IRMNG Taxon list
Anarthrura edentatus Bird, 2004
Anarthrura linearis (Haswell, 1884) accepted as Paratanais linearis Haswell, 1884
Anarthrura simplex G.O. Sars, 1882
Anarthrurella clairae Bird, 2004
Anarthruropsis edentula Larsen, 2005
Anarthruropsis galatheae Lang, 1968
Anarthruropsis langi Kudinova-Pasternak, 1976
Anarthruropsis longa Kudinova-Pasternak, 1984
Anarthruropsis longus Kudinova-Pasternak, 1984 accepted as Anarthruropsis longa Kudinova-Pasternak, 1984
Anarthruropsis similis Kudinova-Pasternak, 1990
Anisopechys crinitus Bird, 2004
Ithyomus conopygus Bird, 2004
Pachygnathia vicina (Hansen, 1913)
Siphonolabrum californiensis Dojiri & Sieg, 1997
Siphonolabrum fastigatum Sieg, 1986
Siphonolabrum langi Kudinova-Pasternak, 1981
Siphonolabrum mirabile Lang, 1972
Siphonolabrum tenebrosus Bird, 2007
Synanarthrura celtica Bird, 2004
Thorkelius glacialis (Hansen, 1913)
Thorkelius latiremis (Hansen, 1913)