| Protocotylus | flavus | abissorum | Timoshkin & Porfireva, 1989 |
| Geocentrophora | wagini | abyssalis | Timoshkin, 2004 |
| Opisthocystis | abyssalis | Timoshkin, 1986 | |
| Kawanabella | afanasyevae | Timoshkin, 2004 | |
| Friedmaniella | alba | Timoshkin, 1985 | |
| Opisthocystis | aleksandri | Timoshkin, Zaytseva & Gutsol, 2009 | |
| Cohenella | angelinae | Timoshkin & Krivorotkin, 2023 | |
| Otomesostoma | arovi | Timoshkin, Lukhnev, & Zaytseva, 2010 | |
| Mariareuterella | baeckmanae | (Timoshkin, 1986) | |
| Diplosiphon | baekmanae | Timoshkin, 1986 | |
| Hymanella | baicalensis | Timoshkin & Porfirieva, 1989? | |
| Prorhynchus | baikalensis | Timoshkin, 1991 | |
| Otomesostomidae | Baikalotomesostoma | Timoshkin, Lukhnev, & Zaytseva, 2010 | |
| Porfirievia | barguzinensis | Timoshkin, 1997 | |
| Bdellocephala | bathyalis | Timoshkin & Porfireva, 1989 | |
| Porfirievia | bathyalis | Timoshkin, 1997 | |
| Bdellocephala | angarensis | bathyalis | Timoshkin & Porfireva, 1989 |
| Baikaloplana | valida | bathybia | Timoshkin & Porfireva, 1989 |
| Prorhynchus | stagnalis | biwaensis | Timoshkin, Grygier, & Kawakatsu, 2004 |
| Coulterella | bondarenkoi | Timoshkin, 2004 | |
| Parotoplaninae | Boreusyrtis | Lukhnev & Timoshkin, 2018 | |
| Opisthocystis | boykoi | Timoshkin, Zaytseva, & Gutsol, 2012 | |
| Opisthocystis | cariottus | Timoshkin, 1986 | |
| Rhynchokarlingiidae | Cohenella | Timoshkin, 2004 | |
| Rhynchokarlingiidae | Coulterella | Timoshkin, 2004 | |
| Opisthocystis | curvistylus | Timoshkin, 1986 | |
| Rimacephalus | arecepta | depigmentata | Timoshkin & Profirieva, 1989 |
| Riedelella | dmitrievae | Timoshkin, 2004 | |
| Opisthocystis | drobyshevae | Timoshkin, 2010 | |
| Riedelella | efremovae | Timoshkin, 2004 | |
| Archicotylus | elegans | Porfiriev, Timoshkin & Zaytseva, 2009 | |
| Microarchicotylus | elegans | (Porfiriev, Timoshkin & Zaytseva, 2009) | |
| Opisthocystis | wilkei | elegans | Timoshkin, 2010 |
| Mityuscha | elenae | Timoshkin, 2004 | |
| Baikalobia | elochinensis | Porfiriev & Timoshkin, 2018 | |
| Porfirievia | ermakovi | Timoshkin, 1997 | |
| Opisthocystis | evdonini | Timoshkin, 2010 | |
| Coulterella | fialkovi | Timoshkin & Zaytseva, 2022 | |
| Protocotylus | flavus | flavus | Timoshkin & Porfireva, 1989 |
| Baicalarctiinae | Friedmaniella | Timoshkin & Zabrovskaya, 1985 | |
| Riedelella | galazyi | Timoshkin, 2004 | |
| Mityuscha | galinae | Timoshkin, 2004 | |
| Obolkinaella | genkali | Timoshkin, 2004 | |
| Riedelella | gibsoni | Timoshkin, 2004 | |
| Geocentrophora | gigas | Timoshkin, 1984 | |
| Riedelella | greenwoodi | Timoshkin, 2004 | |
| Mariareuterella | grygieri | Timoshkin, 2004 | |
| Opisthocystis | gyratricelloides | Timoshkin & Zaytseva, 2012 | |
| Linella | hamolaminae | Timoshkin & Krivorotkin, 2022 | |
| Riedelella | heaneyi | Timoshkin, 2004 | |
| Opisthocystis | hendelbergi | Timoshkin, 2010 | |
| Coulterella | hirotaorum | Timoshkin, 2004 | |
| Opisthocystis | humilistylus | Timoshkin 2010 | |
| Opisthocystis | igori | Timoshkin, Zaytseva & Gutsol, 2009 | |
| Geocentrophora | incognita | Timoshkin & Zabrovskaya, 1984 | |
| Opisthocystis | intersticialis | Lukhnev and Timoshkin, 2014 | |
| Geocentrophora | intersticialis | Timoshkin, 1984 | |
| Riedelella | izhboldinae | Timoshkin, 2004 | |
| Opisthocystis | joffei | Timoshkin, 2010 | |
| Coulterella | kalinini | Timoshkin, 2004 | |
| Riedelella | karabanovi | Timoshkin, 2004 | |
| Mariareuterella | kasteri | Timoshkin, 2004 | |
| Coulterella | kawakatsui | Timoshkin, 2004 | |
| Porfirievia | kawanabei | Timoshkin, 1997 | |
| Rhynchokarlingiidae | Kawanabella | Timoshkin, 2004 | |
| Opisthocystis | kornilorum | Timoshkin, Zaytseva & Gutsol, 2009 | |
| Cohenella | kostockii | Timoshkin, 2022 | |
| Opisthocystis | kotikovae | Timoshkin, 2010 | |
| Riedelella | kravtsovae | Timoshkin, 2004 | |
| Opisthocystis | kremlevae | Timoshkin, Zaytseva & Gutsol, 2012 | |
| Riedelella | krstanovskii | Timoshkin, 2004 | |
| Riedelella | kuznedelovi | Timoshkin, 2004 | |
| Linella | leontyevae | Timoshkin, 2004 | |
| Geocentrophora | levanidorum | Timoshkin, 1984 | |
| Rhynchokarlingiidae | Linella | Timoshkin, 2004 | |
| Riedelella | linevichae | Timoshkin, 2004 | |
| Diplosiphon | mamkaevi | linius | Timoshkin & Kawakatsu, 1996 |
| Diplosiphon | livanovi | Timoshkin, 1986 | |
| Linella | livanovi | (Timoshkin, 1986) | |
| Riedelella | lukhnevi | Timoshkin & Krivorotkin, 2023 | |
| Mariareuterella | lyudmilae | Timoshkin, 2004 | |
| Linella | macrorhynchus | (Timoshkin, 1986) | |
| Diplosiphon | macrorhynchus | Timoshkin, 1986 | |
| Boreusyrtis | maksimovae | Timoshkin & Lukhnev, 2018 | |
| Diplosiphon | mamkaevi | mamkaevi | Timoshkin & Kawakatsu, 1996 |
| Diplosiphon | mamkaevi | Timoshkin & Kawakatsu, 1996 | |
| Rhynchokarlingiidae | Mariareuterella | Timoshkin & Grygier, 2005 | |
| Opisthocystis | marinae | Timoshkin, Zaytseva & Gutsol, 2009 | |
| Mariareuterella | martensi | Timoshkin, 2004 | |
| Mariareuterella | mazepovae | Timoshkin, 2004 | |
| Coulterella | melnikae | Timoshkin, 2004 | |
| Opisthocystis | meyeri | Timoshkin, 2009 | |
| Dendrocoelidae | Microarchicotylus | Porfiriev & Timoshkin, 2015 | |
| Rhynchokarlingia | microdentata | Krivorotkin, Zaytseva & Timoshkin, 2023 | |
| Diplosiphon | microstylus | Timoshkin, 1986 | |
| Cohenella | microstylus | (Timoshkin, 1986) | |
| Friedmaniella | minima | Timoshkin & Zabrovskaya, 1985 | |
| Porfirievia | minima | (Timoshkin et Zabrovskaya, 1985) | |
| Mariareuterella | misharinae | Timoshkin & Krivorotkin, 2023 | |
| Rhynchokarlingiidae | Mityuscha | Timoshkin, 2004 | |
| Koinocystididae | Morimiurella | Timoshkin, 2010 | |
| Morimiurella | nakanoi | Timoshkin, 2010 | |
| Mariareuterella | nigmatullini | Timoshkin, 2004 | |
| Mariareuterella | nikitinae | Timoshkin, 2004 | |
| Riedelella | ninae | (Timoshkin, 1986) | |
| Diplosiphon | ninae | Timoshkin, 1986 | |
| Opisthocystis | novikovae | Timoshkin, 2010 | |
| Opisthocystis | novitzkyi | Timoshkin, Zaytseva & Gutsol, 2009 | |
| Rhynchokarlingiidae | Obolkinaella | Timoshkin, 2004 | |
| Microarchicotylus | ochroleucus | Porfiriev & Timoshkin, 2015 | |
| Opisthocystis | octopropagostylus | Lukhnev and Timoshkin, 2014 | |
| Coulterella | ohtakai | Timoshkin, 2004 | |
| Geocentrophora | olgae | Timoshkin, 1991 | |
| Coulterella | osipovae | Timoshkin, 2004 | |
| Mityuscha | parvulus | Timoshkin, 2004 | |
| Riedelella | pectenuncinata | Timoshkin, 2004 | |
| Opisthocystis | pedistylus | Timoshkin, 1986 | |
| Rhynchokarlingia | pentastylus | Krivorotkin, Zaytseva & Timoshkin, 2023 | |
| Mariareuterella | pleschinskayae | Timoshkin, 2004 | |
| Wadaella | podkorytovae | Timoshkin, 2004 | |
| Rhynchokarlingia | pomazkovae | Timoshkin, 2004 | |
| Geocentrophora | porfirievae | Timoshkin & Zabrovskaya, 1984 | |
| Baicalarctiinae | Porfirievia | Timoshkin, 1997 | |
| Cohenella | pronini | Timoshkin, 2004 | |
| Protomonotresidae | Protomonotresinae | Timoshkin, 1986 | |
| Riedelella | provizae | Timoshkin, 2004 | |
| Baikalobia | pseudoguttata | Porfiriev, Zaytseva, & Timoshkin 2010 | |
| Rhynchokarlingiidae | Reuterella | Timoshkin, 2004 | |
| Rhynchokarlingiidae | Rhynchokarlingia | Timoshkin & Mamkaev, 2004 | |
| Eukalyptorhynchia | Rhynchokarlingiidae | Timoshkin, 2004 | |
| Rhynchokarlingiidae | Riedelella | Timoshkin, 2004 | |
| Opisthocystis | riegeri | Timoshkin, 2010 | |
| Bdellocephala | roseocula | Timoshkin, Naumova, & Novikova, 2004 | |
| Cohenella | rudenkoi | Timoshkin, 2010 | |
| Friedmaniella | rufula | Timoshkin & Zabrovskaya, 1985 | |
| Mariareuterella | sabirovi | Timoshkin, 2004 | |
| Opisthocystis | sabussovi | Timoshkin, 1986 | |
| Mariareuterella | saetosouncinata | Timoshkin, 2004 | |
| Cohenella | sagalevichi | Timoshkin & Zaytseva, 2022 | |
| Mariareuterella | salemaai | Timoshkin, 2004 | |
| Mariareuterella | schetinnikovi | Timoshkin, 2004 | |
| Sitnikovaella | schevelevae | Timoshkin, 2004 | |
| Porfirievia | schirobokovi | Timoshkin, 1997 | |
| Opisthocystis | seehauseni | Timoshkin, 2010 | |
| Opisthocystis | selivanovae | Timoshkin, 2010 | |
| Cohenella | semernoyi | Timoshkin, 2004 | |
| Cohenella | sidelevae | Timoshkin, 2004 | |
| Rhynchokarlingiidae | Sitnikovaella | Timoshkin, 2004 | |
| Syatkinella | snezhanae | Timoshkin, 2004 | |
| Opisthocystis | sokolovi | Timoshkin, 2010 | |
| Rhynchokarlingiidae | sp. | Timoshkin, 2010 | |
| Rhynchokarlingiidae | sp. | Timoshkin, 2004 | |
| Porfirievia | sp. | Timoshkin, 1997 | |
| Riedelella | sp. 1 | Timoshkin, 2004 | |
| Riedelella | sp. 2 | Timoshkin, 2004 | |
| Riedelella | sp. 3 | Timoshkin, 2004 | |
| Opisthocystis | spp. | Timoshkin, 2010 | |
| Opisthocystis | stepashi | Timoshkin, Zaytseva & Gutsol, 2009 | |
| Baikalotomesostoma | stomi | Timoshkin, Lukhnev, & Zaytseva 2010 | |
| Opisthocystis | sturmbaueri | Timoshkin, Zaytseva & Gutsol, 2009 | |
| Eukalyptorhynchia | Syatkinella | Timoshkin, 2004 | |
| Coulterella | takhteevi | Timoshkin & Krivorotkin, 2023 | |
| Riedelella | terentyevi | Timoshkin, 2004 | |
| Rhynchokarlingia | tetrastylus | (Timoshkin, 1986) | |
| Diplosiphon | tetrastylus | Timoshkin, 1986 | |
| Opisthocystis | trifidostylus | Timoshkin | |
| Riedelella | tyleri | Timoshkin, 2004 | |
| Opisthocystis | umylinae | Timoshkin, 2010 | |
| Vermipharyngiella | unica | Porfiriev & Timoshkin, 2013 | |
| Bdellocephala | ushkaniensis | Timoshkin, Naumova, & Novikova, 2004 | |
| Coulterella | vainolai | Timoshkin, 2004 | |
| Baikaloplana | valida | valida | Timoshkin & Porfirieva, 1989 |
| Kenkiidae | Vermipharyngiella | Porfiriev & Timoshkin, 2013 | |
| Mesostoma | vivipara | Timoshkin, 1985 | |
| Opisthocystis | votyakovi | Timoshkin, 2010 | |
| Rhynchokarlingiidae | Wadaella | Timoshkin, 2004 | |
| Diplosiphon | wadai | Timoshkin & Kawakatsu, 1996 | |
| Geocentrophora | wagini | Timoshkin, 1984 | |
| Geocentrophora | wasiliewi | Timoshkin, 1991 | |
| Opisthocystis | wilkei | Timoshkin, 2010 | |
| Opisthocystis | wilkei | wilkei | Timoshkin, 2010 |
| Porfirievia | xantha | Timoshkin, 1997 | |
| Rhynchokarlingia | zemskayae | Timoshkin, 2004 | |
| Opisthocystis | zerbstboroffkae | Timoshkin, 2010 |
184 names, including those in new combination. (Max listing set to 900)