URMO Taxon list
Actinostola bulbosa (Carlgren, 1928)
Actinostola callosa (Verrill, 1882)
Actinostola capensis (Carlgren, 1928)
Actinostola carlgreni Wassilieff, 1908
Actinostola chilensis McMurrich, 1904
Actinostola crassicornis (Hertwig, 1882)
Actinostola excelsa McMurrich, 1823 accepted as Actinostola crassicornis (Hertwig, 1882)
Actinostola faeculenta (McMurrich, 1893)
Actinostola georgiana Carlgren, 1927
Actinostola groenlandica Carlgren, 1899
Actinostola intermedia Carlgren, 1899 accepted as Actinostola crassicornis (Hertwig, 1882)
Actinostola kerguelensis Carlgren, 1928
Actinostola spetsbergensis Carlgren, 1893 accepted as Glandulactis spetsbergensis (Carlgren, 1893)
Actinostola walteri Kwietniewski, 1898 accepted as Glandulactis spetsbergensis (Carlgren, 1893)
Anthosactis capensis Carlgren, 1938
Anthosactis epizoica (Pax, 1922)
Anthosactis excavata (Hertwig, 1882)
Anthosactis georgiana Carlgren, 1949 (unaccepted > nomen nudum )
Anthosactis ingolfi Carlgren, 1921
Anthosactis janmayeni Danielssen, 1890
Anthosactis nomados White, Wakefield Pagels & Fautin, 1999
Anthosactis pearseae Daly & Gusmão, 2007 accepted as Ostiactis pearseae (Daly & Gusmão, 2007)
Antiparactis lineolata (Couthouy in Dana, 1846)
Antiparactis lineolatus (Couthouy in Dana, 1846) accepted as Antiparactis lineolata (Couthouy in Dana, 1846)
Bathydactylus kroghi Carlgren, 1956
Bathydactylus valdiviae Carlgren, 1928
Cnidanthus polaris (Clubb, 1908)
Cymbactis faeculenta McMurrich, 1893 accepted as Actinostola faeculenta (McMurrich, 1893)
Glandulactis spetsbergensis (Carlgren, 1893)
Hadalanthus knudseni Carlgren, 1956
Paractinostola bulbosa Carlgren, 1928 accepted as Actinostola bulbosa (Carlgren, 1928)
Paractinostola capensis Carlgren, 1928 accepted as Actinostola capensis (Carlgren, 1928)
Paractinostola faeculenta (McMurrich, 1893) accepted as Actinostola faeculenta (McMurrich, 1893)
Paranthus chromatoderus (Schmarda, 1852)
Paranthus crassus (Carlgren, 1899)
Paranthus ignotus (McMurrich, 1904)
Paranthus niveus (Lesson, 1830)
Paranthus rapiformis (Le Sueur, 1817)
Paranthus rhodora (Couthouy in Dana, 1846)
Paranthus rhodorus (Couthouy in Dana, 1846) accepted as Paranthus rhodora (Couthouy in Dana, 1846)
Paranthus rugosus Andrès, 1880 accepted as Paranthus chromatoderus (Schmarda, 1852)
Parasicyonis antarctica Carlgren, 1949 (unaccepted > nomen nudum )
Parasicyonis biotrans (Riemann-Zürneck, 1991)
Parasicyonis groenlandica Carlgren, 1933
Parasicyonis ingolfi Carlgren, 1942
Parasicyonis maxima (Wassilieff, 1908) accepted as Exocoelactis actinostoloides (Wassilieff, 1908)
Parasicyonis sarsii Carlgren, 1921
Pseudoparactis tenuicollis (McMurrich, 1904)
Pycnanthus densus Carlgren, 1921
Pycnanthus fleurei (Stuckey & Walton, 1910)
Pycnanthus laevis Carlgren, 1921
Pycnanthus maliformis McMurrich, 1893
Stomphia carneola (Stimpson, 1853) accepted as Stomphia coccinea (Müller, 1776)
Stomphia coccinea (Müller, 1776)
Stomphia didemon Siebert, 1973
Stomphia japonica Carlgren, 1943
Stomphia pacifica Ross & Zamponi, 1995
Stomphia polaris (Danielssen, 1890)
Stomphia selaginella (Stephenson, 1918)
Stomphia vinosa (McMurrich, 1893)
Synsicyonis elongata (Hertwig, 1888)