• Amaroecium constellatum Verrill, 1871 accepted as Aplidium constellatum (Verrill, 1871)
• Amaroecium glabrum Verrill, 1871 accepted as Aplidium glabrum (Verrill, 1871)
• Amaroecium pallidum Verrill, 1871 accepted as Aplidium pallidum (Verrill, 1871)
• Amaroecium pellucidum (Leidy, 1855) accepted as Aplidium pellucidum (Leidy, 1855)
• Amaroecium stellatum Verrill, 1871 accepted as Aplidium stellatum (Verrill, 1871)
• Amaroucium accarense Millar, 1953 accepted as Aplidium accarense (Millar, 1953)
• Amaroucium adamsi (Brewin, 1946) accepted as Aplidium adamsi Brewin, 1946
• Amaroucium aequalisiphonis Ritter & Forsyth, 1917 accepted as Ritterella aequalisiphonis (Ritter & Forsyth, 1917)
• Amaroucium agulhaense Hartmeyer, 1912 accepted as Aplidium agulhaense (Hartmeyer, 1912)
• Amaroucium albicans Milne Edwards, 1841 accepted as Aplidium albicans (Milne Edwards, 1841)
• Amaroucium altarium Sluiter, 1909 accepted as Aplidium altarium (Sluiter, 1909)
• Amaroucium anomalum Herdman, 1899 accepted as Euclavella claviformis (Herdman, 1899)
• Amaroucium antarcticum Herdman, 1910 accepted as Aplidium vastum (Sluiter, 1912)
• Amaroucium antarcticum Peres, 1952 accepted as Aplidium peresi Monniot F., 1970
• Amaroucium antillense Gravier, 1955 accepted as Aplidium antillense (Gravier, 1955)
• Amaroucium arenatum Van Name, 1945 accepted as Aplidium arenatum (Van Name, 1945)
• Amaroucium areolata (Delle Chiaje, 1828) accepted as Aplidium areolatum (Delle Chiaje, 1828)
• Amaroucium areolatum (Delle Chiaje, 1828) accepted as Aplidium areolatum (Delle Chiaje, 1828)
• Amaroucium argus Milne Edwards, 1841 accepted as Morchellium argus (Milne Edwards, 1841)
• Amaroucium astraeoides Sluiter, 1898 accepted as Aplidium flavolineatum (Sluiter, 1898)
• Amaroucium aurorae Harant & Vernières, 1938 accepted as Aplidium aurorae (Harant & Vernières, 1938)
• Amaroucium benhami (Brewin, 1946) accepted as Aplidium benhami (Brewin, 1946)
• Amaroucium bermudae Van Name, 1902 accepted as Aplidium bermudae (Van Name, 1902)
• Amaroucium brementi Harant, 1925 accepted as Aplidium brementi (Harant, 1925)
• Amaroucium caeruleum Sluiter, 1906 accepted as Aplidium cyaneum Monniot C. & Monniot F., 1983
• Amaroucium caliculatum Savigny, 1816 accepted as Aplidium conicum (Olivi, 1792)
• Amaroucium californicum Ritter & Forsyth, 1917 accepted as Aplidium californicum (Ritter & Forsyth, 1917)
• Amaroucium circulatum Hartmeyer, 1912 accepted as Aplidium circulatum (Hartmeyer, 1912)
• Amaroucium circumvolutum (Sluiter, 1900) accepted as Aplidium circumvolutum (Sluiter, 1900)
• Amaroucium claviforme (Hartmeyer, 1912) accepted as Aplidium claviforme Hartmeyer, 1912
• Amaroucium coei Ritter, 1901 accepted as Aplidium coei (Ritter, 1901)
• Amaroucium colelloides Herdman, 1886 accepted as Aplidium colelloides (Herdman, 1886)
• Amaroucium colleloides Herdman, 1886 accepted as Aplidium colelloides (Herdman, 1886)
• Amaroucium conicum (Olivi, 1792) accepted as Aplidium conicum (Olivi, 1792)
• Amaroucium constellatum Verrill, 1871 accepted as Aplidium constellatum (Verrill, 1871)
• Amaroucium constrictum Sluiter, 1900 accepted as Aplidium constrictum (Sluiter, 1900)
• Amaroucium cottrelli Brewin, 1957 accepted as Aplidium cottrelli (Brewin, 1957)
• Amaroucium crateriferum Sluiter, 1909 accepted as Aplidium crateriferum (Sluiter, 1909)
• Amaroucium dakarensis Peres, 1948 accepted as Aplidium dakarensis (Peres, 1948)
• Amaroucium densum Giard, 1872 accepted as Aplidium densum (Giard, 1872)
• Amaroucium diaphanum (Drasche, 1883) accepted as Aplidium diaphanum (Drasche, 1883)
• Amaroucium disiphonium Beniaminson, 1975 accepted as Aplidium disiphonium (Beniaminson, 1975)
• Amaroucium distomoides Herdman, 1898 accepted as Hypsistozoa distomoides (Herdman, 1899)
• Amaroucium distomoides Herdman, 1899 accepted as Hypsistozoa distomoides (Herdman, 1899)
• Amaroucium dubium Ritter, 1899 accepted as Aplidium dubium (Ritter, 1899)
• Amaroucium erythraeum Michaelsen, 1919 accepted as Aplidium erythraeum (Michaelsen, 1919)
• Amaroucium exile Van Name, 1902 accepted as Aplidium exile (Van Name, 1902)
• Amaroucium ficus Alder & Hancock, 1912 accepted as Synoicum pulmonaria (Ellis & Solander, 1786)
• Amaroucium flavolineatum Sluiter, 1898 accepted as Aplidium flavolineatum (Sluiter, 1898)
• Amaroucium foliaceum (Sluiter, 1900) accepted as Aplidium foliaceum (Sluiter, 1900)
• Amaroucium fragile Redikorzev, 1927 accepted as Aplidium redikorzevi Sanamyan & Sanamyan, 2011
• Amaroucium fuegense (Cunningham, 1871) accepted as Aplidium fuegiense (Cunningham, 1871)
• Amaroucium fuegiense (Cunningham, 1871) accepted as Aplidium fuegiense (Cunningham, 1871)
• Amaroucium funginum (Sluiter, 1898) accepted as Aplidium funginum (Sluiter, 1898)
• Amaroucium fuscum Drasche, 1883 accepted as Aplidium fuscum Drasche, 1883
• Amaroucium galeritum Hartmeyer, 1912 accepted as Aplidium galeritum (Hartmeyer, 1912)
• Amaroucium gelatinosum Medioni, 1970 accepted as Aplidium gelatinosum (Medioni, 1970)
• Amaroucium glabrum Verrill, 1871 accepted as Aplidium glabrum (Verrill, 1871)
• Amaroucium globosum Herdman, 1886 accepted as Aplidium globosum (Herdman, 1886)
• Amaroucium haouarianum Pérès, 1956 accepted as Aplidium haouarianum (Pérès, 1956)
• Amaroucium hyalinum Pérès, 1956 accepted as Aplidium hyalinum (Pérès, 1956)
• Amaroucium incrustatum Sars, 1851 accepted as Synoicum incrustatum (Sars, 1851)
• Amaroucium inversum Pérès, 1959 accepted as Aplidium inversum (Pérès, 1959)
• Amaroucium irregulare Herdman, 1886 accepted as Aplidium irregulare (Herdman, 1886)
• Amaroucium japonicum Tokioka, 1949 accepted as Aplidium japonicum (Tokioka, 1949)
• Amaroucium kincaidi Ritter, 1899 accepted as Synoicum jordani (Ritter, 1899)
• Amaroucium kinkaidi Ritter, 1899 accepted as Synoicum jordani (Ritter, 1899)
• Amaroucium knoxi Brewin, 1956 accepted as Aplidium knoxi (Brewin, 1956)
• Amaroucium kurilense Beniaminson, 1974 accepted as Aplidium kurilense (Beniaminson, 1974)
• Amaroucium laevigatum Herdman, 1886 accepted as Aplidium fuegiense (Cunningham, 1871)
• Amaroucium lobatum (Savigny, 1816) accepted as Aplidium lobatum Savigny, 1816
• Amaroucium longicaudatum Sluiter, 1912 accepted as Aplidium fuegiense (Cunningham, 1871)
• Amaroucium loricatum Harant & Vernières, 1938 accepted as Aplidium loricatum (Harant & Vernières, 1938)
• Amaroucium lubricum Sluiter, 1898 accepted as Aplidium lubricum (Sluiter, 1898)
• Amaroucium marchei Monniot F., 1969 accepted as Aplidium marchei (Monniot F., 1969)
• Amaroucium maritimum Brewin, 1958 accepted as Aplidium maritimum (Brewin, 1958)
• Amaroucium maroccanum (Sluiter, 1927) accepted as Aplidium maroccanum (Sluiter, 1927)
• Amaroucium meridianum Sluiter, 1906 accepted as Aplidium meridianum (Sluiter, 1906)
• Amaroucium mernooensis Brewin, 1956 accepted as Aplidium mernooensis (Brewin, 1956)
• Amaroucium multiplicatum (Sluiter, 1909) accepted as Aplidium multiplicatum Sluiter, 1909
• Amaroucium mutabile Sars, 1851 accepted as Aplidium mutabile (Sars, 1851)
• Amaroucium nadaense Nishikawa, 1980 accepted as Aplidium nadaense (Nishikawa, 1980)
• Amaroucium nordmani Milne Edwards, 1841 accepted as Aplidium nordmanni (Milne Edwards, 1841)
• Amaroucium nordmanni Milne Edwards, 1841 accepted as Aplidium nordmanni (Milne Edwards, 1841)
• Amaroucium notti Brewin, 1951 accepted as Aplidium nottii (Brewin, 1951)
• Amaroucium nottii Brewin, 1951 accepted as Aplidium nottii (Brewin, 1951)
• Amaroucium oamaruensis Brewin, 1950 accepted as Aplidium oamaruensis (Brewin, 1950)
• Amaroucium obesum (Sluiter, 1898) accepted as Aplidium pantherinum (Sluiter, 1898)
• Amaroucium oculatum Beniaminson, 1974 accepted as Aplidium pliciferum (Redikorzev, 1927)
• Amaroucium ordinatum (Sluiter, 1906) accepted as Aplidium ordinatum (Sluiter, 1906)
• Amaroucium pallidulum Herdman, 1886 accepted as Aplidium irregulare (Herdman, 1886)
• Amaroucium pallidum Verrill, 1871 accepted as Aplidium pallidum (Verrill, 1871)
• Amaroucium pantherinum (Sluiter, 1898) accepted as Aplidium pantherinum (Sluiter, 1898)
• Amaroucium papillosum Alder & Hancock, 1912 accepted as Aplidium proliferum (Milne Edwards, 1841)
• Amaroucium pellucidum (Leidy, 1855) accepted as Aplidium pellucidum (Leidy, 1855)
• Amaroucium phortax Michaelsen, 1924 accepted as Aplidium phortax (Michaelsen, 1924)
• Amaroucium picardi Peres, 1954 accepted as Aplidium conicum (Olivi, 1792)
• Amaroucium pliciferum Redikorzev, 1927 accepted as Aplidium pliciferum (Redikorzev, 1927)
• Amaroucium polybunum Redikorzev, 1927 accepted as Aplidium polybunum (Redikorzev, 1927)
• Amaroucium pomum Sars, 1851 accepted as Synoicum pulmonaria (Ellis & Solander, 1786)