IRMNG Taxon list
Alatotrochus japonicus Tachikawa, 2011
Alatotrochus rubescens (Moseley, 1876)
Australocyathus vincentinus (Dennant, 1904)
Citharocyathus conicus Alcock, 1902 accepted as Notocyathus conicus (Alcock, 1902)
Citharocyathus venustus Alcock, 1902 accepted as Notocyathus venustus (Alcock, 1902)
Conocyathus compressus Tenison-Woods, 1878 accepted as Platytrochus compressus (Tenison Woods, 1878)
Conocyathus fenestratus Tenison-Woods, 1879 †
Conocyathus formosus Cairns, 2004
Conocyathus gracilis Cairns, 1998
Conocyathus scabriculatus Dennant
Conocyathus scrobiculatus Dennant, 1902
Conocyathus sulcatus d'Orbigny, 1849 †
Conocyathus zelandiae Duncan, 1876
Cryptotrochus brevipalus Cairns, 1999
Cryptotrochus carolinensis Cairns, 1988
Cryptotrochus javanus Cairns, 1988
Cryptotrochus venustus (Alcock, 1902) accepted as Pleotrochus venustus (Alcock, 1902)
Cyathotrochus herdmani Bourne, 1905
Cyathotrochus nascornatus (Gardiner & Waugh, 1938)
Cyathotrochus pileus (Alcock, 1902)
Deltocyathoides australiensis (Duncan, 1870) †
Deltocyathoides cuspidatus (Squires, 1958) †
Deltocyathoides japonicus Yabe & Eguchi, 1932 † accepted as Deltocyathoides orientalis (Duncan, 1876)
Deltocyathoides orientalis (Duncan, 1876)
Deltocyathoides pedicellatus (Tenison-Woods, 1880) †
Deltocyathoides stimpsonii (Pourtalès, 1871)
Discotrochus astericus Squires, 1958 †
Discotrochus dentata Alcock, 1902 † accepted as Anthemiphyllia dentata (Alcock, 1902)
Discotrochus duncani Reuss, 1871 † accepted as Peponocyathus duncani (Reuss, 1871) †
Discotrochus minimus Yabe & Eguchi, 1937 † accepted as Peponocyathus minimus (Yabe & Eguchi, 1937)
Discotrochus pateriformis Dennant, 1904 †
Dunocyathus parasiticus Tenison Woods, 1878
Dunocyathus wallaceae Cairns, 2004
Endocyathopora laticostata Cairns, 1989
Foveolocyathus alternans (Cairns & Parker, 1992)
Foveolocyathus declivis (Dennant, 1901)
Foveolocyathus kitsoni (Dennant, 1901)
Foveolocyathus parkeri Cairns, 2004
Foveolocyathus verconis (Dennant, 1904)
Holcotrochus crenulatus Dennant, 1904
Holcotrochus scriptus Dennant, 1902
Idiotrochus alatus Cairns, 2004
Idiotrochus emarciatus Duncan, 1865
Idiotrochus kikutii (Yabe & Eguchi, 1941)
Kionotrochus avis Durham & Barnard, 1952 accepted as Pseudocyathoceras avis (Durham & Barnard, 1952)
Kionotrochus hoodensis Durham & Bernard, 1952 accepted as Pseudocyathoceras avis (Durham & Barnard, 1952)
Kionotrochus suteri Dennant, 1906
Lissotrochus curvatus Cairns, 2004
Notocyathus conicus (Alcock, 1902)
Notocyathus euconicus Squires, 1962 †
Notocyathus venustus (Alcock, 1902)
Oryzotrochus stephensoni Wells, 1959 accepted as Turbinolia stephensoni (Wells, 1959)
Peponocyathus australiensis (Duncan, 1870) †
Peponocyathus dawsoni Cairns, 1995
Peponocyathus duncani (Reuss, 1871) †
Peponocyathus folliculus (Pourtalès, 1868)
Peponocyathus minimus (Yabe & Eguchi, 1937)
Peponocyathus orientalis Yabe & Eguchi, 1932 accepted as Peponocyathus folliculus (Pourtalès, 1868)
Peponocyathus stimpsonii (Pourtalès, 1871) accepted as Deltocyathoides stimpsonii (Pourtalès, 1871)
Peponocyathus variabilis Gravier, 1915 accepted as Peponocyathus folliculus (Pourtalès, 1868)
Platytrochus airensis Dennant, 1902
Platytrochus compressus (Tenison Woods, 1878)
Platytrochus coronatus Pourtalès, 1867 accepted as Stephanocyathus coronatus (Pourtalès, 1867)
Platytrochus curvatus Dennant, 1902
Platytrochus hastatus Dennant, 1902
Platytrochus laevigatus Cairns & Parker, 1992
Platytrochus maudensis Dennant, 1904
Platytrochus nastatus Dennant
Platytrochus parisepta Cairns & Parker, 1992
Platytrochus rubescens Moseley, 1876 accepted as Alatotrochus rubescens (Moseley, 1876)
Platytrochus stokesi Lea
Platytrochus stokesii (Lea, 1833) †
Platytrochus vacuus (Tenison-Woods, 1877)
Pleotrochus venustus (Alcock, 1902)
Pleotrochus zibrowii Cairns, 1997
Pseudocyathoceras avis (Durham & Barnard, 1952)
Sphenotrochus alatus Tenison-Woods
Sphenotrochus andrewianus Milne Edwards & Haime, 1848
Sphenotrochus aschistus Squires, 1958 †
Sphenotrochus aurantiacus Marenzeller, 1904
Sphenotrochus auritus Pourtalès, 1874
Sphenotrochus australis Duncan
Sphenotrochus complanata Chapman
Sphenotrochus crispus (Lamarck, 1816) †
Sphenotrochus crispus Haime & Milne-Edwards
Sphenotrochus cuneolus Cairns, 2004
Sphenotrochus dentosus Boshoff, 1981
Sphenotrochus emarciatus Duncan, 1865
Sphenotrochus evexicostatus Cairns in Cairns & Keller, 1993
Sphenotrochus excavatus Tenison Woods, 1878
Sphenotrochus excisus Duncan, 1865 † accepted as Idiotrochus emarciatus Duncan, 1865
Sphenotrochus gardineri Squires, 1961
Sphenotrochus gilchristi Gardiner, 1904
Sphenotrochus hancocki Durham & Barnard, 1952
Sphenotrochus imbricaticostatus Cairns in Cairns & Keller, 1993
Sphenotrochus intermedius (Munster)
Sphenotrochus laculatus Squires, 1962 †
Sphenotrochus lindstroemi Cairns, 2000
Sphenotrochus moseri Wells, 1935 accepted as Sphenotrochus gilchristi Gardiner, 1904
Sphenotrochus ralphae Squires, 1964