URMO Taxon list
Atriolum bucinum Kott, 2001
Atriolum eversum Kott, 2001
Atriolum glauerti (Michaelsen, 1930)
Atriolum lilium Kott, 2001
Atriolum marinense Kott, 2001
Atriolum marsupialis Monniot F., 1989
Atriolum quadratum Monniot F. & Monniot C., 1996
Atriolum robustum Kott, 1983
Atriolum tubiporum Kott, 2001
Clitella nutricula Kott, 2001
Coelocormus huxleyi Herdman, 1886
Didemnium stylifera Kowalevsky, 1874 accepted as Distaplia stylifera (Kowalevsky, 1874)
Didemnum ahu Monniot C. & Monniot F., 1987
Didemnum albidum (Verrill, 1871)
Didemnum albopunctatum Sluiter, 1909
Didemnum algasedens Monniot F. & Monniot C., 2001
Didemnum amethysteum (Van Name, 1902)
Didemnum amourouxi Lafargue, 1976
Didemnum apersum Tokioka, 1953
Didemnum apuroto Monniot C. & Monniot F., 1987
Didemnum arancium Kott, 2001
Didemnum aratore Kott, 2004
Didemnum asperum (Milne Edwards, 1841) accepted as Didemnum maculosum (Milne Edwards, 1841)
Didemnum asterix Kott, 2004
Didemnum astrum Kott, 2001
Didemnum aures Monniot C., Monniot F., Griffiths & Schleyer, 2001
Didemnum beringense Romanov, 1977
Didemnum biglans (Sluiter, 1906)
Didemnum biglutinum Monniot F., 1995
Didemnum bimasculum Monniot F., 1995
Didemnum bisectatum Kott, 2001
Didemnum brevioris Monniot F. & Monniot C., 1997
Didemnum caesium Sluiter, 1909
Didemnum candidum Savigny, 1816
Didemnum captivum Monniot F. & Monniot C., 1997
Didemnum carnulentum Ritter & Forsyth, 1917
Didemnum caudiculatum Romanov, 1989
Didemnum cerebrale Michaelsen, 1920
Didemnum chartaceum Sluiter, 1909
Didemnum chilense Ärnbäck, 1929
Didemnum clavum Kott, 2001
Didemnum coccineum (Drasche, 1883)
Didemnum commune (Della Valle, 1877)
Didemnum complexum Kott, 2001
Didemnum congregatum Kott, 2004
Didemnum contortum Monniot F. & Monniot C., 1997
Didemnum coralliforme Kott, 2004
Didemnum coriaceum (Drasche, 1883)
Didemnum crescente Kott, 2001
Didemnum cuculliferum (Sluiter, 1909)
Didemnum cygnuus Kott, 2001
Didemnum dealbatum Sluiter, 1909
Didemnum delectum Kott, 2001
Didemnum dicolla Monniot F. & Monniot C., 1997
Didemnum diffundum Monniot F., 1995
Didemnum digestum Sluiter, 1909
Didemnum diversum Kott, 2004
Didemnum domesticum Kott, 2004
Didemnum dorotubu Tokioka, 1967 accepted as Didemnum psammatodes (Sluiter, 1895)
Didemnum drachi Lafargue, 1975
Didemnum ectensum Romanov, 1989
Didemnum effusium Kott, 2001
Didemnum elongatum Sluiter, 1909
Didemnum epikelp Monniot C., Monniot F., Griffiths & Schleyer, 2001
Didemnum etiolum Kott, 1982
Didemnum fibriae Kott, 2004
Didemnum filiforme Romanov, 1989
Didemnum flavoviride Monniot F., 1995
Didemnum fragile Sluiter, 1909
Didemnum fragum Kott, 2001
Didemnum fucatum Sluiter, 1909
Didemnum fulgens (Milne Edwards, 1841)
Didemnum fuscum (Oka, 1931)
Didemnum gemmiparum Romanov, 1976
Didemnum globiferum Monniot C., Monniot F., Griffiths & Schleyer, 2001
Didemnum grande (Herdman, 1886)
Didemnum granulatum Tokioka, 1954
Didemnum granulosum (Drasche, 1883)
Didemnum guttatum Monniot F. & Monniot C., 1996
Didemnum helgolandicum Michaelsen, 1921
Didemnum herba Kott, 2001
Didemnum hiopaa Monniot C. & Monniot F., 1987
Didemnum immundum Romanov, 1974
Didemnum incanum (Herdman, 1899)
Didemnum inveteratum Kott, 2001
Didemnum japonicum (Herdman, 1886)
Didemnum jedanense Sluiter, 1909
Didemnum jucundum Kott, 2001
Didemnum kurilense Romanov, 1989
Didemnum lacertosum Monniot F., 1995
Didemnum lahillei Hartmeyer, 1909
Didemnum lambitum (Sluiter, 1900)
Didemnum leopardi Monniot C., Monniot F., Griffiths & Schleyer, 2001
Didemnum levitas Kott, 2001
Didemnum ligulum Monniot F., 1983
Didemnum lillipution Kott, 2004
Didemnum linatum Kott, 2001
Didemnum linguiferum Monniot F. & Monniot C., 1996
Didemnum lissoclinum Kott, 2001
Didemnum macrosiphonium Kott, 2001