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Creatures » … » Animal » … » Ribbon Worms » … » Tetrastemmatidae » …

Four Eyed Nemertean

Tetrastemma elegans (Girard 1852)

Scientific Names

Preferred Names

Tetrastemma elegans (Girard 1852)
Species recognized by EOL Dynamic Hierarchy April 2022
Reference taxon from World Nemertea Database in Species 2000 & ITIS Catalogue of Life
Tetrastemma elegans
Species recognized by wikipedia NL, Canada Species List, North Atlantic Species List, and NCBI
Tetrastemma elegans (Girard 1852)
Species recognized by EOL Dynamic Hierarchy 1.1, EOL Dynamic Hierarchy 1.1, and GBIF classification
Tetrastemma elegans (Girard 1852)
Recognized by OBIS environmental data records
Tetrastemma elegans
Species recognized by wikidata_hierarchy tar gz, Barcode of Life Data Systems, and Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy
Tetrastemma elegans (Girard 1852)
Species recognized by Catalogue of Life 7 February 2023, Dynamic Hierarchy Version 2.2 - Test, and World Register of Marine Species
Tetrastemma elegans (Girard 1852)
Recognized by NMNH Collection

Alternative Names

Hecate elegans Girard 1852
Not accepted according to EOL Dynamic Hierarchy April 2022
Reference taxon from World Nemertea Database in Species 2000 & ITIS Catalogue of Life
Hecate kelleri Girard 1852
Not accepted according to EOL Dynamic Hierarchy April 2022
Reference taxon from World Nemertea Database in Species 2000 & ITIS Catalogue of Life
Prostoma elegans
Not accepted according to EOL Dynamic Hierarchy April 2022
Reference taxon from World Nemertea Database in Species 2000 & ITIS Catalogue of Life
Hecate elegans Girard 1852
Synonym according to EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1
Hecate kelleri Girard 1852
Synonym according to EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1
Prostoma elegans
Synonym according to EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1
Hecate elegans Girard 1852
Not accepted according to Dynamic Hierarchy Version 2.2 - Test
Hecate elegans Girard 1852
Synonym according to Catalogue of Life 7 February 2023
Hecate kelleri Girard 1852
Not accepted according to Dynamic Hierarchy Version 2.2 - Test
Hecate kelleri Girard 1852
Synonym according to Catalogue of Life 7 February 2023
Prostoma elegans
Not accepted according to Dynamic Hierarchy Version 2.2 - Test
Prostoma elegans
Synonym according to Catalogue of Life 7 February 2023

Common Names

English

four-eyed nemertean preferred
Recognized by World Register of Marine Species

Curated hierarchies for Tetrastemma elegans (Girard 1852)

EOL Dynamic Hierarchy April 2022

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Spiralia
Nemertea
Hoplonemertea
Monostilifera
Tetrastemmatidae
Tetrastemma
Tetrastemma elegans (Girard 1852) (this page)
Tetrastemma aberrans Coe 1901
Tetrastemma albomaculatum Chernyshev 2016
Tetrastemma amphiporoides Bürger 1893
Tetrastemma angulatus Senz 1993
Tetrastemma antarcticum Bürger 1893
Tetrastemma appendiculatum Chernyshev 1998
Tetrastemma arctica Ushakov 1926
Tetrastemma aseptata (Friedrich 1935)
Tetrastemma assimile Örsted 1844
Tetrastemma bacescui Müller 1962
Tetrastemma baculus (Quatrefages 1846)
Tetrastemma basinum Corrêa 1957
Tetrastemma beaumonti (Southern 1913)
Tetrastemma benedeni Czerniavsky 1880
Tetrastemma bilineatum Coe 1904
Tetrastemma bioculatum Örsted 1843
Tetrastemma bistriatum (Timofeeva 1912)
Tetrastemma buxeum Bürger 1895
Tetrastemma cerasinum Bürger 1895
Tetrastemma cincum Corrêa 1957
Tetrastemma coronatum (Quatrefages 1846)
Tetrastemma cruciatum Bürger 1895
Tetrastemma dubium Örsted 1845
Tetrastemma duboisi Bürger 1893
Tetrastemma dutoiti (Wheeler 1940)
Tetrastemma enteroplecta (Corrêa 1954)
Tetrastemma falsum Bürger 1895
Tetrastemma flavidum Ehrenberg 1828
Tetrastemma fozensis Gibson & Junoy 1991
Tetrastemma fulvum Kirsteuer 1963
Tetrastemma georgianum Bürger 1893
Tetrastemma glandulidorsum
Tetrastemma hansi Bürger 1893
Tetrastemma hermaphroditica (Keferstein 1868)
Tetrastemma herouardi (Oxner 1908)
Tetrastemma herthae Corrêa 1963
Tetrastemma incisum Stimpson 1855
Tetrastemma insolens Iwata 1952
Tetrastemma interruptum Bürger 1895
Tetrastemma jeani McCaul 1963
Tetrastemma kefersteinii (Marion 1869)
Tetrastemma kirsteueri Senz 1995
Tetrastemma knochii (Kölliker 1845)
Tetrastemma laminariae Ushakov 1928
Tetrastemma leonillae (Oxner 1908)
Tetrastemma lilianae Corrêa 1958
Tetrastemma longissimum Bürger 1895
Tetrastemma longistriatum Wheeler 1934
Tetrastemma lophoheliae Bergendal 1903
Tetrastemma maivikenensis Wheeler 1934
Tetrastemma marionis Joubin 1890
Tetrastemma melanocephalum (Johnston 1837)
Tetrastemma merula (Corrêa 1954)
Tetrastemma mixtum (Timofeeva 1912)
Tetrastemma montagui Senz 2001
Tetrastemma nanum Corrêa 1957
Tetrastemma nigrolineatum Wheeler 1934
Tetrastemma nimbatum Bürger 1895
Tetrastemma oerstedi Senz 2001
Tetrastemma olgarum Chernyshev 1998
Tetrastemma omicron Joubin 1902
Tetrastemma phaeobasisae Kulikova 1987
Tetrastemma pimaculatum Chernyshev 1998
Tetrastemma pinnatum Iwata 1954
Tetrastemma piolinum Corrêa 1957
Tetrastemma portus Bürger 1895
Tetrastemma primum Corrêa 1954
Tetrastemma pseudocoronatum Chernyshev 1998
Tetrastemma quadristriatum Grube 1869
Tetrastemma quatrefagesi (Bürger 1904)
Tetrastemma reticulatum Coe 1904
Tetrastemma robertianae McIntosh 1874
Tetrastemma rollandi Joubin 1905
Tetrastemma roseocephalum (Yamaoka 1947)
Tetrastemma roseum
Tetrastemma schultzei Czerniavsky 1880
Tetrastemma scutelliferum Bürger 1895
Tetrastemma sexlineatum Coe 1940
Tetrastemma signifer Coe 1904
Tetrastemma simplex (Timofeeva 1912)
Tetrastemma stanleyi Wheeler 1934
Tetrastemma stigmatum Stimpson 1857
Tetrastemma tanikelyensis Kirsteuer 1965
Tetrastemma timofeevai Gibson 1995
Tetrastemma tridentatum Korotkevich 1977
Tetrastemma tristibruna Sundberg & Gibson 1995
Tetrastemma turdum Corrêa 1957
Tetrastemma tutus (Monastero 1930)
Tetrastemma unicolor (Hubrecht 1879)
Tetrastemma vastum Bürger 1895
Tetrastemma verinigrum Iwata 1954
Tetrastemma vermiculus (Quatrefages 1846)
Tetrastemma verrilli (Bürger 1904)
Tetrastemma viera (Timofeeva 1912)
Tetrastemma viperula (Timofeeva 1912)
Tetrastemma virgatum Kirsteuer 1963
Tetrastemma vittigerum (Bürger 1904)
Tetrastemma weddelli Wheeler 1934
Tetrastemma wilsoni Coe 1943
Tetrastemma worki Corrêa 1961
9 additional siblings truncated for brevity.
See the resource file for a full list.

Catalogue of Life 7 February 2023

Biota
Animalia
Nemertea
Hoplonemertea Hubrecht 1879
Monostilifera Brinkmann 1917
Eumonostilifera Chernyshev 2003
Tetrastemmatidae Hubrecht 1879
Tetrastemma Ehrenberg 1831
Tetrastemma elegans (Girard 1852) (this page)
Tetrastemma aberrans Coe 1901
Tetrastemma albomaculatum Chernyshev 2016
Tetrastemma amphiporoides Bürger 1893
Tetrastemma antarcticum Bürger 1893
Tetrastemma appendiculatum Chernyshev 1998
Tetrastemma aseptata (Friedrich 1935)
Tetrastemma bacescui Müller 1962
Tetrastemma beaumonti (Southern 1913)
Tetrastemma bioculatum Örsted 1843
Tetrastemma bistriatum (Timofeeva 1912)
Tetrastemma buxeum Bürger 1895
Tetrastemma candidum (Müller 1774)
Tetrastemma cerasinum Bürger 1895
Tetrastemma cincum Corrêa 1957
Tetrastemma coronatum (Quatrefages 1846)
Tetrastemma cruciatum Bürger 1895
Tetrastemma diadema Hubrecht 1879
Tetrastemma dubium Örsted 1845
Tetrastemma duboisi Bürger 1893
Tetrastemma dutoiti (Wheeler 1940)
Tetrastemma enteroplecta (Corrêa 1954)
Tetrastemma falsum Bürger 1895
Tetrastemma flavidum Ehrenberg 1828
Tetrastemma fozensis Gibson & Junoy 1991
Tetrastemma fulvum Kirsteuer 1963
Tetrastemma georgianum Bürger 1893
Tetrastemma glanduliferum Bürger 1895
Tetrastemma hansi Bürger 1893
Tetrastemma hermaphroditica (Keferstein 1868)
Tetrastemma herouardi (Oxner 1908)
Tetrastemma herthae Corrêa 1963
Tetrastemma humilis (Quatrefages 1846)
Tetrastemma incisum Stimpson 1855
Tetrastemma insolens Iwata 1952
Tetrastemma interruptum Bürger 1895
Tetrastemma jeani McCaul 1963
Tetrastemma kangauzi Chernyshev 2003
Tetrastemma kefersteinii (Marion 1869)
Tetrastemma kirsteueri Senz 1995
Tetrastemma knochii (Kölliker 1845)
Tetrastemma laminariae Ushakov 1928
Tetrastemma leonillae (Oxner 1908)
Tetrastemma lilianae Corrêa 1958
Tetrastemma longissimum Bürger 1895
Tetrastemma longistriatum Wheeler 1934
Tetrastemma lophoheliae Bergendal 1903
Tetrastemma maivikenensis Wheeler 1934
Tetrastemma marionis Joubin 1890
Tetrastemma melanocephalum (Johnston 1837)
Tetrastemma merula (Corrêa 1954)
Tetrastemma mixtum (Timofeeva 1912)
Tetrastemma montagui Senz 2001
Tetrastemma nanum Corrêa 1957
Tetrastemma nigrolineatum Wheeler 1934
Tetrastemma nimbatum Bürger 1895
Tetrastemma oerstedi Senz 2001
Tetrastemma olgarum Chernyshev 1998
Tetrastemma omicron Joubin 1902
Tetrastemma phaeobasisae Kulikova 1987
Tetrastemma pimaculatum Chernyshev 1998
Tetrastemma pinnatum Iwata 1954
Tetrastemma piolinum Corrêa 1957
Tetrastemma portus Bürger 1895
Tetrastemma primum Corrêa 1954
Tetrastemma pseudocoronatum Chernyshev 1998
Tetrastemma quadrilineatum Coe 1904
Tetrastemma quadristriatum Grube 1869
Tetrastemma quadristriatum Langerhans 1880
Tetrastemma quatrefagesi (Bürger 1904)
Tetrastemma reticulatum Coe 1904
Tetrastemma robertianae McIntosh 1874
Tetrastemma rollandi Joubin 1905
Tetrastemma roseocephalum (Yamaoka 1947)
Tetrastemma roseum
Tetrastemma schultzei Czerniavsky 1880
Tetrastemma scutelliferum Bürger 1895
Tetrastemma sexlineatum Coe 1940
Tetrastemma signifer Coe 1904
Tetrastemma simplex (Timofeeva 1912)
Tetrastemma stanleyi Wheeler 1934
Tetrastemma stigmatum Stimpson 1857
Tetrastemma subpellucidum Ørsted 1843
Tetrastemma suhmi (Bürger 1904)
Tetrastemma tanikelyensis Kirsteuer 1965
Tetrastemma timofeevai Gibson 1995
Tetrastemma tristibruna Sundberg & Gibson 1995
Tetrastemma turdum Corrêa 1957
Tetrastemma tutus (Monastero 1930)
Tetrastemma unicolor (Hubrecht 1879)
Tetrastemma vastum Bürger 1895
Tetrastemma verinigrum Iwata 1954
Tetrastemma vermiculus (Quatrefages 1846)
Tetrastemma verrilli (Bürger 1904)
Tetrastemma viera (Timofeeva 1912)
Tetrastemma viperula (Timofeeva 1912)
Tetrastemma virgatum Kirsteuer 1963
Tetrastemma vittigerum (Bürger 1904)
Tetrastemma weddelli Wheeler 1934
Tetrastemma wilsoni Coe 1943
Tetrastemma worki Corrêa 1961
8 additional siblings truncated for brevity.
See the resource file for a full list.

Dynamic Hierarchy Version 2.2 - Test

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Spiralia
Nemertea
Hoplonemertea
Monostilifera
Tetrastemmatidae
Tetrastemma
Tetrastemma elegans (Girard 1852) (this page)
Tetrastemma aberrans Coe 1901
Tetrastemma albomaculatum Chernyshev 2016
Tetrastemma amphiporoides Bürger 1893
Tetrastemma angulatus Senz 1993
Tetrastemma antarcticum Bürger 1893
Tetrastemma appendiculatum Chernyshev 1998
Tetrastemma arctica Ushakov 1926
Tetrastemma aseptata (Friedrich 1935)
Tetrastemma assimile Örsted 1844
Tetrastemma bacescui Müller 1962
Tetrastemma baculus (Quatrefages 1846)
Tetrastemma basinum Corrêa 1957
Tetrastemma beaumonti (Southern 1913)
Tetrastemma benedeni Czerniavsky 1880
Tetrastemma bilineatum Coe 1904
Tetrastemma bioculatum Örsted 1843
Tetrastemma bistriatum (Timofeeva 1912)
Tetrastemma buxeum Bürger 1895
Tetrastemma cerasinum Bürger 1895
Tetrastemma cincum Corrêa 1957
Tetrastemma coronatum (Quatrefages 1846)
Tetrastemma cruciatum Bürger 1895
Tetrastemma dubium Örsted 1845
Tetrastemma duboisi Bürger 1893
Tetrastemma dutoiti (Wheeler 1940)
Tetrastemma enteroplecta (Corrêa 1954)
Tetrastemma falsum Bürger 1895
Tetrastemma flavidum Ehrenberg 1828
Tetrastemma fozensis Gibson & Junoy 1991
Tetrastemma fulvum Kirsteuer 1963
Tetrastemma georgianum Bürger 1893
Tetrastemma glandulidorsum
Tetrastemma hansi Bürger 1893
Tetrastemma hermaphroditica (Keferstein 1868)
Tetrastemma herouardi (Oxner 1908)
Tetrastemma herthae Corrêa 1963
Tetrastemma incisum Stimpson 1855
Tetrastemma insolens Iwata 1952
Tetrastemma interruptum Bürger 1895
Tetrastemma jeani McCaul 1963
Tetrastemma kefersteinii (Marion 1869)
Tetrastemma kirsteueri Senz 1995
Tetrastemma knochii (Kölliker 1845)
Tetrastemma laminariae Ushakov 1928
Tetrastemma leonillae (Oxner 1908)
Tetrastemma lilianae Corrêa 1958
Tetrastemma longissimum Bürger 1895
Tetrastemma longistriatum Wheeler 1934
Tetrastemma lophoheliae Bergendal 1903
Tetrastemma maivikenensis Wheeler 1934
Tetrastemma marionis Joubin 1890
Tetrastemma melanocephalum (Johnston 1837)
Tetrastemma merula (Corrêa 1954)
Tetrastemma mixtum (Timofeeva 1912)
Tetrastemma montagui Senz 2001
Tetrastemma nanum Corrêa 1957
Tetrastemma nigrolineatum Wheeler 1934
Tetrastemma nimbatum Bürger 1895
Tetrastemma oerstedi Senz 2001
Tetrastemma olgarum Chernyshev 1998
Tetrastemma omicron Joubin 1902
Tetrastemma phaeobasisae Kulikova 1987
Tetrastemma pimaculatum Chernyshev 1998
Tetrastemma pinnatum Iwata 1954
Tetrastemma piolinum Corrêa 1957
Tetrastemma portus Bürger 1895
Tetrastemma primum Corrêa 1954
Tetrastemma pseudocoronatum Chernyshev 1998
Tetrastemma quadristriatum Grube 1869
Tetrastemma quatrefagesi (Bürger 1904)
Tetrastemma reticulatum Coe 1904
Tetrastemma robertianae McIntosh 1874
Tetrastemma rollandi Joubin 1905
Tetrastemma roseocephalum (Yamaoka 1947)
Tetrastemma roseum
Tetrastemma schultzei Czerniavsky 1880
Tetrastemma scutelliferum Bürger 1895
Tetrastemma sexlineatum Coe 1940
Tetrastemma signifer Coe 1904
Tetrastemma simplex (Timofeeva 1912)
Tetrastemma stanleyi Wheeler 1934
Tetrastemma stigmatum Stimpson 1857
Tetrastemma tanikelyensis Kirsteuer 1965
Tetrastemma timofeevai Gibson 1995
Tetrastemma tridentatum Korotkevich 1977
Tetrastemma tristibruna Sundberg & Gibson 1995
Tetrastemma turdum Corrêa 1957
Tetrastemma tutus (Monastero 1930)
Tetrastemma unicolor (Hubrecht 1879)
Tetrastemma vastum Bürger 1895
Tetrastemma verinigrum Iwata 1954
Tetrastemma vermiculus (Quatrefages 1846)
Tetrastemma verrilli (Bürger 1904)
Tetrastemma viera (Timofeeva 1912)
Tetrastemma viperula (Timofeeva 1912)
Tetrastemma virgatum Kirsteuer 1963
Tetrastemma vittigerum (Bürger 1904)
Tetrastemma weddelli Wheeler 1934
Tetrastemma wilsoni Coe 1943
Tetrastemma worki Corrêa 1961
9 additional siblings truncated for brevity.
See the resource file for a full list.

EOL Dynamic Hierarchy 1.1

Life
Cellular Organisms
Eukaryota
Opisthokonta
Metazoa
Bilateria
Protostomia
Spiralia
Nemertea
Enopla
Monostilifera
Tetrastemmatidae
Tetrastemma
Tetrastemma elegans (Girard 1852) (this page)
Tetrastemma aberrans Coe 1901
Tetrastemma albomaculatum Chernyshev 2016
Tetrastemma amphiporoides Bürger 1893
Tetrastemma angulatus Senz 1993
Tetrastemma antarcticum Bürger 1893
Tetrastemma appendiculatum Chernyshev 1998
Tetrastemma arctica Ushakov 1926
Tetrastemma aseptata (Friedrich 1935)
Tetrastemma assimile Örsted 1844
Tetrastemma bacescui Müller 1962
Tetrastemma baculus (Quatrefages 1846)
Tetrastemma basinum Corrêa 1957
Tetrastemma beaumonti (Southern 1913)
Tetrastemma benedeni Czerniavsky 1880
Tetrastemma bilineatum Coe 1904
Tetrastemma bioculatum Örsted 1843
Tetrastemma bistriatum (Timofeeva 1912)
Tetrastemma buxeum Bürger 1895
Tetrastemma cerasinum Bürger 1895
Tetrastemma cincum Corrêa 1957
Tetrastemma coronatum (Quatrefages 1846)
Tetrastemma cruciatum Bürger 1895
Tetrastemma dubium Örsted 1845
Tetrastemma duboisi Bürger 1893
Tetrastemma dutoiti (Wheeler 1940)
Tetrastemma enteroplecta (Corrêa 1954)
Tetrastemma falsum Bürger 1895
Tetrastemma flavidum Ehrenberg 1828
Tetrastemma fozensis Gibson & Junoy 1991
Tetrastemma fulvum Kirsteuer 1963
Tetrastemma georgianum Bürger 1893
Tetrastemma glandulidorsum
Tetrastemma hansi Bürger 1893
Tetrastemma hermaphroditica (Keferstein 1868)
Tetrastemma herouardi (Oxner 1908)
Tetrastemma herthae Corrêa 1963
Tetrastemma incisum Stimpson 1855
Tetrastemma insolens Iwata 1952
Tetrastemma interruptum Bürger 1895
Tetrastemma jeani Mc Caul 1963
Tetrastemma kefersteinii (Marion 1869)
Tetrastemma kirsteueri Senz 1995
Tetrastemma knochii (Kölliker 1845)
Tetrastemma laminariae Ushakov 1928
Tetrastemma leonillae (Oxner 1908)
Tetrastemma lilianae Correa 1958
Tetrastemma longissimum Bürger 1895
Tetrastemma longistriatum Wheeler 1934
Tetrastemma lophoheliae Bergendal 1903
Tetrastemma maivikenensis Wheeler 1934
Tetrastemma marionis Joubin 1890
Tetrastemma melanocephalum (Johnston 1837)
Tetrastemma merula (Corrêa 1954)
Tetrastemma mixtum (Timofeeva 1912)
Tetrastemma montagui Senz 2001
Tetrastemma nanum Corrêa 1957
Tetrastemma nigrolineatum Wheeler 1934
Tetrastemma nimbatum Bürger 1895
Tetrastemma oerstedi Senz 2001
Tetrastemma olgarum Chernyshev 1998
Tetrastemma omicron Joubin 1902
Tetrastemma phaeobasisae Kulikova 1987
Tetrastemma pimaculatum Chernyshev 1998
Tetrastemma pinnatum Iwata 1954
Tetrastemma piolinum Corrêa 1957
Tetrastemma portus Bürger 1895
Tetrastemma primum Corrêa 1954
Tetrastemma pseudocoronatum Chernyshev 1998
Tetrastemma quadristriatum Grube 1869
Tetrastemma quatrefagesi (Bürger 1904)
Tetrastemma reticulatum Coe 1904
Tetrastemma robertianae Mc Intosh 1874
Tetrastemma rollandi Joubin 1905
Tetrastemma roseocephalum (Yamaoka 1947)
Tetrastemma roseum
Tetrastemma schultzei Czerniavsky 1880
Tetrastemma scutelliferum Bürger 1895
Tetrastemma sexlineatum Coe 1940
Tetrastemma signifer Coe 1904
Tetrastemma simplex (Timofeeva 1912)
Tetrastemma stanleyi Wheeler 1934
Tetrastemma stigmatum Stimpson 1857
Tetrastemma tanikelyensis Kirsteuer 1965
Tetrastemma timofeevai Gibson 1995
Tetrastemma tridentatum Korotkevich 1977
Tetrastemma tristibruna Sundberg & Gibson 1995
Tetrastemma turdum Corrêa 1957
Tetrastemma tutus (Monastero 1930)
Tetrastemma unicolor (Hubrecht 1879)
Tetrastemma vastum Bürger 1895
Tetrastemma verinigrum Iwata 1954
Tetrastemma vermiculus (Quatrefages 1846)
Tetrastemma verrilli (Bürger 1904)
Tetrastemma viera (Timofeeva 1912)
Tetrastemma viperula (Timofeeva 1912)
Tetrastemma virgatum Kirsteuer 1963
Tetrastemma vittigerum (Bürger 1904)
Tetrastemma weddelli Wheeler 1934
Tetrastemma wilsoni Coe 1943
Tetrastemma worki Corrêa 1961
9 additional siblings truncated for brevity.
See the resource file for a full list.

GBIF classification

Animalia
Nemertea
Hoplonemertea
Monostilifera
Tetrastemmatidae
Tetrastemma Ehrenberg 1828
Tetrastemma elegans (Girard 1852) (this page)
Tetrastemma aberrans Coe 1901
Tetrastemma ambiguum Riches 1893
Tetrastemma amphiporoides Bürger 1893
Tetrastemma angulatus Senz 1993
Tetrastemma antarcticum Bürger 1893
Tetrastemma appendiculatum Chernyshev 1998
Tetrastemma arctica Ushakov 1926
Tetrastemma assimile Örsted 1844
Tetrastemma bacescui Müller 1962
Tetrastemma baculus (Quatrefages 1846)
Tetrastemma basinum Corrêa 1957
Tetrastemma beaumonti (Southern 1913)
Tetrastemma benedeni Czerniavsky 1880
Tetrastemma bilineatum Coe 1904
Tetrastemma bioculatum Ørsted 1843
Tetrastemma bistriatum (Timofeeva 1912)
Tetrastemma buxeum Bürger 1895
Tetrastemma candidum (Müller 1774)
Tetrastemma cerasinum Bürger 1895
Tetrastemma cincum Corrêa 1957
Tetrastemma coronatum (Quatrefages 1846)
Tetrastemma cruciatum Bürger 1895
Tetrastemma diadema Hubrecht 1879
Tetrastemma dubium Örsted 1845
Tetrastemma duboisi Bürger 1893
Tetrastemma dutoiti (Wheeler 1940)
Tetrastemma enteroplecta (Corrêa 1954)
Tetrastemma falsum Bürger 1895
Tetrastemma flavidum Ehrenberg 1828
Tetrastemma fozensis Gibson & Junoy 1991
Tetrastemma georgianum Bürger 1893
Tetrastemma glandulidorsum
Tetrastemma glanduliferum Bürger 1895
Tetrastemma hansi Bürger 1893
Tetrastemma hermaphroditica (Keferstein 1868)
Tetrastemma herouardi (Oxner 1908)
Tetrastemma herthae Corrêa 1963
Tetrastemma humilis (Quatrefages 1846)
Tetrastemma incisum Stimpson 1855
Tetrastemma insolens Iwata 1952
Tetrastemma interruptum Bürger 1895
Tetrastemma jeani Mc Caul 1963
Tetrastemma kefersteinii (Marion 1869)
Tetrastemma kirsteueri Senz 1995
Tetrastemma knochii (Kölliker 1845)
Tetrastemma laminariae Ushakov 1928
Tetrastemma leonillae (Oxner 1908)
Tetrastemma lilianae Corrêa 1958
Tetrastemma longissimum Bürger 1895
Tetrastemma longistriatum Wheeler 1934
Tetrastemma lophoheliae Bergendal 1903
Tetrastemma maivikenensis Wheeler 1934
Tetrastemma marionis Joubin 1890
Tetrastemma melanocephalum (Johnston 1837)
Tetrastemma mixtum (Timofeeva 1912)
Tetrastemma nanum Corrêa 1957
Tetrastemma nigrolineatum Wheeler 1934
Tetrastemma nimbatum Bürger 1895
Tetrastemma olgarum Chernyshev 1998
Tetrastemma omicron Joubin 1902
Tetrastemma phaeobasisae Kulikova 1987
Tetrastemma pimaculatum Chernyshev 1998
Tetrastemma pinnatum Iwata 1954
Tetrastemma portus Bürger 1895
Tetrastemma primum Corrêa 1954
Tetrastemma pseudocoronatum Chernyshev 1998
Tetrastemma quadrilineatum Coe 1904
Tetrastemma quadristriatum Grube 1869
Tetrastemma quatrefagesi (Bürger 1904)
Tetrastemma reticulatum Coe 1904
Tetrastemma robertianae Mc Intosh 1874
Tetrastemma rollandi Joubin 1905
Tetrastemma roseocephalum (Yamaoka 1947)
Tetrastemma roseum
Tetrastemma schultzei Czerniavsky 1880
Tetrastemma scutelliferum Bürger 1895
Tetrastemma sexlineatum Coe 1940
Tetrastemma signifer Coe 1904
Tetrastemma simplex (Timofeeva 1912)
Tetrastemma stanleyi Wheeler 1934
Tetrastemma stigmatum Stimpson 1857
Tetrastemma subpellucidum Ørsted 1843
Tetrastemma suhmi (Bürger 1904)
Tetrastemma tanikelyensis Kirsteuer 1965
Tetrastemma timofeevai Gibson 1995
Tetrastemma tridentatum Korotkevich 1977
Tetrastemma tristibruna Sundberg & Gibson 1995
Tetrastemma turdum Corrêa 1957
Tetrastemma tutus (Monastero 1930)
Tetrastemma unicolor (Hubrecht 1879)
Tetrastemma vastum Bürger 1895
Tetrastemma verinigrum Iwata 1954
Tetrastemma vermiculus (Quatrefages 1846)
Tetrastemma verrilli (Bürger 1904)
Tetrastemma viera (Timofeeva 1912)
Tetrastemma viperula (Timofeeva 1912)
Tetrastemma virgatum Kirsteuer 1963
Tetrastemma weddelli Wheeler 1934
Tetrastemma wilsoni Coe 1943
Tetrastemma worki Corrêa 1961
8 additional siblings truncated for brevity.
See the resource file for a full list.

Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy

Animalia
Bilateria
Protostomia
Spiralia
Nemertea
Neonemertea
Hoplonemertea
Monostilifera
Tetrastemmatidae
Tetrastemma
Tetrastemma elegans (this page)
Tetrastemma aberrans
Tetrastemma albida
Tetrastemma ambiguum Riches 1893
Tetrastemma beaumonti (Southern 1913)
Tetrastemma bicolor
Tetrastemma bilineatum
Tetrastemma candidum
Tetrastemma cephalophorum Burger 1895
Tetrastemma coronatum (Quatrefages 1846)
Tetrastemma flavidum Ehrenberg 1831
Tetrastemma fozensis Gibson & Junoy 1991
Tetrastemma helvolum Burger 1895
Tetrastemma herouardi (Oxner 1908)
Tetrastemma jeani
Tetrastemma longissimum Burger 1895
Tetrastemma melanocephalum
Tetrastemma nigrifrons
Tetrastemma peltatum Burger 1895
Tetrastemma quadrilineatum
Tetrastemma quatrefagesi Burger 1904
Tetrastemma reticulatum
Tetrastemma robertianae Mcintosh 1873
Tetrastemma sexlineatum
Tetrastemma signifer
Tetrastemma vermiculus
Tetrastemma verrilli
Tetrastemma vittatum
Tetrastemma wilsoni
Tetrastemma worki Correa 1961

NCBI

root
cellular organisms
Eukaryota
Opisthokonta
Metazoa
Eumetazoa
Bilateria
Protostomia
Spiralia
Lophotrochozoa
Nemertea
Enopla
Hoplonemertea
Monostilifera
Eumonostilifera
Tetrastemmatidae
Tetrastemma
Tetrastemma elegans (this page)
Tetrastemma albidum
Tetrastemma bilineatum
Tetrastemma candidum
Tetrastemma coronatum
Tetrastemma enteroplecta
Tetrastemma flavidum
Tetrastemma laminariae
Tetrastemma longissimum
Tetrastemma melanocephalum
Tetrastemma olgarum
Tetrastemma peltatum
Tetrastemma pimaculatum
Tetrastemma robertianae
Tetrastemma roseocephalum
Tetrastemma stimpsoni
Tetrastemma vermiculus
Tetrastemma vittigerum
Tetrastemma wilsoni
Tetrastemma yamaokai
unclassified Tetrastemma

wikidata_hierarchy tar gz

Biota
Eukaryota
Unikonta
Opisthokonta
Holozoa
Filozoa
Apoikozoa
Animalia
Eumetazoa
Bilateria
Protostomia
Lophotrochozoa
Nemertea
Enopla
Tetrastemmatidae
Tetrastemma
Tetrastemma elegans (this page)
Amphinemertes caeca
Tetrastemma ambiguum
Tetrastemma amphiporoides
Tetrastemma angulatus
Tetrastemma appendiculatum
Tetrastemma armatum
Tetrastemma aseptata
Tetrastemma assimile
Tetrastemma bacescui
Tetrastemma baculus
Tetrastemma basinum
Tetrastemma beaumonti
Tetrastemma bilineatum
Tetrastemma bioculatum
Tetrastemma bistriatum
Tetrastemma buxeum
Tetrastemma candida
Tetrastemma candidum
Tetrastemma cerasinum
Tetrastemma cincum
Tetrastemma coronatum
Tetrastemma cruciatum
Tetrastemma duboisi
Tetrastemma enteroplecta
Tetrastemma esbenseni
Tetrastemma falsum
Tetrastemma flavida
Tetrastemma flavidum
Tetrastemma fulvum
Tetrastemma georgianum
Tetrastemma glandulidorsum
Tetrastemma glanduliferum
Tetrastemma hansi
Tetrastemma hermaphroditica
Tetrastemma herouardi
Tetrastemma herthae
Tetrastemma humilis
Tetrastemma incisum
Tetrastemma insolens
Tetrastemma interruptum
Tetrastemma jeani
Tetrastemma kangauzi
Tetrastemma kefersteinii
Tetrastemma kirsteueri
Tetrastemma knochii
Tetrastemma laminariae
Tetrastemma leonillae
Tetrastemma lilianae
Tetrastemma longistriatum
Tetrastemma marmoratum
Tetrastemma melanocephalum
Tetrastemma merula
Tetrastemma mixtum
Tetrastemma montagui
Tetrastemma nanum
Tetrastemma nigrolineatum
Tetrastemma nimbatum
Tetrastemma oerstedi
Tetrastemma olgarum
Tetrastemma omicron
Tetrastemma phaeobasisae
Tetrastemma pimaculatum
Tetrastemma pinnatum
Tetrastemma piolinum
Tetrastemma portus
Tetrastemma primum
Tetrastemma pseudocoronatum
Tetrastemma quadrilineatum
Tetrastemma quadristriatum
Tetrastemma quatrefagesi
Tetrastemma reticulatum
Tetrastemma robertianae
Tetrastemma roseocephalum
Tetrastemma scutelliferum
Tetrastemma sexlineatum
Tetrastemma signifer
Tetrastemma simplex
Tetrastemma stanleyi
Tetrastemma stigmatum
Tetrastemma subpellucidum
Tetrastemma suhmi
Tetrastemma tanikelyensis
Tetrastemma timofeevai
Tetrastemma tridentatum
Tetrastemma tristibruna
Tetrastemma turdum
Tetrastemma tutus
Tetrastemma unicolor
Tetrastemma unilineatum
Tetrastemma vastum
Tetrastemma verinigrum
Tetrastemma vermiculus
Tetrastemma verrilli
Tetrastemma viera
Tetrastemma viperula
Tetrastemma virgatum
Tetrastemma vittigerum
Tetrastemma wilsoni
Tetrastemma worki
Tetrastemma yamaokai
29 additional siblings truncated for brevity.
See the resource file for a full list.

World Register of Marine Species

Animalia
Nemertea
Hoplonemertea
Monostilifera
Tetrastemmatidae
Tetrastemma
Tetrastemma elegans (Girard 1852) (this page)
Tetrastemma aberrans Coe 1901
Tetrastemma ambiguum Riches 1893
Tetrastemma amphiporoides Bürger 1893
Tetrastemma angulatus Senz 1993
Tetrastemma antarcticum Bürger 1893
Tetrastemma appendiculatum Chernyshev 1998
Tetrastemma arctica Ushakov 1926
Tetrastemma aseptata (Friedrich 1935)
Tetrastemma assimile Örsted 1844
Tetrastemma bacescui Müller 1962
Tetrastemma baculus (Quatrefages 1846)
Tetrastemma basinum Corrêa 1957
Tetrastemma beaumonti (Southern 1913)
Tetrastemma benedeni Czerniavsky 1880
Tetrastemma bilineatum Coe 1904
Tetrastemma bioculatum Örsted 1843
Tetrastemma bistriatum (Timofeeva 1912)
Tetrastemma buxeum Bürger 1895
Tetrastemma candidum (Müller 1774)
Tetrastemma cerasinum Bürger 1895
Tetrastemma cincum Corrêa 1957
Tetrastemma coronatum (Quatrefages 1846)
Tetrastemma cruciatum Bürger 1895
Tetrastemma diadema Hubrecht 1879
Tetrastemma dubium Örsted 1845
Tetrastemma duboisi Bürger 1893
Tetrastemma dutoiti (Wheeler 1940)
Tetrastemma enteroplecta (Corrêa 1954)
Tetrastemma falsum Bürger 1895
Tetrastemma flavidum Ehrenberg 1828
Tetrastemma fozensis Gibson & Junoy 1991
Tetrastemma fulvum Kirsteuer 1963
Tetrastemma georgianum Bürger 1893
Tetrastemma glanduliferum Bürger 1895
Tetrastemma hansi Bürger 1893
Tetrastemma hermaphroditica (Keferstein 1868)
Tetrastemma herouardi (Oxner 1908)
Tetrastemma herthae Corrêa 1963
Tetrastemma humilis (Quatrefages 1846)
Tetrastemma incisum Stimpson 1855
Tetrastemma insolens Iwata 1952
Tetrastemma interruptum Bürger 1895
Tetrastemma jeani McCaul 1963
Tetrastemma kefersteinii (Marion 1869)
Tetrastemma kirsteueri Senz 1995
Tetrastemma knochii (Kölliker 1845)
Tetrastemma laminariae Ushakov 1928
Tetrastemma leonillae (Oxner 1908)
Tetrastemma lilianae Corrêa 1958
Tetrastemma longissimum Bürger 1895
Tetrastemma longistriatum Wheeler 1934
Tetrastemma lophoheliae Bergendal 1903
Tetrastemma maivikenensis Wheeler 1934
Tetrastemma marionis Joubin 1890
Tetrastemma melanocephalum (Johnston 1837)
Tetrastemma merula (Corrêa 1954)
Tetrastemma mixtum (Timofeeva 1912)
Tetrastemma nanum Corrêa 1957
Tetrastemma nigrolineatum Wheeler 1934
Tetrastemma nimbatum Bürger 1895
Tetrastemma olgarum Chernyshev 1998
Tetrastemma omicron Joubin 1902
Tetrastemma phaeobasisae Kulikova 1987
Tetrastemma pimaculatum Chernyshev 1998
Tetrastemma pinnatum Iwata 1954
Tetrastemma piolinum Corrêa 1957
Tetrastemma portus Bürger 1895
Tetrastemma primum Corrêa 1954
Tetrastemma pseudocoronatum Chernyshev 1998
Tetrastemma quadrilineatum Coe 1904
Tetrastemma quadristriatum Langerhans 1880
Tetrastemma quatrefagesi (Bürger 1904)
Tetrastemma reticulatum Coe 1904
Tetrastemma robertianae McIntosh 1874
Tetrastemma rollandi Joubin 1905
Tetrastemma roseocephalum (Yamaoka 1947)
Tetrastemma scutelliferum Bürger 1895
Tetrastemma sexlineatum Coe 1940
Tetrastemma signifer Coe 1904
Tetrastemma simplex (Timofeeva 1912)
Tetrastemma stanleyi Wheeler 1934
Tetrastemma stigmatum Stimpson 1857
Tetrastemma subpellucidum Ørsted 1843
Tetrastemma suhmi (Bürger 1904)
Tetrastemma tanikelyensis Kirsteuer 1965
Tetrastemma timofeevai Gibson 1995
Tetrastemma tristibruna Sundberg & Gibson 1995
Tetrastemma turdum Corrêa 1957
Tetrastemma tutus (Monastero 1930)
Tetrastemma unicolor (Hubrecht 1879)
Tetrastemma vastum Bürger 1895
Tetrastemma verinigrum Iwata 1954
Tetrastemma vermiculus (Quatrefages 1846)
Tetrastemma verrilli (Bürger 1904)
Tetrastemma viera (Timofeeva 1912)
Tetrastemma viperula (Timofeeva 1912)
Tetrastemma virgatum Kirsteuer 1963
Tetrastemma vittigerum (Bürger 1904)
Tetrastemma weddelli Wheeler 1934
Tetrastemma wilsoni Coe 1943
11 additional siblings truncated for brevity.
See the resource file for a full list.
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