http://www.collembola.org/key/rat/isotidae.htm - Last updated on 2005.10.11 by Frans Janssens
Checklist of the Collembola: Generic names of the Isotomidae

Peter F. Bellinger (), Department of Biology, California State University, Northridge, CA 91330, USA
Kenneth A. Christiansen, Department of Biology, Grinnell College, PO Box V3, Grinnell, IA 50112-0806, USA

2000.10.03

Invalid names in brackets. Valid junior synonyms in parentheses.

This list of generic names, the assignment of status, and the associated key are tentative. Comments and corrections are solicited.

Family Isotomidae

Aackia Yosii, 1966
Type species karakoramensis Yosii, 1966

Acanthisotoma see Isotoma

Acanthomurus Womersley, 1934
Type species plumbeus Womersley, 1934

Agrenia Börner, 1906
Type species Isotoma bidenticulata Tullberg, 1876

Alloschaefferia seen Tomocerura

Antarcticinella Salmon, 1965
Type species monoculata Salmon, 1965

Antarctophorus Potapov, 1993
Type species Anurophorus subpolaris Salmon, 1942

Anurophoruzelia - see Anurophorus

Anurophorus Nicolet, 1842
Type species laricis Nicolet, 1842
(Anurophorouzelia Stach, 1947
- Type species Uzelia rara Yosii, 1939)
[Bourletia MacGillivray, 1893
- Type species Anurophorus laricis Nicolet, 1842]

[Apoeona] - see Isotoma

Appendisotoma - see Proisotoma

Araucanocyrtus Massoud & Rapoport, 1968
Type species fileri Massoud & Rapoport, 1968

Archisotoma Linnaniemi, 1912
Type species Isotoma besselsi Packard, 1877

Arlea Womersley, 1939
Type species Isotomina lucifuga Arlé, 1939
[Falcisotomina Stach, 1947
- Type species Isotomina lucifuga Arlé, 1939]

Astephanus see Coloburella

Australomia - see Cryptopygus

Australotoma - see Isotoma, Setocerura, Tomocerus?

Axelsonia Börner, 1906
Type species thalassophila Börner, 1907
(Moniezina Denis, 1922
- Type species Isotoma littoralis Moniez, 1890)

Bagnallella - see Folsomia

[Ballistrura] - see Proisotoma

Ballistura - see Proisotoma

Bathyterra - see Cryptopygus

[Biacantha] - see Martynovella

Blissia Rusek, 1985
Type species glabra Rusek, 1985

Boernerella - see Coloburella

Bonetrura Christiansen & Bellinger, 1980
Type species Guthriella boneti Yosii, 1962

[Bourletia] - see Anurophorus

[Cephalotoma] - see Metisotoma

Cheirotoma - see Isotoma

Chisotoma - see Hydroisotoma

Clavisotoma - see Proisotoma

Cliforga - see Proisotoma

Coloburella Latzel, 1918
Type species reticulata Latzel, 1918
(Astephanus Denis, 1926
- Type species linnaniemii Denis, 1926)
(Boernerella Denis, 1925
- Type species zangherii Denis, 1925
(Neobeckerella Wray, 1952
- Type species allusa Wray, 1952)

Subgenus Paranurophorus Denis, 1929
- Type species simplex Denis, 1929

Cranisotoma - see Proisotoma

Cryptopygus Willem, 1901
Type species antarcticus Willem, 1901
(Parafolsomia Salmon, 1949
- Type species decemoculata Salmon, 1949)
(Proisotomina Salmon, 1948
- Type species Isotomina subalpina Salmon, 1944)
(Proisotomodes Bagnall, 1949
- Type species Isotoma bipunctata Axelson, 1903)

Subgenus? Bathyterra Rusek, 1996
- Type species bipartita Rusek, 1996
Subgenus Cryptopygus s.str.
(Australomia Bagnall, 1949
- Type species Folsomia loftyensis Womersley, 1934)
(Hemisotoma Bagnall, 1949
- Type species Isotoma thermophila Axelson, 1900)
(Mucrosomia Bagnall, 1949
- Type species Folsomia garretti Bagnall, 1939)
(Spinurosomia Bagnall, 1949
- Type species Folsomia novaezealandiae Salmon, 1943)
(Zealandotoma Salmon, 1964
- Type species Isotomina novazealandia Salmon, 1941)
Subgenus? Isotomina Börner, 1903
- Type species agreni Börner, 1903
Subgenus Rhodanella Salmon, 1945
- Type species Vertagopus minos Denis, 1928
[Rhodesia Womersley, 1934, nec Warren, 1905
Type species Vertagopus minos Denis, 1928]
(Stachisotoma Salmon, 1964
- Type species Isotomina lamellata Salmon, 1941)

Dagamaea Yosii, 1965
Type species japonica Yosii, 1965

Denisia - see Isotomiella

Desoria - see Isotoma

Deuterolubbockia - see Tetracanthella

[Dimorphiella] - see Dimorphotoma

Dimorphotoma Grinbergs, 1975
Type species Proisotoma (Dimorphiella) muriphila Grinbergs, 1968
[Dimorphiella Grinbergs, 1968, nec Valkanov, 1928
Type species Proisotoma (Dimorphiella) muriphila Grinbergs, 1968]

[Eosotoma] - see Hydroisotoma

[Euisotoma] - see Isotoma

[Falcisotomina] see Arlea

Folsomia Willem, 1902
Type species candida Willem, 1902
(Bagnallella Salmon, 1951
- Type species Folsomia sedecimocellata Salmon, 1943)
(Holotoma Bagnall, 1949
- Type species silvestrii Folsom, 1937)
(Litsteria Bagnall, 1949
- Type species quadrioculata Tullberg, 1871)
(Litsterodes Bagnall, 1949
- Type species folsomiella Bagnall, 1949
= Folsomia sexoculata of Bagnall, not of Tullberg))
(Stachomia Bagnall, 1949
- Type species Folsomia decemoculata Stach, 1946)

Folsomides Stach, 1922
Type species parvulus Stach, 1922
(Jacksoniella Denis, 1931
- Type species Proisotoma perparva Jackson, 1927)
(Subisotoma Stach, 1947
- Type species Isotoma pusilla Schäffer, 1900)
(Varisotoma Salmon, 1964
- Type species Isotoma angularis Axelson, 1905)

Folsomidiella - see Proisotoma

Folsomina Denis, 1931
Type species onychiurina Denis, 1931

Folsomotoma - see Isotoma

[Frisonia] - see Proisotoma

Gnathisotoma Cassagnau, 1958
Type species bicolor Cassagnau, 1958

Gnathofolsomia Deharveng & Christian, 1984
Type species palpata Deharveng & Christian, 1984

Granisotoma - see Isotoma

Gressittacantha Wise, 1967
Type species terranova Wise, 1967

Guthriella - see Proisotoma

Halisotoma - see Isotoma

Haploisotoma Izarra, 1965
Type species ventanensis Izarra, 1965

Hemisomia - see Proisotoma

Hemisotoma - see Cryptopygus

Heteroisotoma - see Isotoma

Holotoma - see Proisotoma

[Holotomodes Bagnall, 1949
Type species hibernica Bagnall, 1949, nomen nudum]

Holurotoma - see Isotoma

Hydroisotoma Stach, 1947
Type species Isotoma schaefferi Krausbauer, 1898
(Chisotoma Bagnall, 1949
- Type species Archisotoma dimorpha Denis, 1922)
[Eosotoma Bagnall, 1949
- Type species schaefferi Krausbauer, 1898]

Ianstachia - see Proisotoma

Isotoma Bourlet, 1839
Type species viridis Bourlet, 1839
[Euisotoma Börner, 1901
- Type species Isotoma viridis Bourlet, 1839]
(Acanthisotoma Bonet, 1942
- Type species spinicauda Bonet, 1942)
(Australotoma Bagnall, 1949
- Type species Isotoma (Isotoma) swani Womersley, 1934)??? a Tomocerus?

Subgenus? Cheirotoma Bagnall, 1949
- Type species Isotoma spatulata Chamberlain, 1943
Subgenus Desoria Nicolet, 1841
- Type species saltans Nicolet, 1841
[Apoeona Gistl, 1848
- Type species Desoria saltans Nicolet, 1841]
(Isotomurodes Bagnall, 1949
- Type species Isotoma (Isotoma) gelida Folsom, 1937
(Panurotoma Bagnall, 1949
- Type species Isotoma (Isotoma) marissa Folsom, 1937)
(Pedisotoma Bagnall, 1949
- Type species subaequalis Folsom, 1937)
(Sensiterga Murphy, 1959
- Type species infuscata Murphy, 1959)
(Spinisotoma Stach, 1926
- Type species pectinata Stach, 1926)
Subgenus? Folsomotoma Bagnall, 1949
- Type species Isotoma bioculata Womersley, 1934
(Sorensia Salmon, 1949
- Type species subflava Salmon, 1949)
Subgenus Granisotoma Stach, 1947
- Type species Proisotoma (Proisotoma) rainieri Folsom, 1937
[Neosotoma Bagnall, 1949
- Type species Proisotoma (Proisotoma) rainieri Folsom, 1937]
(Panchaetoma Bagnall, 1949
- Type species Isotoma communa MacGillivray, 1896
Subgenus Halisotoma Bagnall, 1949
- Type species Isotoma maritima Tullberg, 1871
Subgenus? Heteroisotoma Stach, 1947
- Type species andrei Mills, 1934
[Pathisotoma Bagnall, 1949
- Type species andrei Mills, 1934]
(Sibirisotoma Rusek, 1991
- Type species stebajevae Rusek, 1991)
Subgenus Isotoma s.str.
(Tetracanthura Martynova, 1971
- Type species mirabilis Martynova, 1971)
Subgenus Myopia Christiansen & Bellinger, 1980.
- Type species alaskana Christiansen & Bellinger,1980.
Subgenus Najtia Arlé & Mendonça, 1986..
- Type species vicaria Arlé, 1959
Subgenus? Parisotoma Bagnall, 1940
- Type species notabilis Schäffer, 1896
(Holurotoma Bagnall, 1949
- Type species dividua Salmon, 1944
? (Parisotomodes Bagnall, 1949
- Type species quinquedentata Salmon, 1943)
Subgenus Pseudisotoma Handschin, 1924
- Type species Isotoma sensibilis Tullberg, 1876
Subgenus? Pseudosorensia Izarra, 1972
Type species fueguensis Izarra, 1972
Subgenus Psammisotoma Greenslade & Deharveng, 1986
- Type species kingae Greenslade & Deharveng, 1986
Subgenus Sericeotoma Potapov, 1991
- Type species knissi Potapov, 1991
Subgenus Vertagopus Börner, 1906
- Type species Desoria cinerea Nicolet, 1842
(Papillomurus Salmon, 1941
- Type species fuscus Salmon, 1941)

Isotomedia Salmon, 1944
Type species trisetosa Salmon, 1944

Isotomiella Bagnall, 1939
Type species minor Schäffer, 1896
(Denisia Folsom, 1932
- Type species falcata Folsom, 1932)

Isotomina - see Cryptopygus

Isotominella Delamare, 1948
Type species geophila Delamare, 1948

Isotomodella Martynova, 1968
Type species pusilla Martynova, 1968

Isotomodes Linnaniemi, 1907
Type species Isotoma producta Axelson, 1905 (
=Isotoma elongata Axelson, 1903 nec MacGillivray, 1896)

Isotomurodes - see Isotoma

Isotomurus Börner, 1906
Type species Podura palustris Müller, 1776
(Proisotomurus Womersley, 1934
- Type species papillatus Womersley, 1934)

Jacksoniella - see Folsomides

Jesenikia Rusek, 1997
Type species filiformis Rusek, 1997

Jestella Najt, 1978
Type species siva Najt, 1978

Litsteria - see Folsomia

Litsterodes - see Folsomia

Louisotoma - see Proisotoma

[Lubbockia] - see Tetracanthella

Marisotoma Fjellberg, 1997
Type species canaliculata Fjellberg, 1997

Martynovella Deharveng, 1979
Type species Biacantha nana Martynova, 1967
[Biacantha Martynova, 1967, nec Wolfgang, 1954
- Type species nana Martynova, 1967]

Metisotoma Maynard, 1951
Type species spiniseta Maynard, 1951
[Cephalotoma Bagnall, 1949, nec Lesne, 1911
- Type species Isotoma grandiceps Reuter, 1891]

Micranurophorus Bernard, 1977
Type species musci Bernard, 1977

Micrisotoma Bellinger,1952
Type species achromata Bellinger, 1952

Millsia Womersley, 1942
Type species tiegsi Womersley, 1942 - Tomoceridae

Moniezina - see Axelsonia

Mucracanthus Stebaeva, 1976
Type species altaicus Stebaeva, 1976

Mucrosomia - see Cryptopygus

Mucrotoma Rapoport & Rubio, 1963
Type species leuca Rapoport & Rubio, 1963

Myopia - see Isotoma

Najtia - see Isotoma

Narynia Martynova, 1968
Type species setosa Martynova, 1968

Neobeckerella - see Coloburella

Neocryptopygus Salmon, 1965
Type species nivicolus Salmon, 1965

Neophorella Womersley, 1934
Type species dubia Womersley, 1934 [IN TOMOCERIDAE]

[Neosotoma] - see Isotoma

Octodontophora Chelnokov, 1990
Type species ornata Chelnokov, 1990

Pachyotoma - see Proisotoma

Panchaetoma - see Isotoma

Panurotoma - see Isotoma

Papillomurus - see Isotoma

Paracerura Deharveng & Oliveira, 1994
Type species virgata Deharveng & Oliveira, 1994

Parafolsomia - see Cryptopygus

Paranurophorus - see Coloburella

Parisotoma - see Isotoma

Parisotomodes - see Isotoma

[Paruselia] - see Uzelia

Pathisotoma - see Isotoma

Pectenisotoma Gruia, 1983
Type species theodori Gruia, 1983

Pedisotoma - see Isotoma

Pentacanthella Deharveng, 1979
Type species decemoculata Deharveng, 1979

Pentapleotoma - see- Uzelia

Physurotoma - see Proisotoma

Procerura Salmon, 1941
Type species violacea Salmon, 1941
(Salmonides Bagnall, 1949
- Type species Procerura fasciata Salmon, 1941)

Proctostephanus Börner, 1902
Type species stuckeni Börner, 1902

Proisotoma Börner, 1901
Type species Isotoma minuta Tullberg, 1871

Did we get anything we can use out of our failed project?

Subgenus Appendisotoma Stach, 1947
Type species Proisotoma (Proisotoma) vesiculata Folsom, 1937
(Cliforga Wray, 1952
- Type species Spinisotoma (Cliforga) alleghaniensis Wray, 1952) Synonymy from Bernard in litt.
[Frisonia Wray, 1952 nec Ricker, 1943
Type species Spinisotoma (Frisonia) veca Wray, 1952]
(Hemisomia Bagnall, 1949
- Type species Proisotoma guthriei Linnaniemi, 1912
= Isotoma minima Guthrie, 1903, not of Absolon, 1901)
(Physurotoma Bagnall, 1949
- Type species Proisotoma (Proisotoma) bulbosa Folsom, 1937)
(Scutisotomodes Bagnall, 1949
- Type species Achorutes [longispinus MacGillivray, 1893 nec Tullberg, 1876]
= macgillivrayi Dalla Torre, 1895
(Vesiculotoma Bagnall, 1949
- Type species Proisotoma (Proisotoma) vesiculata Folsom, 1937)
Subgenus Ballistura Börner, 1906
- Type species Isotoma schoetti Dalla Torre, 1895
["Ballistrura" auctt.]
(Clavisotoma Ellis, 1970
- Type species Proisotoma tuberculata Stach, 1947)
(Guthriella Börner, 1906
- Type species muskegis Guthrie, 1903)
(Louisotoma Wray, 1958
- Type species vernoga Wray, 1958)
Subgenus? Ianstachia Bagnall, 1949
- Type species Proisotoma caucasica Stach, 1947 (or synonym of Pachyotoma?) Deharveng, 1977 (valid), 1979 (syn. Pachotoma)
Subgenus Pachyotoma Bagnall, 1949
- Type species Isotoma crassicauda Tullberg, 1871
Subgenus Proisotoma s.str.
(Cranisotoma Bagnall, 1949
- Type species Isotoma (Proisotoma) immersa Folsom, 1924)
(Folsomidiella Bagnall, 1949
- Type species inaequalis Bagnall, 1949)
(Holotoma Bagnall, 1949
- Type species Folsomia silvestrii Folsom, 1937)
(Scutisotoma Bagnall, 1949
- Type species Proisotoma (Proisotoma) titusi Folsom, 1937)

Proisotomina - see Cryptopygus

Proisotomodes - see Cryptopygus

Proisotomurus - see Isotomurus

Protanurophorus - see Uzelia

Psammisotoma - see Isotoma

Pseudanurophorus Stach, 1922
Type species boerneri Stach, 1922 Potapov, 1997

Pseudisotoma - see Isotoma

Pseudofolsomia Martynova, 1967
Type species acanthella Martynova, 1967 Deharveng, 1979

Pseudosorensia - see Isotoma

Pteronychella Börner, 1909
Type species perpulchra Börner, 1909 Yosii, 1939, 1961

Rhodanella - see Cryptopygus

[Rhodesia - see Cryptopygus]

Sahacanthella Potapov & Stebaeva, 1994
Type species kele Potapov & Stebaeva, 1994

Salmonia Baijal, 1958
Type species tridentata Baijal, 1958

Salmonides - see Procerura

Scutisotoma - see Proisotoma

Scutisotomodes - see Proisotoma

Secotomodes Potapov, 1988
Type species sibiricus Potapov, 1988

Semicerura Maynard, 1951
Type species bishopi Maynard, 1951 Martynova, 1969

Sensiterga - see Isotoma

Sericeotoma - see Isotoma

Setocerura Salmon, 1949
Type species Tomocerura rubenota Salmon, 1941 Deharveng & Oliveira, 1994
(Australotoma Bagnall, 1949
- Type species swani Womersley, 1934) If these are synonyms, Australotoma has priority). Greenslade, 1994

Sibiracanthella Potapov & Stebaeva, 1994
Type species nuda Potapov & Stebaeva, 1994

Sibirisotoma - see Isotoma

Sorensia - see Isotoma

Spinisotoma - see Isotoma

Spinocerura Salmon, 1941
Type species capillata Salmon, 1941 Greenslade, 1989

Spinurosomia - see Cryptopygus

Stachanorema Wray, 1957
Type species arnaudi Wray, 1957 Babenko, 1994

Stachisotoma - see Cryptopygus

Stachomia - see Folsomia

Subisotoma - see Folsomides

Tetracanthella Schött, 1891
Type species pilosa Schött, 1891
(Deuterolubbockia Dalla Torre, 1895
- Type species coerulea Haller, 1880
[Lubbockia Haller, 1880, nec Claus, 1862
- Type species coerulea Haller, 1880]
[Tetrachantella of Schött - invalid subsequent spelling] Deharveng, 1987

Tetracanthura - see Isotoma

Tetrachantella - see Tetracanthella

Tiancanthella Rusek, 1979
Type species martynovae Rusek, 1979

Tibiolatra Salmon, 1941
Type species latronigra Salmon, 1941

Tomocerura Wahlgren, 1901
Type species picta Wahlgren, 1901 Greenslade, 1989
(Alloschaefferia Börner, 1903
- Type species Isotoma conjungens Schäffer, 1897) Synonymy following Wahlgren, 1906; no recent description of type species

Tuvia Grinbergs, 1962
Type species prima Grinbergs, 1962 Deharveng, 1979; Dunger, 1982

Uzelia Absolon, 1901
Type species setifera Absolon, 1901
(Pentapleotoma Börner, 1903
- Type species dahlii Börner, 1903) Potapov & Stebaeva, 1994 - Tetracanthella b.?
[Paruzelia Martynova,1971, nec Melichar, 1903. No type selected] May be a valid subgenus but needs a name.
(Protanurophorus Bagnall & Womersley, 1925
- Type species Tetracanthella oxoniensis Bagnall, 1914) Lawrence, 1967

Varisotoma - see Folsomides

Vertagopus - see Isotoma

Vesiculotoma - see Proisotoma

Weberacantha Christiansen, 1951
Type species octa Christiansen, 1951

Womersleyella Salmon, 1944
Type species niveata Salmon, 1944

Yosiiella Hüther, 1967
Type species mira Hüther, 1967 Deharveng, 1979

Zealandotoma - see Cryptopygus

Endnotes