Between brackets is the number of accepted marine extant species
Click on "-" to collapse/hide all child taxa
Shows the number of accepted marine extant species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- Biota (247 219)
- Kingdom Animalia (211 198)
- Subkingdom Animalia incertae sedis
- Subkingdom Metazoa accepted as Animalia
- Phylum Acanthocephala (517)
- Phylum Annelida (14 063)
- Phylum Arthropoda (59 642)
- Phylum Aschelminthes
- Phylum Brachiopoda (407)
- Phylum Bryozoa (6 528)
- Phylum Cephalorhyncha
- Phylum Chaetognatha (132)
- Phylum Chordata (24 075)
- Phylum Cnidaria (12 560)
- Phylum Ctenophora (184)
- Phylum Cycliophora (2)
- Phylum Dicyemida (122)
- Phylum Echinodermata (7 626)
- Phylum Ectoprocta accepted as Bryozoa
- Phylum Entoprocta (201)
- Phylum Gastrotricha (522)
- Phylum Gnathostomulida (100)
- Phylum Hemichordata (133)
- Phylum Kinorhyncha (348)
- Phylum Loricifera (46)
- Phylum Mesozoa accepted as Dicyemida
- Phylum Mollusca (52 004)
- Phylum Nematoda (6 756)
- Phylum Nematomorpha (6)
- Phylum Nemertea (1 341)
- Phylum Nemertina represented as Nemertea
- Phylum Nemertini accepted as Nemertea
- Phylum Orthonectida (24)
- Phylum Pentastomida accepted as Pentastomida
- Phylum Phoronida (13)
- Phylum Placozoa (4)
- Phylum Platyhelminthes (13 499)
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera (9 437)
- Subphylum Silicea
- Class Calcarea (827)
- Class Calcispongia accepted as Calcarea
- Class Calcispongiae accepted as Calcarea
- Class Demospongiae (7 766)
- Subclass Ceractinomorpha accepted as Demospongiae
- Subclass Cornacuspongia accepted as Demospongiae
- Subclass Democlavia accepted as Heteroscleromorpha
- Subclass Haploscleromorpha accepted as Heteroscleromorpha
- Subclass Heteroscleromorpha (6 948)
- Order Agelasida (73)
- Order Ancorinida accepted as Tetractinellida
- Order Astrophorida accepted as Astrophorina
- Order Axinellida (541)
- Order Biemnida (107)
- Order Bubarida (157)
- Order Ceratoporellida accepted as Agelasida
- Order Choristida accepted as Tetractinellida
- Order Clionaida (215)
- Order Craniellida accepted as Tetractinellida
- Order Desmacellida (37)
- Order Desmacidonitida accepted as Heteroscleromorpha
- Order Hadromerida accepted as Heteroscleromorpha
- Order Halichondrida accepted as Heteroscleromorpha
- Order Haplosclerida (1 150)
- Order Heteroscleromorpha incertae sedis (3)
- Order Merliida (43)
- Order Nepheliospongida accepted as Haplosclerida
- Order Petrosida accepted as Haplosclerida
- Order Poecillastrida accepted as Tetractinellida
- Order Poecilosclerida (2 486)
- Order Polymastiida (140)
- Order Scopalinida (40)
- Order Sphaerocladina (5)
- Order Spirastrellida accepted as Heteroscleromorpha
- Order Spirophorida accepted as Spirophorina
- Order Spongillida (7)
- Order Suberitida (531)
- Order Tethyida (219)
- Order Tetractinellida (1 184)
- Suborder Astrophorina (921)
- Suborder Spirophorina (231)
- Family Azoricidae Sollas, 1888 (14)
- Family Ectyonillidae Ferrer Hernández, 1914 accepted as Tetillidae Sollas, 1886
- Family Leiodermatiidae Lendenfeld, 1903 accepted as Azoricidae Sollas, 1888
- Family Samidae Sollas, 1888 (1)
- Family Scleritodermidae Sollas, 1888 (30)
- Family Siphonidiidae Lendenfeld, 1903 (13)
- Family Spirasigmidae Hallmann, 1912 (2)
- Family Stupendidae Kelly & Cárdenas, 2016 (1)
- Family Tetillidae Sollas, 1886 (170)
- Genus Acanthocinachyra Lévi, 1964 accepted as Acanthotetilla Burton, 1959
- Genus Acanthotetilla Burton, 1959 (8)
- Genus Amphitethya Lendenfeld, 1907 (3)
- Genus Antarctotetilla Carella, Agell, Cárdenas & Uriz, 2016 (5)
- Genus Casula Gray, 1872 accepted as Tetilla Schmidt, 1868
- Genus Chrotella Sollas, 1886 accepted as Tetilla Schmidt, 1868
- Genus Cinachyra Sollas, 1886 (4)
- Genus Cinachyrella Wilson, 1925 (44)
- Genus Cinochyra accepted as Cinachyra Sollas, 1886
- Genus Craniella Schmidt, 1870 (44)
- Species Craniella abracadabra de Laubenfels, 1954
- Species Craniella abyssorum (Carter, 1876)
- Species Craniella arb (de Laubenfels, 1930)
- Species Craniella armata (Baer, 1906)
- Species Craniella atropurpurea (Carter, 1870)
- Species Craniella australiensis (Carter, 1886) accepted as Cinachyrella australiensis (Carter, 1886)
- Species Craniella australis Samaai & Gibbons, 2005
- Species Craniella azorica (Topsent, 1913)
- Species Craniella baeri Van Soest & Hooper, 2020
- Species Craniella bowerbanki Sollas, 1886 accepted as Craniella simillima (Bowerbank, 1873)
- Species Craniella carteri Sollas, 1886
- Species Craniella coactifera (Lendenfeld, 1907) accepted as Antarctotetilla coactifera (Lendenfeld, 1907)
- Species Craniella corticata (Boury-Esnault, 1973) accepted as Cinachyrella kuekenthali (Uliczka, 1929)
- Species Craniella coxii (Lendenfeld, 1886)
- Species Craniella craniana de Laubenfels, 1953
- Species Craniella cranium (Müller, 1776)
- Species Craniella crassispicula (Lendenfeld, 1907) accepted as Cinachyra crassispicula (Lendenfeld, 1907)
- Species Craniella crustocorticata Van Soest, 2017
- Species Craniella curviclada Fernandez, Rodriguez, Santos, Pinheiro & Muricy, 2018
- Species Craniella dactyloidea (Carter, 1869) accepted as Tetilla dactyloidea (Carter, 1869)
- Species Craniella disigma Topsent, 1904
- Species Craniella elegans Dendy, 1905
- Species Craniella ellipsoida Hoshino, 1982 accepted as Tetilla ellipsoida (Hoshino, 1982)
- Species Craniella globosa Thiele, 1898
- Species Craniella globosa (Baer, 1906) accepted as Craniella baeri Van Soest & Hooper, 2020
- Species Craniella gravida accepted as Craniella cranium (Müller, 1776)
- Species Craniella hamatum (Koltun, 1966)
- Species Craniella infrequens (Carter, 1876) accepted as Craniella cranium (Müller, 1776)
- Species Craniella insidiosa Schmidt, 1870
- Species Craniella laminaris (George & Wilson, 1919) accepted as Tetilla laminaris George & Wilson, 1919
- Species Craniella lens Schmidt, 1870
- Species Craniella lentiformis Thiele, 1898
- Species Craniella lentisimilis Tanita & Hoshino, 1989
- Species Craniella leptoderma (Sollas, 1886) accepted as Antarctotetilla leptoderma (Sollas, 1886)
- Species Craniella lissi Sim-Smith, Hickman & Kelly, 2021
- Species Craniella longipilis (Topsent, 1904)
- Species Craniella metaclada (Lendenfeld, 1907)
- Species Craniella microspira Van Soest, 2024
- Species Craniella monodi (Burton, 1929)
- Species Craniella muelleri Vosmaer, 1885 accepted as Craniella cranium (Müller, 1776)
- Species Craniella neocaledoniae accepted as Craniella neocaledonica Lévi & Lévi, 1983
- Species Craniella neocaledonica Lévi & Lévi, 1983
- Species Craniella nimia Topsent, 1927 accepted as Tetilla nimia (Topsent, 1927)
- Species Craniella oscari (Lendenfeld, 1903) accepted as Craniella schmidtii Sollas, 1886
- Species Craniella ovata Thiele, 1898
- Species Craniella oxeata (Burton, 1959)
- Species Craniella polyura (Schmidt, 1870)
- Species Craniella prosperiaradix Tanita & Hoshino, 1989
- Species Craniella pulchra Sollas, 1886 accepted as Craniella simillima (Bowerbank, 1873)
- Species Craniella quirimure Peixinho, Cosme & Hajdu, 2005 accepted as Tetilla quirimure (Peixinho, Cosme & Hajdu, 2005)
- Species Craniella repens Sarà, 1958 accepted as Tetilla repens (Sarà, 1958)
- Species Craniella sagitta (Lendenfeld, 1907) accepted as Antarctotetilla sagitta (Lendenfeld, 1907)
- Species Craniella schmidtii Sollas, 1886
- Species Craniella serica (Lebwohl, 1914) accepted as Tetilla serica (Lebwohl, 1914)
- Species Craniella sigmoancoratum (Koltun, 1966)
- Species Craniella simillima (Bowerbank, 1873)
- Species Craniella spinosa Lambe, 1893
- Species Craniella sputnika Lehnert & Stone, 2011
- Species Craniella stewarti (Lendenfeld, 1888)
- Species Craniella tethyoides Schmidt, 1870
- Species Craniella varians Thiele, 1898
- Species Craniella vestita (Lendenfeld, 1907)
- Species Craniella villosa Lambe, 1893
- Species Craniella wolfi Schuster, 2018
- Species Craniella zetlandica (Carter, 1872)
- Genus Craniellopsis Topsent, 1913 accepted as Craniella Schmidt, 1870
- Genus Dactylella Gray, 1872 accepted as Tetilla Schmidt, 1868
- Genus Ectyonilla Ferrer Hernández, 1914 accepted as Tetilla Schmidt, 1868
- Genus Fangophilina Schmidt, 1880 (4)
- Genus Kaira Laubenfels, 1936 accepted as Tetilla Schmidt, 1868
- Genus Levantinella Carella, Agell, Cárdenas & Uriz, 2016 accepted as Levantiniella Carella, Agell, Cárdenas & Uriz, 2016
- Genus Levantiniella Carella, Agell, Cárdenas & Uriz, 2016 (1)
- Genus Lophurella Gray, 1872 accepted as Porifera incertae sedis
- Genus Paratetilla Dendy, 1905 (3)
- Genus Polyurella Gray, 1870 accepted as Craniella Schmidt, 1870
- Genus Psetalia Gray, 1873 accepted as Cinachyrella Wilson, 1925
- Genus Raphidotethya Burton, 1934 accepted as Cinachyrella Wilson, 1925
- Genus Spiretta Lendenfeld, 1888 accepted as Cinachyrella Wilson, 1925
- Genus Spongocardium Kirkpatrick, 1902 accepted as Fangophilina Schmidt, 1880
- Genus Tethyopsilla Lendenfeld, 1888 accepted as Craniella Schmidt, 1870
- Genus Tetilla Schmidt, 1868 (54)
- Genus Trachygellius Topsent, 1894 accepted as Tetilla Schmidt, 1868
- Genus Uliczka Laubenfels, 1936 accepted as Cinachyrella Wilson, 1925
- Suborder Thoosina (32)
- Order Trachycladida (10)
- Suborder Spongillina accepted as Spongillida
- Subclass Keratosa (670)
- Subclass Monaxonida accepted as Demospongiae
- Subclass Myxospongiae accepted as Verongimorpha
- Subclass Tetractinomorpha accepted as Demospongiae
- Subclass Verongimorpha (147)
- Order Demospongiae incertae sedis (1)
- Order Gummineae accepted as Chondrosiida
- Order Halisarcida accepted as Chondrillida
- Order Lithistida accepted as Heteroscleromorpha
- Class Hexactinellida (708)
- Class Homoscleromorpha (136)
- Class Hyalospongiae accepted as Hexactinellida
- Class Porifera incertae sedis
- Class Sclerospongiae accepted as Demospongiae
- Phylum Priapulida (22)
- Phylum Rotatoria accepted as Rotifera
- Phylum Rotifera (184)
- Phylum Sipunculida accepted as Sipuncula
- Phylum Tardigrada (263)
- Phylum Xenacoelomorpha (437)
- Kingdom Archaea (117)
- Kingdom Bacteria (2 223)
- Kingdom Chromista (20 779)
- Kingdom Fungi (1 432)
- Kingdom Monera represented as Bacteria
- Kingdom Plantae (10 578)
- Kingdom Protozoa (766)
- Kingdom Viruses (115)