• Thuiaria Fleming, 1828
• Thuiaria abyssicola Billard, 1925
• Thuiaria acutiloba Kirchenpauer, 1884
• Thuiaria affinis (Jäderholm, 1904) accepted as Staurotheca affinis (Jäderholm, 1904)
• Thuiaria alba Fraser, 1911
• Thuiaria allmani (Norman, 1878)
• Thuiaria alternans Naumov, 1952
• Thuiaria alternitheca Levinsen, 1893
• Thuiaria alternitheca f. sachalini Kudelin, 1914 accepted as Thuiaria sachalini Kudelin, 1914
• Thuiaria annulata Kirchenpauer, 1884 accepted as Abietinaria annulata (Kirchenpauer, 1884)
• Thuiaria arctica (Bonnevie, 1899)
• Thuiaria argentea (Linnaeus, 1758) accepted as Sertularia argentea Linnaeus, 1758
• Thuiaria articulata (Pallas, 1766)
• Thuiaria attenuata (Hincks, 1866) accepted as Diphasia attenuata (Hincks, 1866)
• Thuiaria barentsi Naumov, 1960 accepted as Thuiaria articulata (Pallas, 1766)
• Thuiaria bidentata (Allman, 1876) accepted as Pericladium bidentatum Allman, 1876
• Thuiaria breitfussi (Kudelin, 1914)
• Thuiaria buski (Allman, 1876) accepted as Salacia bicalycula (Coughtrey, 1876)
• Thuiaria buski var. tenuissima Trebilcock, 1928 accepted as Salacia bicalycula (Coughtrey, 1876)
• Thuiaria carica Levinsen, 1893
• Thuiaria cedrina (Linnaeus, 1758)
• Thuiaria coei Nutting, 1901 accepted as Abietinaria anguina (Trask, 1857)
• Thuiaria constans (Fraser, 1948)
• Thuiaria cornigera Kudelin, 1914
• Thuiaria coronata Allman, 1874 accepted as Salacia coronata (Allman, 1874)
• Thuiaria coronifera Allman, 1876 accepted as Thuiaria coronata Allman, 1874 accepted as Salacia coronata (Allman, 1874)
• Thuiaria costata Nutting, 1901 accepted as Abietinaria inconstans (Clark, 1877)
• Thuiaria crassicaulis Allman, 1876
• Thuiaria cupressina Linnaeus, 1758 accepted as Sertularia cupressina Linnaeus, 1758
• Thuiaria cupressoides (Lepechin, 1783)
• Thuiaria cylindrica Clark, 1877
• Thuiaria dalli Nutting, 1904 accepted as Sertularia dalli (Nutting, 1904)
• Thuiaria decemserialis (Merezhkovskii, 1878)
• Thuiaria derbeki Kudelin, 1914
• Thuiaria diaphana Allman, 1885 accepted as Sertularella diaphana (Allman, 1885)
• Thuiaria dichotoma (Allman, 1888) accepted as Staurotheca dichotoma Allman, 1888
• Thuiaria dichotoma (Jäderholm, 1904) accepted as Staurotheca jaederholmi Stechow, 1920
• Thuiaria diffusa (Allman, 1885)
• Thuiaria distans Allman, 1877 accepted as Sertularella diaphana (Allman, 1885)
• Thuiaria distans Fraser, 1914 accepted as Salacia fraseri Calder, 1991
• Thuiaria divergens Whitelegge, 1899 accepted as Caminothujaria molukkana Campenhausen, 1896
• Thuiaria dolichocarpa Allman, 1876 accepted as Crateritheca zelandica (Gray, 1843)
• Thuiaria doliolum Kirchenpauer, 1884 (uncertain > taxon inquirendum)
• Thuiaria dubia (Billard, 1922) accepted as Salacia desmoides (Torrey, 1902)
• Thuiaria elegans Kirchenpauer, 1884 accepted as Amphisbetia elegans (Kirchenpauer, 1884)
• Thuiaria elegans Nutting, 1901 accepted as Abietinaria kincaidi (Nutting, 1901)
• Thuiaria excepticea Feniuk, 1947
• Thuiaria fabricii (Levinsen, 1893) accepted as Sertularia fabricii Levinsen, 1893
• Thuiaria farquhari Bale, 1924 accepted as Salacia farquhari (Bale, 1924)
• Thuiaria fenestrata Bale, 1884 accepted as Salacia tetracythara Lamouroux, 1816
• Thuiaria gigantea Clark, 1877 accepted as Abietinaria gigantea (Clark, 1877)
• Thuiaria gonorhiza Naumov, 1952
• Thuiaria gracilis (Nutting, 1904) accepted as Abietinaria gracilis Nutting, 1904
• Thuiaria hartlaubi (Nutting, 1904)
• Thuiaria heteroclada Jäderholm, 1902 accepted as Sertularia heteroclada (Jäderholm, 1902)
• Thuiaria heteromorpha Allman, 1885 accepted as Amphisbetia heteromorpha (Allman, 1885)
• Thuiaria hippisleyana Allman, 1885 accepted as Crateritheca zelandica (Gray, 1843)
• Thuiaria hippuris Allman, 1874
• Thuiaria hjorti Broch, 1903 accepted as Thuiaria laxa Allman, 1874
• Thuiaria hyalina Allman, 1888 accepted as Sertularella diaphana (Allman, 1885)
• Thuiaria immersa Nutting, 1904 accepted as Thuiaria laxa Allman, 1874
• Thuiaria insociabilis Fraser, 1948
• Thuiaria interrupta Allman, 1885 accepted as Dynamena crisioides Lamouroux, 1824
• Thuiaria invicea Naumov, 1960
• Thuiaria involuta Naumov, 1960
• Thuiaria kirchenpaueri Marktanner-Turneretscher, 1895 accepted as Thuiaria carica Levinsen, 1893
• Thuiaria kolaënsis Jäderholm, 1909 accepted as Thuiaria articulata (Pallas, 1766)
• Thuiaria kudelini Naumov, 1960
• Thuiaria kurilae Nutting, 1904
• Thuiaria lata Bale, 1882 accepted as Sertularella pinnata (Lamouroux, 1816)
• Thuiaria latiuscula (Stimpson, 1854) accepted as Sertularia latiuscula Stimpson, 1853
• Thuiaria laxa Allman, 1874
• Thuiaria lebedi Naumov, 1960
• Thuiaria lebedi abiecula Naumov, 1960
• Thuiaria lebedi lebedi Naumov, 1960
• Thuiaria lichenastrum (Linnaeus, 1758) accepted as Thuiaria articulata (Pallas, 1766)
• Thuiaria lonchitis (Ellis & Solander, 1786) accepted as Thuiaria articulata (Pallas, 1766)
• Thuiaria maldivensis Borradaile, 1905 accepted as Dynamena maldivensis (Borradaile, 1905)
• Thuiaria marktanneri Stechow, 1913 accepted as Salacia variabilis (Marktanner-Turneretscher, 1890)
• Thuiaria mediterranea Marktanner-Turneretscher, 1890 accepted as Sertularia mediterranea (Marktanner-Turneretscher, 1890)
• Thuiaria mereschkowskii Kudelin, 1914
• Thuiaria nivea Feniuk, 1947
• Thuiaria obsoleta (Lepechin, 1781)
• Thuiaria ochotensis (Mereschkowsky, 1878)
• Thuiaria operculata Watson, 2000
• Thuiaria pinaster (Lepechin, 1783)
• Thuiaria pinna Naumov, 1960
• Thuiaria pinnata Allman, 1877 accepted as Sertularella diaphana (Allman, 1885)
• Thuiaria plumiformis (Nutting, 1904)
• Thuiaria plumosa Clark, 1877 accepted as Sertularia plumosa (Clark, 1876)
• Thuiaria plumularioides Watson, 2000
• Thuiaria plumulifera Allman, 1877 accepted as Sertularia carolinensis Verrill, 1872
• Thuiaria polycarpa Kirchenpauer, 1884
• Thuiaria purpurea (Linnaeus, 1758)
• Thuiaria quadridens Allman, 1888 accepted as Sertularella quadrifida Hartlaub, 1901
• Thuiaria quadridens Bale, 1884 accepted as Sertularella quadridens (Bale, 1884)
• Thuiaria quadrilateralis Hargitt, 1924 accepted as Sertularella diaphana (Allman, 1885)
• Thuiaria ramosissima Allman, 1885 accepted as Amphisbetia ramosissima (Allman, 1885)
• Thuiaria robusta Clark, 1877 accepted as Sertularia robusta (Clark, 1877)
• Thuiaria sachalini Kudelin, 1914