URMO Taxon list
Allapasus aurantiacus Holland, Kuhnz & Osborn, 2012
Atubaria heterolopha Sato, 1936 (uncertain > nomen dubium )
Balanoglossus apertus (Spengel, 1893)
Balanoglossus aurantiaca (Girard, 1853)
Balanoglossus australiensis Hill, 1894
Balanoglossus biminiensis Willey, 1899 accepted as Balanoglossus gigas (Müller in Spengel, 1893)
Balanoglossus borealis Willey, 1899
Balanoglossus capensis Gilchrist, 1908
Balanoglossus carnosus Müller in Spengel, 1893
Balanoglossus clavigerus Delle Chiaje, 1829
Balanoglossus gigas (Müller in Spengel, 1893)
Balanoglossus hydrocephalus van der Horst, 1940
Balanoglossus jamaicensis Willey, 1899
Balanoglossus misakiensis Kuwano, 1902
Balanoglossus natalensis Gilchrist, 1908
Balanoglossus numeensis Maser, 1913 accepted as Balanoglossus carnosus Müller in Spengel, 1893
Balanoglossus occidentalis Ritter, 1902
Balanoglossus parvulus Punnett, 1903
Balanoglossus proliferans Gilchrist, 1908 accepted as Balanoglossus capensis Gilchrist, 1908
Balanoglossus proterogonius Belichov, 1928
Balanoglossus robinii Giard, 1882
Balanoglossus salmoneus Giard, 1882
Balanoglossus simodensis Miyamoto & Saito, 2007
Balanoglossus stephensoni van der Horst, 1937
Balanoglossus studiosorum van der Horst, 1940
Brachyhorstia kincaidi (Deland, Cameron, Rao, Ritter et Bullock, 2010)
Cephalodiscus aequatus Andersson, 1907 accepted as Cephalodiscus hodgsoni Ridewood, 1907
Cephalodiscus agglutinans Harmer & Ridewood, 1913
Cephalodiscus anderssoni Gravier, 1912 accepted as Cephalodiscus densus Andersson, 1907
Cephalodiscus atlanticus Bayer, 1962
Cephalodiscus australiensis Johnston & Muirhead, 1951
Cephalodiscus calciformis Emig, 1977
Cephalodiscus densus Andersson, 1907
Cephalodiscus dodecalophus M'Intosh, 1882
Cephalodiscus evansi Ridewood, 1918
Cephalodiscus fumosus John, 1931
Cephalodiscus gilchristi Ridewood, 1908
Cephalodiscus gracilis Harmer, 1905
Cephalodiscus graptolitoides Dilly, 1993
Cephalodiscus hodgsoni Ridewood, 1907
Cephalodiscus inaequatus Andersson, 1907 accepted as Cephalodiscus hodgsoni Ridewood, 1907
Cephalodiscus indicus Schepotieff, 1909
Cephalodiscus kempi John, 1932
Cephalodiscus levinseni Harmer, 1905
Cephalodiscus nigrescens Lankester, 1905
Cephalodiscus rarus Andersson, 1907 accepted as Cephalodiscus densus Andersson, 1907
Cephalodiscus sibogae Harmer, 1905
Cephalodiscus solidus Andersson, 1907
Glandiceps abyssicola Spengel, 1893
Glandiceps bengalensis Rao, 1955
Glandiceps coromandelicus Spengel, 1907
Glandiceps eximius Spengel, 1907
Glandiceps hacksi (Marion, 1885)
Glandiceps malayanus Spengel, 1907
Glandiceps qingdaoensis An & Li, 2005
Glandiceps talaboti (Marion, 1876)
Glossobalanus alatus van der Horst, 1940
Glossobalanus berkeleyi Willey, 1931
Glossobalanus crozieri van der Horst, 1924
Glossobalanus elongatus Spengel, 1904
Glossobalanus hedleyi (Hill, 1897)
Glossobalanus indicus Rao, 1955
Glossobalanus marginatus Meek, 1922
Glossobalanus minutus (Kowalevsky, 1866)
Glossobalanus mortenseni van der Horst, 1932
Glossobalanus parvulus Punnett, 1906
Glossobalanus polybranchioporus Tchiang & Liang, 1965
Glossobalanus ruficollis (Willey, 1899)
Glossobalanus sarniensis (Koehler, 1886)
Harrimania borealis Okuda & Yamada, 1955
Harrimania kupfferi (von Willemoes-Suhm, 1871)
Harrimania maculosa Ritter, 1900
Harrimania planktophilus Cameron, 2002
Horstia kincaidi Deland, Cameron, Rao, Ritter & Bullock, 2010 accepted as Brachyhorstia kincaidi (Deland, Cameron, Rao, Ritter et Bullock, 2010)
Mesoglossus bournei Menon, 1904
Mesoglossus caraibicus van der Horst, 1924
Mesoglossus gurneyi Robinson, 1927
Mesoglossus intermedius Deland, Cameron, Rao, Ritter & Bullock, 2010
Mesoglossus macginitiei Deland, Cameron, Rao, Ritter & Bullock, 2010
Mesoglossus pygmaeus Hinrichs & Jacobi, 1938
Planctosphaera pelagica Spengel, 1932 (uncertain > nomen dubium )
Protoglossus graveolens Giray & King, 1996
Protoglossus koehleri Caullery & Mesnil, 1900
Protoglossus mackiei Deland, Cameron, Rao, Ritter & Bullock, 2010
Ptychodera asymmetrica Punnett, 1903
Ptychodera aurantiaca (Girard, 1853) accepted as Balanoglossus aurantiaca (Girard, 1853)
Ptychodera bahamensis Spengel, 1893
Ptychodera ceylonica Spengel, 1893 accepted as Ptychodera flava Eschscholtz, 1825
Ptychodera erythrea Spengel, 1893 accepted as Ptychodera flava Eschscholtz, 1825
Ptychodera flava Eschscholtz, 1825
Ptychodera pelsarti Dakin, 1916
Ptychodera viridis Punnett, 1903
Rhabdopleura annulata Norman, 1921
Rhabdopleura compacta Hincks, 1880
Rhabdopleura grimaldi Jullien, 1890 (uncertain > nomen dubium )
Rhabdopleura manubialis Jullien & Calvet, 1903 (uncertain > nomen dubium )
Rhabdopleura mirabilis Sars, 1872 accepted as Rhabdopleura normani Allman, 1869
Rhabdopleura normani Allman, 1869
Rhabdopleura striata Schepotieff, 1909
Ritteria ambigua Deland, Cameron, Rao, Ritter & Bullock, 2010