IRMNG Taxon list
Dendractis priapus Til. accepted as Metridium farcimen (Tilesius, 1809)
Isometridium richettsi Carlgren, 1949 accepted as Metridium farcimen (Tilesius, 1809)
Isometridium ricketsi accepted as Metridium farcimen (Tilesius, 1809)
Isometridium rickettsi Carlgren, 1949 accepted as Metridium farcimen (Tilesius, 1809)
Metridium achates accepted as Antholoba achates (Drayton in Dana, 1846)
Metridium canum Stuckey, 1914 accepted as Mimetridium cryptum Hand, 1961
Metridium concinnatum Drayton in Dana, 1846 accepted as Phyllactis concinnata (Drayton in Dana, 1846)
Metridium dianthus (Ellis, 1768)
Metridium exile Hand, 1956
Metridium exilis Hand, 1956
Metridium farcimen (Brandt, 1835)
Metridium farcimen (Tilesius, 1809)
Metridium giganteum Fautin, Bucklin & Hand, 1989 accepted as Metridium farcimen (Tilesius, 1809)
Metridium huanghaiense Pei, 1998
Metridium huanghaiensis Pei, 1998
Metridium marginatum
Metridium muscosum Drayton in Dana, 1846 accepted as Oulactis muscosa (Drayton in Dana, 1846)
Metridium nodosum accepted as Hormathia nodosa (Fabricius, 1780)
Metridium parvulum McMurrich, 1904
Metridium prætexta accepted as Phyllactis praetexta (Couthouy in Dana, 1846)
Metridium prætextum Couthouy in Dana, 1846 accepted as Phyllactis praetexta (Couthouy in Dana, 1846)
Metridium reticulatum Edw. & Haime accepted as Antholoba achates (Drayton in Dana, 1846)
Metridium rhodostoma Hemprich & Ehrenberg in Ehrenberg, 1834 accepted as Rhodactis rhodostoma (Hemprich & Ehrenberg in Ehrenberg, 1834)
Metridium schillerianum Stoliczka accepted as Diadumene schilleriana (Stoliczka, 1869)
Metridium senile (Linnaeus, 1761)
Metridium senilis Linnaeus, 1761 accepted as Metridium senile (Linnaeus, 1761)
Metridium sinensis Zunan, 1998
Paraisometridium pehuense Zamponi, 1978
Paraisometridium pehuensis Zamponi, 1978