// Workers AI · dad joke modeWhat did Lineus say to his friend? You're a straight line to my heart.

Lineus
Lineus longissimus
Scientific classification
Kingdom:	Animalia
Phylum:	Nemertea
Class:	Pilidiophora
Order:	Heteronemertea
Family:	Lineidae
Genus:	Lineus Sowerby, 1806
Synonyms
Nemertes Cuvier, 1817

Lineus is a genus of nemertine worms, including the bootlace worm, arguably the longest animal alive. Lineus contains the following species:

• Lineus acutifrons Southern, 1913
• Lineus albifrons Coe, 1934
• Lineus albocinctus Verrill, 1900
• Lineus albonasus Verrill, 1900
• Lineus alborostratus Takakura, 1898
• Lineus albus
• Lineus alienus Bürger, 1895
• Lineus anellatus
• Lineus angulosus Korotkevich, 1978
• Lineus arenicola (Verrill, 1873)
• Lineus atradentis Korotkevich, 1978
• Lineus atrocaeruleus (Schmarda, 1859)
• Lineus auripunctatus (Grube, 1855)
• Lineus aurostriatus (Bürger, 1890)
• Lineus australis
• Lineus autrani Joubin, 1905
• Lineus bergendali Senz, 1996
• Lineus bilineatus (Renier, 1804)
• Lineus binigrilinearis Gibson, 1990
• Lineus bioculatus Sundberg & Gibson, 1995
• Lineus bipunctatus Takakura, 1898
• Lineus bonaerensis Moretto, 1971
• Lineus boutani (Joubin, 1893)
• Lineus callaris Korotkevich, 1978
• Lineus cancelli Iwata, 1954
• Lineus capensis Wheeler, 1940
• Lineus caputornatus Takakura, 1898
• Lineus cinereus Punnett, 1903
• Lineus cingulatus (Stimpson, 1855)
• Lineus coccinus Bürger, 1892
• Lineus collaris (Schmarda, 1859)
• Lineus coloratus (Bürger, 1890)
• Lineus copus Corrêa, 1958
• Lineus crosslandi Punnett & Cooper, 1909
• Lineus desori Schmidt, 1946
• Lineus dohrnii (Hubrecht, 1879)
• Lineus fischeri Senz, 1997
• Lineus flammeus
• Lineus flavescens Coe, 1904
• Lineus frauenfeldi Senz, 1997
• Lineus fulvus Iwata, 1954
• Lineus fuscoviridis Takakura, 1898
• Lineus galbanus (Bürger, 1890)
• Lineus gesserensis (O. F. Müller, 1774)
• Lineus gilbus Bürger, 1892
• Lineus gilviceps Sundberg & Gibson, 1995
• Lineus glaucus (Bürger, 1890)
• Lineus grubei (Hubrecht, 1879)
• Lineus hancocki Punnett & Cooper, 1909
• Lineus hiatti Coe, 1947
• Lineus hubrechti (Langerhans, 1880)
• Lineus indicus Punnett & Cooper, 1909
• Lineus insignis Senz, 1993
• Lineus iota Joubin, 1902
• Lineus islandicus Friedrich, 1958
• Lineus kennelii Bürger, 1892
• Lineus kolaensis Ushakov, 1928
• Lineus kristinebergensis Gering, 1912
• Lineus lacticapitatus Wheeler, 1940
• Lineus lancearius Korotkevich, 1978
• Lineus levinensis Korotkevich, 1978
• Lineus linearis Montagu, 1808
• Lineus lobianki Bürger, 1892
• Lineus longifissus sensu Takakura, 1898
• Lineus longifissus sensu Iwata, 1952
• Lineus longissimus (Gunnerus, 1770)
• Lineus marisalbi Ushakov, 1926
• Lineus mascarensis Punnett & Cooper, 1909
• Lineus mcintoshii (Langerhans, 1880)
• Lineus molochinus Bürger, 1892
• Lineus monolineatus Staub, 1900
• Lineus nigrobrunneus Bergendal, 1903
• Lineus nigrofuscus (Stimpson, 1857)
• Lineus nigrostriatus Iwata, 1954
• Lineus nipponensis Senz, 2001
• Lineus obscurus
• Lineus oculatus
• Lineus orientalis Punnett & Cooper, 1901
• Lineus ornatus Wheeler, 1940
• Lineus pallidus Verrill, 1879
• Lineus parvulus Bürger, 1892
• Lineus patulus Isler, 1900
• Lineus pictifrons Coe, 1904
• Lineus picus Corrêa, 1958
• Lineus polyophthalmus (Schmarda, 1859)
• Lineus pseudoruber (Friedrich, 1935)
• Lineus psittacinus (Bürger, 1890)
• Lineus quadratus Korotkevich, 1978
• Lineus ramosus Isler, 1900
• Lineus rovinjensis Senz, 1995
• Lineus ruber (Müller, 1774)
• Lineus rubescens Coe, 1904
• Lineus rufocaudatus Bürger, 1892
• Lineus sainthilairi Ushakov, 1926
• Lineus sanguineus (Rathke, 1799)
• Lineus scandinaviensis Punnett, 1903
• Lineus schmidti Korotkevich, 1978
• Lineus schultzei Senz, 2001
• Lineus sowerbyi Senz, 2001
• Lineus spatiosus Iwata, 1954
• Lineus stigmatus Coe, 1951
• Lineus subcingulatus Takakura, 1898
• Lineus torquatus Coe, 1901
• Lineus trilobulatus Korotkevich, 1978
• Lineus truncatus (Hubrecht, 1887)
• Lineus turqueti Joubin, 1905
• Lineus variegatus Chapuis, 1886
• Lineus versicolor Bürger, 1892
• Lineus viridis (Müller, 1774)
• Lineus viridis Saint-Loup, 1886
• Lineus vittatus (Quoy & Gaimard, 1833)
• Lineus viviparus Isler, 1900