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Lake Baikal (Baykal, Holy Sea),  Russia
latitude: 54     
longitude: 109     
Precision of location: Alexandria Digital Library (with NGA GNDB data) 
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication 
| Diplosiphon livanovi | 2-3 m | |||
| Diplosiphon tetrastylus | 1982-1984 | 2-3 m | ||
| Diplosiphon baekmanae | Feb 15, 1982 | 2-3 m | ||
| Diplosiphon macrorhynchus | Sep 9, 1984 | 80 m | ||
| Diplosiphon macrorhynchus | Sep 10, 1984 | 100 m | ||
| Diplosiphon baekmanae | Jul 14, 1982 | 2 m | ||
| Diplosiphon ninae | Sep 10, 1984 | 25 m | ||
| Diplosiphon microstylus | Sep 10, 1984 | 25 m | ||
| Diplosiphon baikalensis | Jul 19, 1982 | 25 m | ||
| Diplosiphon baikalensis | Sep 17, 1984 | 12-14 m | ||
| Baicalarctia gula | 1926 or earlier | |||
| Mesostoma ehrenbergii | 1926 or earlier | |||
| Prorhynchus baikalensis | 1982-1997 | 2-430 m | The worms appear to be distributed all around the lake, including the abyssal zone of Northern Baikal. Generally soft sediments. | |
| Geocentrophora incognita | 1999 or earlier | |||
| Geocentrophora porfirievae | 1999 or earlier | |||
| Geocentrophora intersticialis | 1999 or earlier | |||
| Geocentrophora levanidorum | 1999 or earlier | |||
| Geocentrophora wagini | 1999 or earlier | |||
| Baicalellia baicali | 1930 or earlier | |||
| baicali bicornis | 1930 or earlier | |||
| Baicalellia albicauda | 1930 or earlier | |||
| Baicalellia nigrofasciata | 1930 or earlier | |||
| Baicalellia pellucida | 1930 or earlier | |||
| Baicalellia maculata | 1930 or earlier | |||
| maculata nigra | 1930 or earlier | |||
| maculata coerulea | 1930 or earlier | |||
| Baicalellia ocellata | 1930 or earlier | |||
| Baicalellia posieti | 1930 or earlier | |||
| Planaria nigrofasciata | 1917 | |||
| Rimacephalus bistriatus | 1901 or earlier | |||
| Polycelis linkoi | 1902 or earlier | |||
| Planaria onegensis | 1902 or earlier | |||
| Sorocelis leucocephala | 1903 or earlier | |||
| Sorocelis fungiformis | 1903 or earlier | |||
| Protocotylus fungiformis | 1903 or earlier | |||
| Sorocelis lineata | 1903 or earlier | |||
| Sorocelis guttata | 1903 or earlier | |||
| Sorocelis hepatizon | 1903 or earlier | |||
| Sorocelis tigrina | 1903 or earlier | |||
| Rimacephalus punctatus | 1903 or earlier | |||
| Procotyla baicalensis | 1903 or earlier | |||
| Planaria armata | 1903 or earlier | |||
| Phagocata sibirica | 1903 or earlier | |||
| Fonticola sibirica | 1903 or earlier | |||
| Planaria dybowskyi | 1903 or earlier | |||
| Planaria angarensis | 1903 or earlier | |||
| Protocotylus flavus | 1908 or earlier | |||
| Polycotylus profundus | 1900-1902 | |||
| Polycotylus validus | 1900-1902 | |||
| Tetracotylus tenax | 1900-1902 | |||
| Graffiella lamelli-rostris | 1900-1902 | |||
| angarensis olivacea | 1900-1902 | |||
| Podoplana olivacea | 1900-1902 | |||
| Sorocelis raddei | 1911 or earlier | |||
| Sorocelis nigrofasciata | 1911 or earlier | |||
| Sorocelis pardalina | 1911 or earlier | |||
| leucocephala bifasciata | 1911 or earlier | |||
| Sorocelis garjajewi | 1911 or earlier | |||
| Sorocelis ussowii | 1911 or earlier | |||
| Sorocelis bipartita | 1911 or earlier | |||
| Sorocelis alba | 1911 or earlier | |||
| Sorocelis rosea | 1911 or earlier | |||
| Sorocelis tenuis | 1911 or earlier | |||
| Sorocelis plana | 1911 or earlier | |||
| Sorocelis linearis | 1911 or earlier | |||
| Sorocelis koslowi | 1911 or earlier | |||
| Sorocelis tibetica | 1911 or earlier | |||
| Sorocelis fusca | 1911 or earlier | |||
| Sorocelis grisea | 1911 or earlier | |||
| Diplosiphon baikalensis | 1929 or earlier | 80 m | ||
| Opisthocystis curvistylus | Jul 12, 1984 | |||
| Opisthocystis pedistylus | Jul 19, 1985 | |||
| Opisthocystis abyssalis | Jun 16, 1983 | 690-720 m | ||
| Opisthocystis sabussovi | Jul 10, 1983 | |||
| Opisthocystis cariottus | Sep 11, 1984 | 100 m | ||
| Geocentrophora intersticialis | Jul 1982 | |||
| Geocentrophora porfirievae | Jun 1982 | |||
| Geocentrophora wagini | Jul 1982 | 5 m | ||
| Geocentrophora levanidorum | Jul 1982 | 6-7 m | ||
| Geocentrophora gigas | Jul 1982 | 10 m | ||
| Geocentrophora incognita | Apr 13, 1982 | 7 m | ||
| Archicotylus decoloratus | 1912 or earlier | |||
| Archicotylus cinereus | 1912 or earlier | |||
| Archicotylus elongatus | 1912 or earlier | |||
| Archicotylus maculatus | 1912 or earlier | |||
| Archicotylus rutilus | 1912 or earlier | |||
| Archicotylus flavus | 1912 or earlier | |||
| Archicotylus lacteus | 1912 or earlier | |||
| Microarchicotylus stringulatus | 1912 or earlier | |||
| Archicotylus junca | 1912 or earlier | |||
| Archicotylus rubzowi | 1912 or earlier | 3-20 m | ||
| Archicotylus parvipunctatus | 1912 or earlier | |||
| Archicotylus parvipunctatus | 1912 or earlier | 2-20 m | ||
| Archicotylus planus | 1903 or earlier | |||
| Archicotylus planus | 1977 or earlier | 4-70 m | ||
| Armilla livanovi | 1903 or earlier | 35-42 m | ||
| Armilla pardalina | 1872 or earlier | 10 - 150 m | ||
| Papilloplana leucocephala | 1903 or earlier | 2 - 25 m | ||
| Papilloplana grisea | 1903 or earlier | 6-40 m | ||
| Papilloplana zebra | 1872 or earlier | 1.8-21 m | ||
| Hyperbulbina bifasciata | 1903 or earlier | 1.5-50 m | ||
| Hyperbulbina grubei | 1903 or earlier | 2-5, 300 m | ||
| Hyperbulbina bekmanae | 1970 | 400-600 m | ||
| Hyperbulbina nana | 1967 | 60 m | ||
| Alaoplana sublanceolata | 1977 or earlier | 1-400 m | ||
| Alaoplana lanceolata | 1872 or earlier | 5-65 m | ||
| Hyperpapillina graffi | 1903 or earlier | 15-236 m | ||
| Hyperpapillina ocellata | 1912 or earlier | 1-110 m | ||
| Bdellocephala angarensis | 1858 or earlier | 1.5-2 m | ||
| angarensis angarensis | 1858 or earlier | 1.5-2 m | ||
| Bdellocephala baicalensis | 1903 or earlier | 1-70 m | ||
| Rimacephalus pulvinar | 1872 or earlier | 8-100 m | ||
| Rimacephalus arecepta | 1969 or earlier | 50-286 m | ||
| Baikalocotylus limnosus | Aug 25, 1968 | 30 m | Maloe More. | |
| Baikalocotylus limnosus | Aug 29, 1967 | 3 m | ||
| Atria kozhowi | 1970 or earlier | 54-230 m | ||
| Sorocelis nigrofasciata | 1872 or earlier | 1-200 m | ||
| Sorocelis hepatizon | 1872 or earlier | 1-525m | ||
| Protocotylus flavus | 1977 and earlier | 6-1125 m | ||
| Baikalobia guttata | 1858 or earlier | 0-70 m | ||
| Baikalobia variegata | 1912 or earlier | 1.5-20 m | ||
| Baikalobia copulatrix | 1912 or earlier | 1-25 m | ||
| Baikalobia raddei | 1911 or earlier | |||
| Strongylostoma radiatum | 1935 or earlier | Bucht des Bailkalsees, nicht im See selbst. | ||
| Mesostoma ehrenbergii | 1926 or earlier | Umgebung des Baikal-Sees, Tümpel auf gefrorenem Boden, nicht im See. | ||
| Baikalotomesostoma stomi | 2010 or earlier | |||
| Otomesostoma arovi | 2010 or earlier | |||
| Opisthocystis aleksandri | 2009 or earlier | |||
| Opisthocystis igori | 2009 or earlier | |||
| Opisthocystis kornilorum | 2009 or earlier | |||
| Opisthocystis marinae | 2009 or earlier | |||
| Opisthocystis meyeri | 2009 or earlier | |||
| Opisthocystis novitzkyi | 2009 or earlier | |||
| Opisthocystis stepashi | 2009 or earlier | |||
| Opisthocystis sturmbaueri | 2009 or earlier | |||
| Microarchicotylus elegans | 2009 or earlier | |||
| Armilla armata | 1961 or earlier | |||
| Baikalobia copulatrix | 1961 or earlier | |||
| guttata major | 1961 or earlier | |||
| Baikalobia raddei | 1961 or earlier | |||
| Bdellocephala hypervesiculina | 1961 or earlier | |||
| Protocotylus flavus | 1961 or earlier | |||
| Rimacephalus pulvinar | 1961 or earlier | |||
| Sorocelis hepatizon | 1961 or earlier | |||
| Microdalyellia armigera | 1926 or earlier | Ufer des Baikal, Tümpel auf gefrorenem Boden, aber an der Oberfläche + 18.5º C. | ||
| Microdalyellia fusca | 1926 or earlier | Tümpel am Ufer des Baikal, auf gefrorenem Boden | ||
| Microarchicotylus ochroleucus | 2015 or earlier | |||
| Otomesostoma auditivum | 2015 or earlier | |||
| Baikalobia elochinensis | 2018 or earlier | |||
| Riedelella lukhnevi | 2023 or earlier | 1.5 to 3.8 M | "on sandy or rocky bottoms" | "found when studying the benthic communities at the western coast of the southern basin of Lake Baikal, Siberia" | 
| Mariareuterella misharinae | 2023 or earlier | 1.5 to 3.8 M | "on sandy or rocky bottoms" | "found when studying the benthic communities at the western coast of the southern basin of Lake Baikal, Siberia" | 
| Coulterella takhteevi | 2023 or earlier | 1.5 to 3.8 M | "on sandy or rocky bottoms" | "found when studying the benthic communities at the western coast of the southern basin of Lake Baikal, Siberia" | 
| Cohenella angelinae | 2023 or earlier | 1.5 to 3.8 M | "on sandy or rocky bottoms" | "found when studying the benthic communities at the western coast of the southern basin of Lake Baikal, Siberia" | 
| Cohenella kostockii | 2023 or earlier | 1.5 to 3.8 M | "on sandy or rocky bottoms" | "found when studying the benthic communities at the western coast of the southern basin of Lake Baikal, Siberia" |