| Nominal Species (n = 399) | Present allocation (n = 372) | Ref. |
|---|---|---|
| Staurotheca abyssalis Peña Cantero & Vervoort, 2003 | Staurotheca abyssalis | 3125 |
| Sertularella acutidentata Billard, 1919 | Sertularella acutidentata | 8278 |
| Sertularella acutidentata acutidentata Billard, 1919 | Sertularella acutidentata | 101930 |
| Sertularella acutidentata profunda Vervoort, 1993 | Sertularella acutidentata | 3477 |
| Thuiaria acutiloba Kirchenpauer, 1884 | Thuiaria acutiloba | 8278 |
| Antarctoscyphus admirabilis Peña-Cantero, Svoboda & Vervoort, 1999 | Antarctoscyphus admirabilis | 8278 |
| Tasmanaria aegis Watson & Vervoort, 2001 | Tasmanaria aegis | 8278 |
| Selaginopsis affinis Jäderholm, 1904 | Staurotheca affinis | 7414 |
| Sertularella africana Stechow, 1919 | Sertularella africana | 8278 |
| Sertularella agulhenis Millard, 1964 | Sertularella agulhenis | 8278 |
| Salacia alata Watson, 2000 | Salacia alata | 8278 |
| Thuiaria alba Fraser, 1911 | Thuiaria alba | 1663 |
| Sertularella albida Kirchenpauer, 1884 | Sertularella albida | 19 |
| Sertularia albimaris Mereschkowsky, 1878 | Sertularia albimaris | 19 |
| Abietinaria alexanderi Nutting, 1904 | Abietinaria alexanderi | 19 |
| Thuiaria alternans Naumov, 1952 | Thuiaria alternans | 19 |
| Diphasia alternata Galea, 2019 | Diphasia alternata | 3477 |
| Thuiaria alternitheca Levisen, 1893 | Thuiaria alternitheca | 1663 |
| Symplectoscyphus amoenus Vervoort & Watson, 2003 | Symplectoscyphus amoenus | 8278 |
| Abietinaria amphora Nutting, 1904 | Abietinaria amphora | 19 |
| Gonaxia amphorifera Vervoort, 1993 | Gonaxia amphorifera | 8278 |
| Sertularella amphorifera Allman, 1877 | Sertularella amphorifera | 19 |
| Staurotheca amphorophora Naumov & Stepanýants, 1962 | Staurotheca amphorophora | 3125 |
| Sertularia amplectens Allman, 1885 | Tridentata marginata | 1663 |
| Dictyocladium amplexum Vervoort & Watson, 2003 | Dictyocladium amplexum | 8278 |
| Gonaxia ampullacea Vervoort, 1993 | Gonaxia ampullacea | 8278 |
| Sertularella ampullacea Fraser, 1938 | Sertularella ampullacea | 8278 |
| Symplectoscyphus anae Peña-Cantero, Svoboda & Vervoort, 2002 | Symplectoscyphus anae | 8278 |
| Sertularella anguina Vervoort, 1993 | Sertularella anguina | 3477 |
| Sertularella angulosa Bale, 1894 | Sertularella robusta | 3477 |
| Symplectoscyphus annae Peña Cantero, Svoboda & Vervoort, 2002 | Symplectoscyphus annae | 3125 |
| Gonaxia anonyma Vervoort, 1993 | Gonaxia anonyma | 3477 |
| Sertularella antarctica Hartlaub, 1901 | Sertularella antarctica | 8278 |
| Staurotheca antarctica Hartlaub, 1904 | Staurotheca antarctica | 3125 |
| Sertularia arctica Allman, 1876 | Sertularia tenera | 75097 |
| Sertularella areyi Nutting, 1904 | Sertularella areyi | 19 |
| Sertularia argentea Linnaeus, 1758 | Sertularia argentea | 1663 |
| Sertularella argentina El Beshbeeshy, 1991 | Sertularella argentinica | 3477 |
| Sertularella argentinica El Beshbeeshy, 1991 | Sertularella argentinica | 87801 |
| Sertularella articulata Jäderholm, 1904 | Antarctoscyphus elongatus | 87727 |
| Sertularia articulata Allman, 1888 | Antarctoscyphus elongatus | 3477 |
| Antarctoscyphus asymmetricus Peña Cantero, Garcia Carrascosa & Vervoort, 1997 | Antarctoscyphus asymmetricus | 3477 |
| Sertularella atlantica Stechow, 1930 | Sertularella tenella | 75097 |
| Gonaxia australis Vervoort & Watson, 2003 | Gonaxia australis | 8278 |
| Staurotheca australis Peña Cantero, Svoboda & Vervoort, 1997 | Staurotheca australis | 3125 |
| Amphisbetia avia Watson, 1975 | Amphisbetia avia | 8278 |
| Sertularella avrilia Watson, 1973 | Sertularella avrilia | 8278 |
| Thuiaria barentsi Naumov, 1960 | Thuiaria articulata | 75097 |
| Symplectoscyphus bathyalis Vervoort, 1972 | Symplectoscyphus bathyalis | 8774 |
| Symplectoscyphus bathypacificus Vervoort, 1993 | Symplectoscyphus bathypacificus | 8278 |
| Hydrallmania bicalycula Coughtrey, 1876 | Salacia bicalycula | 88965 |
| Crateritheca bidens Vervoort & Watson, 2003 | Crateritheca bidens | 8278 |
| Salacia bidentata Watson, 2000 | Salacia bidentata | 8278 |
| Sertularella biformis Jäderholm, 1905 | Antarctoscyphus biformis | 3477 |
| Thyroscyphoides biformis Naumov, 1955 | Thyroscyphoides biformis | 19 |
| Dynamena bilamellata Watson, 2000 | Dynamena bilamellata | 8278 |
| Sertularella billardi Vervoort, 1993 | Sertularella billardi | 8278 |
| Sertularella bipectinata Vervoort, 1993 | Sertularella bipectinata | 8278 |
| Sertularia birulae Shidlovskii, 1902 | Sertularia albimaris | 75097 |
| Dictyocladium biseriale Vervoort, 1993 | Dictyocladium biseriale | 8278 |
| Sertularia borneensis Billard, 1925 | Sertularia borneensis | 8278 |
| Sertularella brandti Linko, 1912 | Sertularella brandti | 19 |
| Sertularia brashnikowi Kudelin, 1914 | Sertularia brashnikowi | 19 |
| Amphisbetia brevis Stechow, 1923 | Amphisbetia brevis | 8278 |
| Gonaxia bulbifera Vervoort, 1993 | Gonaxia bulbifera | 8278 |
| Symplectoscyphus candelabrum Vervoort & Watson, 2003 | Symplectoscyphus candelabrum | 8278 |
| Sertularella capensis Millard, 1957 | Sertularella capensis | 8278 |
| Thuiaria carica Levinsen, 1893 | Thuiaria carica | 1663 |
| Sertularia carolinensis Verrill, 1872 | Sertularia carolinensis | 19 |
| Diphasia cauloatheca Billard, 1920 | Diphasia cauloatheca | 8278 |
| Sertularia ceylonensis Stechow, 1921 | Sertularia ceylonensis | 8278 |
| Sertularella clarkii Mereschkowsky, 1878 | Sertularella clarkii | 1663 |
| Sertularella clausa Allman, 1888 | Sertularella clausa | 19 |
| Hydrallmania clavaformis Galea, 2019 | Hydrallmania clavaformis | 3477 |
| Dictyocladium coactum Stechow, 1923 | Dictyocladium coactum | 8278 |
| Sertularella columnaria Briggs, 1914 | Symplectoscyphus columnarius | 88974 |
| Symplectoscyphus commensalis Vervoort, 1993 | Symplectoscyphus commensalis | 8278 |
| Gonaxia compacta Vervoort, 1993 | Gonaxia compacta | 8278 |
| Gonaxia complexa Vervoort, 1993 | Gonaxia complexa | 8278 |
| Sertularella complexa Nutting, 1904 | Sertularella complexa | 19 |
| Staurotheca compressa Briggs, 1938 | Staurotheca compressa | 7414 |
| Sertularella conella Stechow, 1920 | Sertularella conella | 1663 |
| Symplectoscyphus confusus Totton, 1930 | Symplectoscyphus confusus | 19 |
| Sertularella congregata Millard, 1964 | Sertularella congregata | 8278 |
| Sertularella conica Allman, 1877 | Sertularella conica | 19 |
| Selaginopsis constans Fraser, 1948 | Selaginopsis constans | 19 |
| Symplectoscyphus constrictus Totton, 1930 | Symplectoscyphus constrictus | 19 |
| Sertularia converrucosa Naumov, 1960 | Sertularia converrucosa | 19 |
| Dynamena cornicina Mccrady, 1858 | Dynamena cornicina | 19 |
| Thuiaria cornigera Kudelin, 1914 | Thuiaria cornigera | 19 |
| Staurotheca cornuta Peña Cantero, Garcia Carrascosa & Vervoort, 1999 | Staurotheca cornuta | 7414 |
| Thuiaria coronifera Allman, 1876 | Thuiaria coronifera | 19 |
| Sertularella costata Leloup, 1940 | Sertularella costata | 8278 |
| Gonaxia crassa Vervoort, 1993 | Gonaxia crassa | 8278 |
| Sertularella crassa Billard, 1919 | Sertularella crassa | 8278 |
| Gonaxia crassicaulis Vervoort, 1993 | Gonaxia crassicaulis | 8278 |
| Abietinaria crassiparia Naumov, 1960 | Abietinaria crassiparia | 19 |
| Sertularella crassiuscula Bale, 1924 | Sertularella crassiuscula | 19 |
| Sertularella craticula Naumov, 1960 | Sertularella craticula | 19 |
| Sertularella crenulata Nutting, 1905 | Sertularella crenulata | 8278 |
| Dynamena crisioides Lamouroux, 1824 | Dynamena crisioides | 813 |
| Diphasia cristata Billard, 1920 | Diphasia cristata | 8278 |
| Abietinaria cruciformis Antsulevich, 1987 | Abietinaria cruciformis | 8278 |
| Gonaxia crusgalli Vervoort, 1993 | Gonaxia crusgalli | 8278 |
| Sertularia cuperssina Linnaeus, 1758 | Sertularia cuperssina | 19 |
| Sertularia cupressina Linnaeus, 1758 | Sertularia cupressina | 1663 |
| Sertularia cupressoides Clark, 1876 | Sertularia cupressoides | 19 |
| Sertularella curta Galea & Schories, 2014 | Sertularella curta | 3477 |
| Sertularella curvatus Jäderholm, 1917 | Symplectoscyphus curvatus | 63546 |
| Thuiaria cylindrica Clark, 1876 | Thuiaria cylindrica | 19 |
| Sertularella decipiens Billard, 1919 | Sertularella decipiens | 8278 |
| Diphasia delagei Billard, 1912 | Diphasia delagei | 19 |
| Dynanema densa Stechow, 1919 | Dynamena disticha | 75097 |
| Staurotheca densa Peña Cantero & Vervoort, 2003 | Staurotheca densa | 3125 |
| Symplectoscyphus densestriatus Tang, 1991 | Symplectoscyphus naumovi | 75097 |
| Sertularia desmoides Torrey, 1902 | Sertularia desmoides | 19 |
| Staurotheca dichotoma Allman, 1888 | Staurotheca dichotoma | 3125 |
| Salacia disjuncta Millard, 1964 | Salacia disjuncta | 8278 |
| Hydrallmania distans Nutting, 1899 | Hydrallmania distans | 19 |
| Thuiaria distans Fraser, 1914 | Thuiaria distans | 8278 |
| Sertularia drachi Vannucci, 1949 | Sertularia drachi | 8278 |
| Diphasia dubia Hargitt, 1927 | Diphasia dubia | 8278 |
| Sertularella dubia Billard, 1907 | Sertularella dubia | 8278 |
| Sertularia echinocarpa Allman, 1888 | Staurotheca echinocarpa | 3477 |
| Sertularella edentula Bale, 1924 | Sertularella edentula | 19 |
| Symplectoscyphus effusus Vervoort, 1993 | Symplectoscyphus effusus | 8278 |
| Gonaxia elegans Vervoort, 1993 | Gonaxia elegans | 8278 |
| Sertularella elongata Jäderholm, 1904 | Antarctoscyphus elongatus | 3477 |
| Abietinaria elsaeoswaldae Stechow, 1923 | Abietinaria elsaeoswaldae | 8278 |
| Antarctoscyphus encarnae Peña-Cantero, Garcia-Carrascosa & Vervoort, 1997 | Antarctoscyphus encarnae | 8278 |
| Symplectoscyphus epizoicus Watson, 1973 | Symplectoscyphus epizoicus | 8278 |
| Symplectoscyphus epizooticus Totton, 1930 | Symplectoscyphus epizooticus | 19 |
| Sertularella erecta Naumov & Stepan'yants, 1962 | Sertularella erecta | 19 |
| Gonaxia errans Vervoort, 1993 | Gonaxia errans | 8278 |
| Thuiaria excepticea Fenyuk, 1947 | Thuiaria excepticea | 8278 |
| Dynamena exigua Allman, 1877 | Dynamena disticha | 75097 |
| Sertularella exigua Thompson, 1879 | Sertularella exigua | 19 |
| Sertularia exigua Allman, 1877 | Dynamena disticha | 19 |
| Sertularella exilis Fraser, 1938 | Sertularella exilis | 19 |
| Symplectoscyphus exochus Blanco, 1982 | Symplectoscyphus exochus | 8278 |
| Abietinaria expansa Fraser, 1948 | Abietinaria expansa | 19 |
| Sertularia fabricii Levinsen, 1893 | Sertularia fabricii | 19 |
| Thuiaria fabricii Nutting, 1904 | Thuiaria fabricii | 19 |
| Sertularella falsa Millard, 1957 | Sertularella polyzonias | 75097 |
| Thuiaria farquhari Bale, 1924 | Salacia farquhari | 88965 |
| Dictyocladium flabellum Nutting, 1904 | Dictyocladium flabellum | 19 |
| Salacia flavidula Watson, 2000 | Salacia flavidula | 8278 |
| Sertularia flexilis Thompson, 1879 | Sertularia flexilis | 8278 |
| Sertularella formosa Fewkes, 1881 | Sertularella formosa | 19 |
| Antarctoscyphus fragilis Peña-Cantero, Svoboda & Vervoort, 1999 | Antarctoscyphus fragilis | 8278 |
| Salacia fraseri Calder, 1991 | Thuiaria fraseri | 19 |
| Sertularia frigida Stechow, 1921 | Sertularia frigida | 8278 |
| Staurotheca frigida Peña Cantero, Svoboda & Vervoort, 1997 | Staurotheca frigida | 3125 |
| Symplectoscyphus frigidus Peña Cantero, Svobodo & Vervoort, 2002 | Symplectoscyphus frigidus | 3125 |
| Sertularella fuegonensis El Beshbeeshy, 2011 | Sertularella fuegonensis | 3477 |
| Sertularia furcata Trask, 1857 | Sertularia furcata | 19 |
| Sertularella fusoides Stechow, 1926 | Sertularella fusoides | 8278 |
| Abietinaria gagarae Naumov, 1960 | Abietinaria gagarae | 19 |
| Sertularella geniculata Hincks, 1874 | Sertularella tenella | 19 |
| Sertularella geodiae Totton, 1930 | Sertularella geodiae | 19 |
| Sertularella gigantea Mereschkowsky, 1878 | Sertularella gigantea | 19 |
| Sertularella glacialis Jäderholm, 1904 | Symplectoscyphus glacialis | 7416 |
| Staurotheca glomulosa Peña Cantero, Svoboda & Vervoort, 1997 | Staurotheca glomulosa | 3125 |
| Sertularella goliathus Stechow, 1923 | Sertularella goliathus | 8278 |
| Thuiaria gonorhiza Naumov, 1952 | Thuiaria gonorhiza | 19 |
| Abietinaria gracilis Nutting, 1904 | Abietinaria gracilis | 19 |
| Sertularia gracilis Hassall, 1848 | Sertularia distans | 19 |
| Sertularia gracillima Bale, 1926 | Sertularia gracillima | 8278 |
| Gonaxia grandis Vervoort & Watson, 2003 | Gonaxia grandis | 8278 |
| Selaginopsis hartlaubi Nutting, 1904 | Selaginopsis hartlaubi | 19 |
| Sertularia hattorii Leloup, 1940 | Sertularia hattorii | 8278 |
| Sertularella helenae Vervoort, 1993 | Sertularella helenae | 8278 |
| Symplectoscyphus hero Blanco, 1977 | Symplectoscyphus hero | 3125 |
| Thuiaria hippuris Allman, 1874 | Thuiaria hippuris | 19 |
| Symplectoscyphus howensis Vervoort & Watson, 2003 | Symplectoscyphus howensis | 8278 |
| Symplectoscyphus hozawai Stechow, 1931 | Symplectoscyphus hozawai | 8278 |
| Sertularella humilis Fraser, 1943 | Sertularella humilis | 8278 |
| Sertularia hupferi Broch, 1914 | Sertularia rugosissima | 75097 |
| Abietinaria immersa Vervoort, 1993 | Abietinaria immersa | 8278 |
| Gonaxia immersa Vervoort & Watson, 2003 | Gonaxia immersa | 8278 |
| Thuiaria immersa Nutting, 1904 | Thuiaria laxa | 19 |
| Sertularella inabai Stechow, 1913 | Sertularella inabai | 8278 |
| Sertularella inconstans Billard, 1919 | Sertularella inconstans | 8278 |
| Diphasia inornata Nutting, 1927 | Diphasia inornata | 8278 |
| Thuiaria insociabilis Fraser, 1948 | Thuiaria insociabilis | 19 |
| Sertularella integra Allman, 1876 | Sertularella integra | 19 |
| Gonaxia intercalata Vervoort & Watson, 2003 | Gonaxia intercalata | 8278 |
| Gonaxia intermedia Vervoort, 1993 | Gonaxia intermedia | 8278 |
| Sertularia intermedia Levinsen, 1913 | Sertularia intermedia | 8278 |
| Sertularella intricata Billard, 1919 | Sertularella intricata | 19 |
| Thuiaria invicea Naumov, 1960 | Thuiaria invicea | 8278 |
| Thuiaria involuta Naumov, 1960 | Thuiaria involuta | 19 |
| Staurotheca jaederholmi Stechow, 1920 | Staurotheca jaederholmi | 3125 |
| Dynamena japonica Stechow, 1920 | Dynamena japonica | 8278 |
| Sertularella japonica Stechow, 1926 | Sertularella japonica | 8278 |
| Symplectoscyphus johnstoni subtropicus Ralph, 1961 | Symplectoscyphus johnstoni | 101930 |
| Symplectoscyphus johnstoni tropicus Vervoort, 1993 | Symplectoscyphus johnstoni | 3477 |
| Sertularella jorgensis El Beshbeeshy, 2011 | Sertularella jorgensis | 3477 |
| Selaginopsis juncea Vanhöffen, 1910 | Staurotheca juncea | 7414 |
| Abietinaria juniperus Kirchenpauer, 1884 | Abietinaria juniperus | 8278 |
| Sertularella keiensis Billard, 1925 | Sertularella keiensis | 8278 |
| Thuiaria kolaeensis Jäderholm, 1907 | Thuiaria articulata | 1663 |
| Thuiaria kudelini Naumov, 1960 | Thuiaria kudelini | 19 |
| Thuiaria kurilae Nutting, 1904 | Thuiaria kurilae | 8278 |
| Thuiaria lata Bale, 1882 | Sertularella pinnata | 75097 |
| Sertularia latiuscula Stimpson, 1854 | Sertularia latiuscula | 19 |
| Thuiaria laxa Allman, 1874 | Thuiaria laxa | 1663 |
| Thuiaria lebedi Naumov, 1960 | Thuiaria lebedi | 19 |
| Sertularella leiocarpoides Vervoort, 1993 | Sertularella leiocarpoides | 8278 |
| Idiellana lepida Watson, 2000 | Idiellana lepida | 8278 |
| Sertularella levigata Stechow, 1931 | Sertularella levigata | 8278 |
| Sertularia ligulata Thornely, 1904 | Sertularia ligulata | 8278 |
| Sertularia linkoi Kudelin, 1914 | Sertularia linkoi | 8278 |
| Sertularella liouvillei Billard, 1914 | Symplectoscyphus liouvillei | 7416 |
| Sertularia littoralis Thornely, 1900 | Sertularia littoralis | 8278 |
| Sertularia loculosa Busk, 1852 | Sertularia loculosa | 813 |
| Sertulari longicosta Coughtrey, 1876 | Amphisbetia episcopus | 75097 |
| Sertularia maccallumi Bartlett, 1907 | Sertularia maccallumi | 8278 |
| Salacia macer Vervoort & Watson, 2003 | Salacia macer | 8278 |
| Symplectoscyphus macroscyphus Vervoort & Watson, 2003 | Symplectoscyphus macroscyphus | 8278 |
| Abietinaria macrotheca Naumov, 1960 | Abietinaria macrotheca | 8278 |
| Sertularella magna Nutting, 1904 | Sertularella magna | 19 |
| Sertularia malayensis Billard, 1925 | Sertularia malayensis | 3477 |
| Symplectoscyphus marionensis Millard, 1971 | Symplectoscyphus marionensis | 8278 |
| Sertularella mawsoni Briggs, 1938 | Antarctoscyphus mawsoni | 87727 |
| Symplectoscyphus mawsoni Briggs, 1938 | Antarctoscyphus mawsoni | 3477 |
| Sertularella mediterranea Hartlaub, 1901 | Sertularella mediterranea | 19 |
| Sertularella megastoma Nutting, 1904 | Sertularella megastoma | 8278 |
| Sertularella megista Stechow, 1923 | Sertularella megista | 8278 |
| Abietinaria melo Kirchenpauer, 1884 | Abietinaria melo | 8278 |
| Thuiaria mereschkowskii Kudelin, 1914 | Thuiaria mereschkowskii | 19 |
| Abietinaria merkii Kirchenpauer, 1884 | Abietinaria merkii | 8278 |
| Sertularella microtheca Leloup, 1974 | Sertularella robusta | 3477 |
| Sertularella microtheca Leloup, 1974 | Sertularella microtheca | 8278 |
| Sertularia minima D’Arcy Thompson, 1879 | Amphisbetia minima | 88965 |
| Sertularella minuscula Billard, 1925 | Sertularella minuscula | 8278 |
| Diphasia minuta Billard, 1920 | Diphasia minuta | 8278 |
| Sertularella mirabilis Jäderholm, 1896 | Sertularella mirabilis | 8278 |
| Sertularella miurensis Stechow, 1921 | Sertularella miurensis | 8278 |
| Caminothujaria molukkana Campenhausen, 1896 | Caminothujaria molukkana | 8278 |
| Tasmanaria monticola Watson & Vervoort, 2001 | Tasmanaria monticola | 8278 |
| Staurotheca multifurcata Peña Cantero, Garcia Carrascosa & Vervoort, 1999 | Staurotheca multifurcata | 7414 |
| Sertularella mutsuensis Stechow, 1931 | Sertularella mutsuensis | 19 |
| Sertularella natalensis Millard, 1968 | Sertularella natalensis | 8278 |
| Symplectoscyphus naumovi Blanco, 1969 | Symplectoscyphus naumovi | 3125 |
| Symplectoscyphus nesioticus Blanco, 1977 | Symplectoscyphus nesioticus | 7416 |
| Staurotheca nonscripta Peña Cantero, Svobodo & Vervoort, 1997 | Staurotheca nonscripta | 3125 |
| Sertularia notabilis Fraser, 1947 | Sertularia notabilis | 813 |
| Sertularella novaecaledoniae Vervoort, 1993 | Sertularella novaecaledoniae | 8278 |
| Diphasia nuttingi Stechow, 1913 | Diphasia nuttingi | 8278 |
| Sertularella nuttingi Billard, 1914 | Sertularella nuttingi | 8278 |
| Sertularia nuttingi Levinsen, 1913 | Sertularia nuttingi | 8278 |
| Dynamena obliqua Lamouroux, 1816 | Dynamena obliqua | 8278 |
| Symplectoscyphus odontiferus Vervoort & Watson, 2003 | Symplectoscyphus odontiferus | 8278 |
| Dynamena ogasawarana Hirohito, 1974 | Dynamena ogasawarana | 8278 |
| Amphisbetia olseni Watson, 1973 | Amphisbetia olseni | 8278 |
| Sertularia operculata Linnaeus, 1758 | Amphisbetia operculata | 3477 |
| Sertularia operculata Linnaeus, 1758 | Sertularia operculata | 19 |
| Dynamena opposita Galea, 2019 | Dynamena opposita | 3477 |
| Diphasia orientalis Billard, 1920 | Diphasia orientalis | 8278 |
| Selaginopsis ornata Nutting, 1904 | Selaginopsis cylindrica | 19 |
| Sertularella ornata Broch, 1933 | Sertularella ornata | 8278 |
| Sertularia orthogonalis Gibbons & Ryland, 1989 | Sertularia orthogonalis | 8278 |
| Diphasia paarmani Nutting, 1904 | Diphasia paarmani | 8278 |
| Selaginopsis pachyclada Jäderholm, 1904 | Staurotheca pachyclada | 7414 |
| Gonaxia pachyclados Vervoort, 1993 | Gonaxia pachyclados | 8278 |
| Abietinaria pacifica Stechow, 1923 | Abietinaria pacifica | 19 |
| Amphisbetia pacifica Stechow, 1931 | Amphisbetia pacifica | 8278 |
| Tasmanaria pacifica Vervoort & Watson, 2003 | Tasmanaria pacifica | 8278 |
| Sertularella paessleri Hartlaub, 1901 | Sertularella paessleri | 8278 |
| Diphasia palmata Nutting, 1905 | Diphasia palmata | 8278 |
| Sertularella parvula Mammen, 1965 | Sertularella parvula | 8278 |
| Sertularella paucicostata Vervoort, 1993 | Sertularella paucicostata | 8278 |
| Symplectoscyphus paulensis Stechow, 1923 | Symplectoscyphus paulensis | 8278 |
| Sertularella peculiaris Leloup, 1974 | Sertularella peculiaris | 3477 |
| Sertularella pedrensis Torrey, 1904 | Sertularella pedrensis | 19 |
| Sertularella perculiaris Leloup, 1974 | Sertularella perculiaris | 3477 |
| Sertularella peregrina Bale, 1926 | Sertularella simplex | 75097 |
| Gonaxia perplexa Vervoort, 1993 | Gonaxia perplexa | 8278 |
| Sertularia perpusilla Stechow, 1911 | Sertularia perpusilla | 8278 |
| Gonaxia persimilis Vervoort, 1993 | Gonaxia persimilis | 8278 |
| Diphasia pinaster Ellis & Solander, 1786 | Diphasia pinaster | 19 |
| Thuiaria pinna Naumov, 1960 | Thuiaria pinna | 19 |
| Selaginopsis pinnata Mereschkowsky, 1878 | Selaginopsis cylindrica | 19 |
| Sertularella pinnata Clark, 1876 | Sertularella pinnata | 8278 |
| Symplectoscyphus pirsa Watson, 2018 | Symplectoscyphus pirsa | 3477 |
| Staurotheca plana Peña Cantero, Svoboda & Vervoort, 1997 | Staurotheca plana | 3125 |
| Sertularella plectilis Hickson & Gravely, 1907 | Symplectoscyphus plectilis | 7416 |
| Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997 | Staurotheca polarsterni | 3125 |
| Sertularia pourtalesi Nutting, 1877 | Dynamena disticha | 19 |
| Sertularella producta Allman, 1888 | Sertularella producta | 8278 |
| Staurotheca profunda Peña Cantero & Vervoort, 2003 | Staurotheca profunda | 3125 |
| Symplectoscyphus pseudocolumnarius Vervoort, 1993 | Symplectoscyphus pseudocolumnarius | 8278 |
| Sertularella pseudocostata Vervoort, 1993 | Sertularella pseudocostata | 8278 |
| Symplectoscyphus pseudodivaricatus Ralph, 1961 | Symplectoscyphus pseudodivaricatus | 19 |
| Papilionella pterophora Antsulevich & Vervoort, 1993 | Papilionella pterophora | 8278 |
| Diphasia pulchra Nutting, 1904 | Abietinaria pulchra | 19 |
| Sertularella pulchra Stechow, 1923 | Sertularella pulchra | 8278 |
| Sertularella pygmaea Bale, 1881 | Symplectoscyphus pygmaeus | 88965 |
| Sertularella quadrata Nutting, 1895 | Sertularella quadrata | 8278 |
| Sertularella quadridens cornuta Ritchie, 1909 | Sertularella quadridens | 3477 |
| Sertularella quadrifida Hartlaub, 1901 | Sertularella quadrifida | 8278 |
| Sertularella quinquelaminata Stechow, 1931 | Sertularella quinquelaminata | 8278 |
| Symplectoscyphus ralphae Vervoort, 1993 | Symplectoscyphus ralphae | 8278 |
| Amphisbetia ramifera Watson, 2019 | Amphisbetia ramifera | 3477 |
| Sertularella ramosa Thompson, 1879 | Sertularella ramosa | 19 |
| Abietinaria raritheca Naumov, 1960 | Abietinaria raritheca | 19 |
| Sertularia rathbuni Nutting, 1904 | Dynamena dalmasi | 75097 |
| Sertularella richardsoni Ralph, 1961 | Sertularella richardsoni | 19 |
| Abietinaria rigida Fraser, 1911 | Abietinaria rigida | 19 |
| Diphasia robusta Fraser, 1943 | Diphasia robusta | 19 |
| Gonaxia robusta Vervoort, 1993 | Gonaxia robusta | 8278 |
| Sertularella robusta Coughtrey, 1876 | Sertularella robusta | 19 |
| Sertularella robustoides Mulder & Trebilcock, 1915 | Sertularella robustoides | 8278 |
| Symplectoscyphus rostratus Watson, 1973 | Symplectoscyphus rostratus | 8278 |
| Sertularia rugosissima Thornely, 1904 | Sertularia rugosissima | 813 |
| Thuiaria sachalini Kudelin, 1914 | Thuiaria sachalini | 19 |
| Sertularella sagamina Stechow, 1921 | Sertularella sagamina | 8278 |
| Diphasia scalariformis Kirkpatrick, 1890 | Diphasia scalariformis | 8278 |
| Gonaxia scalariformis Vervoort, 1993 | Gonaxia scalariformis | 8278 |
| Sertularia schmidti Kudelin, 1914 | Sertularia schmidti | 19 |
| Sertularia schydlowskii Kudelin, 1914 | Sertularia albimaris | 75097 |
| Sertularia secunda Heller, 1868 | Sertularia secunda | 8278 |
| Thuiaria shetlandica Naumov & Stepan'yants, 1972 | Staurotheca compressa | 75097 |
| Salacia sibogae Billard, 1924 | Salacia sibogae | 8278 |
| Gonaxia similis Vervoort, 1993 | Gonaxia similis | 8278 |
| Sertularella similis Fraser, 1948 | Sertularella similis | 19 |
| Sertularia similis Clark, 1876 | Sertularia similis | 8278 |
| Thuiaria simplex Fraser, 1938 | Thuiaria simplex | 19 |
| Sertularella sinensis Jäderholm, 1896 | Sertularella sinensis | 8278 |
| Gonaxia sinuosa Vervoort, 1993 | Gonaxia sinuosa | 8278 |
| Sertularella sinuosa Fraser, 1948 | Sertularella sinuosa | 19 |
| Fraseroscyphus sinuosus Fraser, 1948 | Fraseroscyphus sinuosus | 8278 |
| Symplectoscyphus sofiae Peña Cantero, Svoboda & Vervoort, 2002 | Symplectoscyphus sofiae | 3125 |
| Sertularella solidula Bale, 1882 | Symplectoscyphus indivisus | 75097 |
| Sertularella spinosa Kirchenpauer, 1884 | Sertularella spinosa | 19 |
| Symplectoscyphus spiraliformis Vervoort & Watson, 2003 | Symplectoscyphus spiraliformis | 8278 |
| Abietinaria spiralis Naumov, 1960 | Abietinaria spiralis | 19 |
| Sertularella spiralis Hickson & Gravely, 1907 | Antarctoscyphus spiralis | 3477 |
| Sertularella spirifera Stechow, 1931 | Sertularella spirifera | 8278 |
| Symplectoscyphus spiritualis Totton, 1930 | Symplectoscyphus spiritualis | 19 |
| Sertularia stabilis Fraser, 1942 | Sertularia stabilis | 19 |
| Sertularia staurotheca Naumov, 1960 | Sertularia staurotheca | 19 |
| Sertularia stechowi Hirohito, 1995 | Sertularia stechowi | 8278 |
| Thuiaria stelleri Kirchenpauer, 1884 | Thuiaria stelleri | 8278 |
| Sertularella stolonifera Vervoort & Watson, 2003 | Sertularella stolonifera | 8278 |
| Sertularia stolonifera Hartlaub, 1904 | Staurotheca stolonifera | 7414 |
| Sertularella striata Stechow, 1923 | Sertularella striata | 8278 |
| Gonaxia stricta Vervoort, 1993 | Gonaxia stricta | 8278 |
| Sertularia subtilis Fraser, 1937 | Sertularia rugosissima | 75097 |
| Thyroscyphoides sympodialis Watson, 2003 | Thyroscyphoides sympodialis | 3477 |
| Sertularella tanneri Nutting, 1904 | Sertularella tanneri | 19 |
| Gonaxia tasmanica Watson & Vervoort, 2001 | Gonaxia tasmanica | 8278 |
| Sertularella tasmanica Bale, 1915 | Sertularella tasmanica | 8278 |
| Sertularia tatarica Kudelin, 1913 | Sertularia tatarica | 19 |
| Sertularia tenera Sars, 1874 | Sertularia tenera | 19 |
| Sertularia tenuis Bale, 1884 | Sertularia tenuis | 19 |
| Salacia tetracythara Lamouroux, 1816 | Salacia tetracythara | 8278 |
| Diphasia tetraglochina Billard, 1907 | Diphasia tetraglochina | 8278 |
| Thuiaria tetrastriata Naumov, 1960 | Thuiaria tetrastriata | 19 |
| Sertularella thecocarpa Jarvis, 1922 | Sertularella thecocarpa | 8278 |
| Sertularia thompsoni Shidlovskii, 1902 | Sertularia tenera | 75097 |
| Diphasia thornelyi Ritchie, 1909 | Diphasia thornelyi | 8278 |
| Dictyocladium thuja Vervoort & Watson, 2003 | Dictyocladium thuja | 8278 |
| Sertularella tilesii Kirchenpauer, 1884 | Sertularella tilesii | 8278 |
| Sertularella tongensis Stechow, 1919 | Sertularia tongensis | 3477 |
| Abietinaria trigona Antsulevich, 1987 | Abietinaria trigona | 8278 |
| Sertularia trigonostoma Busk, 1852 | Sertularia trigonostoma | 8278 |
| Selaginopsis trilateralis Fraser, 1936 | Pericladium trilateralis | 19 |
| Thuiaria trilateralis Fraser, 1936 | Thuiaria trilateralis | 8278 |
| Selaginopsis triserialis Mereschkowsky, 1878 | Selaginopsis triserialis | 19 |
| Sertularia trispinosa Coughtrey, 1875 | Amphisbetia trispinosa | 88965 |
| Diphasia tropica Nutting, 1904 | Diphasia tropica | 19 |
| Dynamena tropica Stechow, 1926 | Dynamena tropica | 19 |
| Symplectoscyphus tuba Totton, 1930 | Symplectoscyphus tuba | 19 |
| Staurotheca tubifera Blanco, 1971 | Staurotheca compressa | 75097 |
| Sertularia tumida Allman, 1877 | Sertularia tumida | 8278 |
| Thuiaria undosiparietina Stepan'yants, 1979 | Staurotheca undosiparietina | 7414 |
| Sertularella undulitheca Vervoort, 1959 | Sertularella undulitheca | 8278 |
| Sertularia unguiculata Busk, 1852 | Sertularia unguiculata | 19 |
| Sertularella unilateralis Allman, 1888 | Sertularella antarctica | 87752 |
| Sertularella unituba Calder, 1991 | Sertularella unituba | 8278 |
| Selaginopsis urceolifera Kirchenpauer, 1884 | Staurotheca urceolifera | 7414 |
| Sertularella uruguayensis Mañon-Garzon & Milstein, 1973 | Sertularella uruguayensis | 8278 |
| Sertularella valdiviae Stechow, 1923 | Sertularella valdiviae | 8278 |
| Selaginopsis vanhoeffeni Peña Cantero & García Carrascosa, 1994 | Staurotheca vanhoeffeni | 7414 |
| Symplectoscyphus vanhoeffeni Totton, 1930 | Symplectoscyphus vanhoeffeni | 19 |
| Diphasia varians Jarvis, 1922 | Diphasia varians | 8278 |
| Sertularia versluysi Nutting, 1904 | Sertularia marginata | 75097 |
| Sertularia vervoorti Mogotto & Calder, 1998 | Sertularia vervoorti | 813 |
| Thuiaria vervoorti El Beshbeeshy, 1991 | Staurotheca vervoorti | 7414 |
| Sertularella wallacei Stechow, 1926 | Sertularella wallacei | 8278 |
| Diphasis wandeli Levinsen, 1893 | Diphasia fallax | 75097 |
| Symplectoscyphus weddelli Peña Cantero, Svoboda & Vervoort, 2002 | Symplectoscyphus weddelli | 3125 |
| Sertularella whitei Rees & Vervoort, 1987 | Sertularella whitei | 8278 |
| Thuiaria wulfiusi Naumov, 1960 | Thuiaria wulfiusi | 19 |
| Sertularella xantha Stechow, 1923 | Sertularella xantha | 8278 |
| Thuiaria zachsi Fenyuk, 1947 | Thuiaria zachsi | 8278 |
| Sertularella zenkevitchi Naumov, 1960 | Sertularella zenkevitchi | 19 |