IRMNG Taxon list
Aliulus caddoensis Causey, 1950
Aliulus carrollus Causey, 1950
Aliulus rugosus (Bollman, 1887)
Allajulus frisius (Verhoeff, 1891) accepted as Cylindroiulus latestriatus (Curtis, 1845)
Allajulus latestriatus (Curtis, 1845) accepted as Cylindroiulus latestriatus (Curtis, 1845)
Amblyiulus tongiorgii Strasser, 1973 accepted as Dolichoiulus tongiorgii (Strasser, 1973)
Ameractis chirogona Enghoff, 1982
Ameractis satis Causey, 1959
Aniulus acuminatus Loomis, 1976
Aniulus adelphus Chamberlin, 1940
Aniulus annectans (Chamberlin, 1921)
Aniulus austinensis Chamberlin, 1940
Aniulus bollmani Causey, 1952
Aniulus brazonus Chamberlin, 1940
Aniulus craterus Chamberlin, 1940
Aniulus dorophor Chamberlin, 1940
Aniulus fili Loomis, 1975
Aniulus fluviatilis Chamberlin, 1940
Aniulus garius (Chamberlin, 1912)
Aniulus hopius Chamberlin, 1941
Aniulus nigrans (Chamberlin, 1918)
Aniulus oreines Chamberlin, 1940
Aniulus orientalis Causey, 1952
Aniulus orthodoxus Chamberlin, 1946
Aniulus paiutus (Chamberlin, 1925)
Aniulus paludicolens Causey, 1967
Aniulus prosoicus Chamberlin, 1940
Aniulus vestigialis Loomis, 1959
Apacheiulus guadelupensis Loomis, 1975
Apacheiulus pinalensis Loomis, 1968
Aprosphylosoma darceneae Hoffman, 1961
Archiboreoiulus pallidus (Brade-Birks, 1920)
Arvechambus australis Causey, 1963
Arvechambus hummi Causey, 1963
Arvechambus weemsi Causey, 1963
Blaniulus guttulatus (Fabricius, 1798)
Bollmaniulus catalinae (Chamberlin, 1940)
Bollmaniulus concolor (Chamberlin, 1940)
Bollmaniulus furcifer (Harger, 1872)
Bollmaniulus hewitti (Chamberlin, 1919)
Bollmaniulus montanae (Chamberlin, 1940)
Bollmaniulus olympus (Causey, 1953)
Bollmaniulus pachysomus (Chamberlin, 1940)
Bollmaniulus pearcei (Chamberlin, 1943)
Bollmaniulus pugetensis Chamberlin, 1940
Bollmaniulus rhodogeus Chamberlin, 1940
Bollmaniulus signifer (Chamberlin, 1940)
Bollmaniulus spenceri (Chamberlin, 1951)
Bollmaniulus tiganus (Chamberlin, 1910)
Brachiulus pusillus (Leach, 1815)
Brachyiulus lusitanus Verhoeff, 1898
Brachyiulus pusillus (Leach, 1815)
Californiulus blechrostriatus Shelley & Bauer, 1997
Californiulus chamberlini (Brolemann, 1922)
Californiulus dorsovittatus Verhoeff, 1938
Californiulus euphanus (Chamberlin, 1938)
Californiulus parvior (Chamberlin, 1940)
Californiulus yosemitensis Chamberlin, 1941
Chelojulus sculpturatus Enghoff, 1982
Choneiulus palmatus (Némec, 1895)
Codiulus etirus Chamberlin, 1941
Codiulus oulogon Chamberlin, 1940
Cylindroiulus britannicus (Verhoeff, 1891)
Cylindroiulus brittanicus (Verhoeff, 1891)
Cylindroiulus caeruleocinctus (Wood, 1864)
Cylindroiulus frisius (Verhoeff, 1891) accepted as Cylindroiulus latestriatus (Curtis, 1845)
Cylindroiulus latestriatus (Curtis, 1845)
Cylindroiulus londinensis Leach, 1814
Cylindroiulus oweni (Bollmann, 1887) accepted as Cylindroiulus latestriatus (Curtis, 1845)
Cylindroiulus punctatus (Leach, 1815)
Cylindroiulus truncorum (Silvestri, 1896)
Cylindroiulus vulnerarius (Berlese, 1888)
Diploiulus latestriatus (Curtis, 1845) accepted as Cylindroiulus latestriatus (Curtis, 1845)
Dolichoiulus tongiorgii (Strasser, 1973)
Ethojulus amphelictus Chamberlin, 1918
Ethojulus illinoensis (Causey, 1950)
Ethojulus ligifer (Chamberlin, 1919)
Ethojulus robustior (Chamberlin, 1918)
Georgiulus hubrichti Hoffman, 1992
Georgiulus paynei Hoffman, 1992
Gosiulus aethes (Chamberlin, 1940)
Gosiulus ambiguus (Loomis, 1959)
Gosiulus conformatus Chamberlin, 1940
Gosiulus medicolens (Chamberlin, 1940)
Gosiulus nati (Loomis, 1963)
Gyniulus bufonius (Chamberlin, 1938)
Gyniulus domesticus Loomis, 1968
Gyniulus lacustrinus Loomis, 1968
Gyniulus myakkensis Loomis, 1963
Hakiulus amophor Chamberlin, 1940
Hakiulus cyaneus (Chamberlin, 1920)
Hakiulus diversifrons (Wood, 1867)
Hakiulus minori Causey, 1952
Hakiulus occidentalis Loomis, 1975
Hakiulus orthodox Chamberlin, 1940
Hakiulus texanus (Chamberlin, 1916)
Hakiulus texensis Causey, 1952
Hakiulus victorianus (Chamberlin, 1916)
Hakiulus zakiwanus (Chamberlin, 1910)
Isobates adriaticus Verhoeff, 1908 accepted as Thalassisobates littoralis (Silvestri, 1903)