristus complexus Jayasree & Warwick 1977
Theristus conicaudatus Allgén 1959
Theristus copulatus Jensen 1986
Theristus denticulatus Warwick 1970
Theristus discolensis Bussau 1993
Theristus diversispiculum Gerlach 1953
Theristus ensifer Gerlach 1951
Theristus falklandiae Allgén 1959
Theristus filicaudatus Allgén 1959
Theristus flevensis Schuurmans Stekhoven 1935
Theristus gobiensis (Tsalolikhin 1985)
Theristus gracilis (de Man 1876)
Theristus helviticus Steiner 1914
Theristus heterospiculoides Gerlach 1953
Theristus heterospiculum (Allgén 1932) Gerlach 1953
Theristus inermis Gerlach 1953
Theristus interstitialis Warwick 1970
Theristus kaszabi Andrássy 1977
Theristus latissimus (Filipjev 1922)
Theristus leptosoma Allgén 1950
Theristus lineatus Gerlach 1965
Theristus lingi (Hoeppli & Chu 1932) Andrássy 1960
Theristus littoralis Filipjev 1922
Theristus longicaudatusviviparus Allgén 1952
Theristus longicollis Blome 1982
Theristus longisetosus De Coninck & Schuurmans Stekhoven 1933
Theristus longispicula Platonova 1971
Theristus longus Platt 1973
Theristus macer Lorenzen 1973
Theristus macroflevensis Gerlach 1954
Theristus macropapillatus Allgén 1959
Theristus manicatus Wieser 1956
Theristus megalaimoides Wieser 1956
Theristus megalaimus (Stewart 1914) Wieser 1956
Theristus melnikovi Tchesunov 1986
Theristus metaflavensis Gerlach 1955
Theristus metaflevensis Gerlach 1955
Theristus meyli Riemann 1966
Theristus modicus Wieser 1956
Theristus monstrosus Gerlach 1954
Theristus neglectus (Cobb 1930) Wieser 1956
Theristus nidrosiensis (Allgén 1933) Wieser 1956
Theristus norwegicus (Allgén 1956)
Theristus obtusicephalus Schuurmans Stekhoven 1950
Theristus oistospiculum (Allgen 1932)
Theristus ostentator Wieser & Hopper 1967
Theristus otoplanobius Gerlach
Theristus pacificus (Johnston 1938) Filipjev 1918
Theristus paraelaboratus
Theristus parambronensis Timm
Theristus parasetosus (Allgén 1928)
Theristus paravelox Allgén 1934
Theristus parvulus Timm
Theristus pellucidus Allgén 1939
Theristus pertenuis Schuurmans Stekhoven 1935
Theristus polychaetophilus Hopper 1966
Theristus pratti Murphy & Canaris 1964
Theristus problematicus (Allgen 1928)
Theristus profundus Blome 1982
Theristus pyronasi Gerlach 1965
Theristus quadripapillatus Decraemer & Coomans 1978
Theristus rezaki Jensen 1986
Theristus rhynchonemoides Hopper 1961
Theristus roscoffiensis Vitiello 1967
Theristus ruffoi Andrássy 1959
Theristus sabulicola (Filipjev 1918) Wieser 1956
Theristus scanicus Allgén 1949
Theristus sinuosus Wieser 1959
Theristus sonnae Bussau 1993
Theristus stichotricha Schuurmans Stekhoven 1950
Theristus strandi Allgén 1934
Theristus stranus Gerlach 1957
Theristus subcurvatus Lorenzen 1977
Theristus tenuicaudatus Allgén 1951
Theristus uncinatus Wieser 1959
Theristus velox (Bastian 1865)
Theristus vesentiniae Andrássy 1962
Theristus wegelinae Andrássy 1962
Theristus wimmeri Wieser 1959
38 additional siblings truncated for brevity.
See the resource file for a full list.

Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy

Animalia
Bilateria
Protostomia
Ecdysozoa
Nematoda
Chromadorea
Chromadoria
Monhysterida
Monhysteridae De Man 1876
Theristus
Theristus acer (this page)
Theristus ambronensis Schulz 1936
Theristus arcticus
Theristus australis
Theristus biarcospiculum Timm
Theristus buetschlii Bresslau & Stekhove
Theristus buetschlioides Chitwood 1951
Theristus calx Wieser & Hopper 1967
Theristus camelopardalis
Theristus leptosoma
Theristus littoralis
Theristus metaflavensis Gerlach 1955
Theristus modicus
Theristus oistospiculum (Allgen 1932)
Theristus ostentator Wieser & Hopper 1967
Theristus otoplanobius Gerlach
Theristus paraelaboratus
Theristus parambronensis Timm
Theristus parvulus Timm
Theristus polychaetophilus Hopper 1966
Theristus problematicus (Allgen 1928)
Theristus rhynchonemoides Hopper 1961
Theristus sinuosus Wieser 1959
Theristus uncinatus Wieser 1959
Theristus wimmeri Wieser 1959

NCBI

root
cellular organisms
Eukaryota
Opisthokonta
Metazoa
Eumetazoa
Bilateria
Protostomia
Ecdysozoa
Nematoda
Chromadorea
Monhysterida
Monhysterina
Xyalidae
Theristus
Theristus acer (this page)
Theristus agilis
Theristus ensifer
Theristus flevensis
Theristus pertenuis
unclassified Theristus

wikidata_hierarchy tar gz

Biota
Eukaryota
Unikonta
Opisthokonta
Holozoa
Filozoa
Apoikozoa
Animalia
Eumetazoa
Bilateria
Protostomia
Ecdysozoa
Cycloneuralia
Nematoida
Nematoda
Adenophorea
Monhysterida
Monhysteridae
Theristus
Theristus acer (this page)
Theristus acer leptosoma
Theristus acanthospiculum
Theristus acribus
Theristus acriformis
Theristus acrilabiatus
Theristus acrolabiatus
Theristus aculeatus
Theristus adiectum
Theristus agilis
Theristus altenbachi
Theristus alternus
Theristus ambrosinensis
Theristus anisocirculus
Theristus anisotrichus
Theristus asymetricus
Theristus athesinus
Theristus balticus
Theristus bastiani
Theristus bathylaimoides
Theristus bathylaimus
Theristus bidontolaimus
Theristus biggi
Theristus bipunctatus
Theristus blandicor
Theristus borosi
Theristus brachysetosus
Theristus brevicollis
Theristus calceolatum
Theristus camelopardis
Theristus caudasaliens
Theristus chitinolaimus
Theristus clavicaudatus
Theristus complexus
Theristus conicaudatus
Theristus conicum
Theristus copulatus
Theristus coronatus
Theristus cylindricus
Theristus denticulatus
Theristus discolensis
Theristus diversispiculum
Theristus donsi
Theristus ensifer
Theristus exutus
Theristus falklandiae
Theristus fallax
Theristus filicaudatus
Theristus filispiculum
Theristus fistulatus
Theristus flevensis
Theristus frictor
Theristus gerlachi
Theristus gigas
Theristus gobiensis
Theristus gracilis
Theristus gronlandicus
Theristus hamatus
Theristus helviticus
Theristus heterospiculoides
Theristus heterospiculum
Theristus hirsutum
Theristus hirtus
Theristus inaequispiculata
Theristus interstitialis
Theristus invagiferous
Theristus latissumus
Theristus leptosomaheristus
Theristus longissimecaudatus
Theristus macquariensis
Theristus marylandicus
Theristus multisetosus
Theristus nanus
Theristus normandicus
Theristus paranormandicus
Theristus parasetosus
Theristus paravelox
Theristus pertenius
Theristus procerum
Theristus procerus
Theristus proprium
Theristus proprius
Theristus quadripapillatus
Theristus scanicus
Theristus setifer
Theristus setosum
Theristus setosus
Theristus siwaschensis
Theristus steineri
Theristus strandi
Theristus subcurvatus
Theristus svalbardensis
Theristus tenuiseta
Theristus tortus
Theristus trabeculosum
Theristus trabeculosus
Theristus trichinus
Theristus velox
Theristus vesentiniae
Theristus vicinus
Theristus xyaliforme
Theristus xyaliformis
107 additional siblings truncated for brevity.
See the resource file for a full list.

World Register of Marine Species

Animalia
Nematoda
Chromadorea
Monhysterida
Xyalidae
Theristus
Theristus acer Bastian 1865 (this page)
Theristus acribus Gerlach 1956
Theristus acriformis (de Man 1922) Gerlach & Riemann 1973
Theristus aculeatus Schulz 1935
Theristus altenbachi Jensen 1991
Theristus anisocirculus Blome 1982
Theristus anisotrichus Lorenzen 1971
Theristus anoxybioticus Jensen 1995
Theristus arcuatospiculus Leduc & Zhao 2023
Theristus balticus Lorenzen 1973
Theristus bastiani Gerlach & Riemann 1973
Theristus biarcospiculoides Blome 1982
Theristus biarcospiculum Timm 1954
Theristus bipunctatus (Schneider 1906) Gerlach & Riemann 1973
Theristus blandicor Rachor 1971
Theristus borosi Andrássy 1958
Theristus brevisetosus Alekseev ex Alekseev 1992
Theristus calx Wieser & Hopper 1967
Theristus caudasaliens Adams & Tyler 1980
Theristus complexus Jayasree & Warwick 1977
Theristus conicaudatus Allgén 1959
Theristus consobrinus Nguyen Dinh Tu & Gagarin 2017
Theristus copulatus Jensen 1986
Theristus coralis Long, Thu, Gagarin & Tu 2023
Theristus cylindricus Salma, Nasira, Saima & Shahina 2017
Theristus denticulatus Warwick 1970
Theristus discolensis Bussau 1993
Theristus diversispiculum Gerlach 1953
Theristus ensifer Gerlach 1951
Theristus filicaudatus Allgén 1959
Theristus flevensis Schuurmans Stekhoven 1935
Theristus gigas Gagarin & Thanh 2018
Theristus gracilis (de Man 1876) Filipjev 1918
Theristus heterospiculoides Gerlach 1953
Theristus heterospiculum (Allgén 1932) Gerlach 1953
Theristus inermis Gerlach 1953
Theristus interstitialis Warwick 1970
Theristus karachiensis (Timm 1963)
Theristus levicapitulus Leduc & Zhao 2023
Theristus lineatus Gerlach 1965
Theristus littoralis Filipjev 1922
Theristus longicollis Blome 1982
Theristus longisetifer Kito & Aryuthaka 1998
Theristus longisetosus Schuurmans Stekhoven & De Coninck 1933
Theristus longispicula Platonova 1971
Theristus longus Platt 1973
Theristus lorenzeni Pastor de Ward 1985
Theristus macer Lorenzen 1973
Theristus macroflevensis Gerlach 1954
Theristus manicatus Wieser 1956
Theristus marinae Tchesunov 1981
Theristus megalaimoides Wieser 1956
Theristus melnikovi Tchesunov 1986
Theristus metaflevensis Gerlach 1955
Theristus meyli Riemann 1966
Theristus minimus Gagarin & Nguyen Vu Thanh 2011
Theristus modicus Wieser 1956
Theristus monstrosus Gerlach 1954
Theristus norwegicus (Allgén 1933) Wieser 1956
Theristus oistospiculum (Allgén 1932)
Theristus orientalis Gagarin & Thanh 2005
Theristus otoplanobius Gerlach 1951
Theristus pakistanesis (Turpeenniemi, Nasira & Maqbool 2001) Fonseca & Bezerra 2013
Theristus parambronensis Timm 1954
Theristus paravelox Allgén 1934
Theristus pertenuis Schuurmans Stekhoven 1935
Theristus pictus Gerlach 1951
Theristus polychaetophilus Hopper 1966
Theristus problematicus (Allgén 1927) Wieser 1956
Theristus profundus Blome 1982
Theristus pyronasi Gerlach 1965
Theristus rezaki Jensen 1986
Theristus rhynchonemoides Hopper 1961
Theristus roscoffiensis Vitiello 1967
Theristus scanicus Allgén 1949
Theristus siwaschensis Revkova 2020
Theristus sonnae Bussau 1993
Theristus stranus Gerlach 1957
Theristus streltzovi Galtsova, Platonova, Streltsova & Petukhov 1980
Theristus subacer Pavljuk 1984
Theristus subcurvatus Lorenzen 1977
Theristus turbidus Gagarin & Thanh 2010
Theristus variasetosus Pavljuk 1984
Theristus velox Bastian 1865
Theristus vivax Leduc & Zhao 2023
Theristus wimmeri Wieser 1959
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