Bryozoa | altbaşlık = Sınıflar | açıklama = Stenolaemata Gymnolaemata Phylactolaemata }} Belirlenmiş tür sayısı 4000-4500 arasındadır. Yaşayan yosun hayvancıkları, Linnean sınıflandırma sistemiyle uygun bir şekilde sınıflandırılmaktadır. Bu sisteme göre sınıfları şunlardır: "Phylactolaemata, Stenolaemata, Gymnolaemata" Genellikle 0,5 mm. boyutundadırlar. Türler aşağıdakilerden oluşmaktadır: Yosun hayvancıkları (Bryozoa) * Adeonella calveti (Canu & Bassler, 1930) * Adeonella polystomella (Reuss, 1847) * Adeonellopsis distoma (Busk, 1858) * Aetea anguina (Linnaeus, 1758) * Aetea recta * Aetea truncata (Landsborough, 1852) * Alcyonidium gelatinosum (Linnaeus, 1761) * Alcyonidium mamillatum (Alder, 1857) * Alcyonidium polyoum (Hassall, 1841) * Alderina imbellis (Hincks, 1860) * Amathia lendigera (Linnaeus, 1758) * Amathia pruvoti (Calvet, 1911) * Amathia semiconvoluta (Lamouroux, 1824) * Anarthropora monodon (Busk, 1860) * Aplousina capriensis (Waters, 1898) * Aplousina filum (Jullien, 1903) * Arthropoma cecilii (Audouin, 1826) * Beania hirtissima (Heller, 1967) * Beania magellanica (Busk, 1852) * Beania mirabilis (Johnston, 1840) * Beania robusta (Hincks, 1881) * Bowerbankia caudata * Bowerbankia citrina (Hincks, 1877) * Bowerbankia gracilis (Leidy, 1855) * Bowerbankia imbricata (Adams, 1798) * Bryocryptella torquata (Jullien, 1903) * Buchneria fayalensis (Waters, 1888) * Bugula aperta (Hincks, 1886) * Bugula aquilirostris * Bugula calathus (Norman, 1864) * Bugula flabellata (J V Thompson, in Gray, 1848) * Bugula gautieri Ryland, 1961 * Bugula gracilis (Busk, 1852) * Bugula neritina (Linnaeus, 1758) * Bugula plumosa (Pallas, 1766) * Bugula simplex Hincks, 1886 * Bugula spicata (Hincks, 1880) * Bugula stolonifera Ryland, 1960 * Bugula turbitana Alder, 1857 * Buskia socialis Hincks, 1887 * Caberea boryi (Audouin, 1826) * Callopora aurita (Hincks, 1877) * Callopora dumerilii (Audouin, 1826) * Callopora lineata (Linnaeus, 1767) * Calpensia nobilis (Esper, 1796) * Carbasea papyrea (Pallas, 1766) * Cellaria fistulosa (Linnaeus, 1758) * Cellaria salicornioides Lamouroux, 1816 * Cellaria sinuosa (Hassall, 1840) * Celleporaria aperta (Hincks, 1882) * Celleporaria birostrata * Cellepora pumicosa Waters, 1877 * Celleporaria sardonica (Waters, 1879) * Celleporina hassallii (Johnston, 1847) * Celleporina tubulosa (Hincks, 1880) * Celleporina ignota * Chaperia annulus (Manzoni, 1870) * Chartella tenella (Hincks, 1887) * Cheiloporina circumcincta (Neviani, 1896) * Cellepora decorata Reuss, 1848 * Chlidonia pyriformis (Bertoloni, 1810) * Chorizopora brongniartii (Audouin, 1826) * Cigclisula turrita (Smitt, 1873) * Collarina balzaci (Audouin, 1826) * Conopeum seurati (Canu, 1928) * Copidozoum planum (Hincks, 1880) * Copidozoum tenuirostre (Hincks, 1880) * Cosciniopsis ambita Hayward, 1974 * Crisia denticulata (Lamarck, 1816) * Crassimarginatella crassimarginata (Hincks, 1880) * Crassimarginatella maderensis (Waters, 1898) * Cribrilaria pedunculata * Cribrilaria radiata Moll, 1803 * Cribrilaria venusta (Canu & Bassler, 1928) * Crisbellopora trichomota * Crisia denticulata (Lamarck, 1816) * Crisia eburnea (Linnaeus, 1758) * Crisidia cornuta (Linnaeus, 1758) * Cryptosula pallasiana (Moll, 1803) * Cupuladria canariensis (Busk, 1859) * Cupuladria doma (d'Orbigny, 1851) * Diplosolen obelia (Johnston, 1838) * Diporula verrucosa (Peach, 1868) * Disporella radiata * Escharella immersa (Fleming, 1828) * Escharella variolosa (Johnston, 1838) * Escharella ventricosa (Hassall, 1842) * Escharoides coccinea (Abildgaard, 1806) * Escharoides mamillata (Wood, 1844) * Electra crustulenta (Pallas, 1766) * Electra elongata * Electra monostachys (Busk, 1854) * Electra pilosa (Linnaeus, 1767) * Electra posidoniae Gautier, 1957 * Ellisina cf. levata (Hincks 1882) * Epistomia bursaria (Linnaeus, 1758) * Eschara tubilifera * Escharina dutertrei * Farrella repens (Farre, 1837) * Fenestrulina joannae (Calvet, 1902) * Fenestrulina malusii Audouin, 1826 * Figularia figularis (Johnston, 1847) * Frondipora verrucosa (Lamouroux, 1821) * Haplopoma bimucronatum (Moll, 1803) * Haplopoma graniferum (Johnston, 1847) * Haplopoma impressum (Audouin, 1826) * Cellepora dichotoma Hincks, 1862 * Harmerella nitida * Hemiseptella labiata (Busk, 1884) * Herentia hyndmanni (Johnston, 1847) * Hincksinoflustra octodon (Busk, 1852) * Hincksina flustroides subsp. crassispinata (Calvet) * Hippaliosina acuntirostris * Hippaliosina depressa (Busk, 1854) * Hippaliosina fascialis * Hippaliosina foliacea * Hippaliosina ottomulleriana * Hippopleurifera pulchara (Manzoni, 1870) * Hippopodina feegeensis (Busk, 1884) * Hippopodinella kirchenpaueri (Heller, 1867) * Hippopodinella lata (Busk, 1856) * Hippoporina picardi * Hippoporina pertusa (Esper, 1796) * Hippoporina simplex * Hippothoa divaricata Lamouroux, 1821 * Hippothoa flagellum Manzoni, 1870 * Hornera frondiculata Lamouroux, 1821 * Hornera lichenoides (Linnaeus, 1758) * Hornera violacea (M. Sars, 1863) * Idmonea atlantica (Forbes, in Johnston, 1847) * Tubulipora notomale (Busk, 1875) * Idmonea serpens Bidenkap, 1900 * Jaculina blanchardi Jullien in Jullien & Calvet, 1903 * Jaculina parallelata (Waters, 1895) * Lagenipora lepralioides (Norman, 1868) * Leiosella quincuncialis * Lekythopora lucida * Lepralia hippopus Smitt, 1867 * Lichenepora verrucaria * Margeratta cereoides * Mecynoecia proboscidea (Milne-Edwards, 1838) * Membranipora membranacea (Linnaeus, 1767) * Membranipora tenuis Desor, 1848 * Membranipora zostericolla * Membranipora reticulum * Membraniporella nitida (Jonhston, 1838) * Metroperiella lepralioides * Micropora complanata Norman * Micropora coriacea (Esper, 1791) * Microporella ciliata (Pallas, 1766) * Microporella impressa * Microporella marsupiata (Busk, 1860) * Mimosella gracilis Hincks, 1851 * Mollia circumcincta (Heller, 1867) * Mollia fagei Gautier, 1962 * Mollia patellaria (Moll, 1803) * Mucronella soulieri * Myriapora truncata (Pallas, 1766) * Nitscheina pulchella * Nonella gigantes * Omalosecosa ramulosa (Linnaeus, 1767) * Onychocella antiqua * Onychocella marioni (Jullien) * Rectonychocella vibraculifera (Neviani) * Palmicellaria elegans Alder, 1864 * Palmicellaria scenei (Ellis & Solander) * Parasmittina parsevalii (Audouin, 1826) * Parasmittina raigii (Audouin, 1826) * Parasmittina rouvillei * Parasmittina trispinosa (Johnston, 1838) * Parellisina curvirostris (Hincks 1862) * Peristomella megarostris * Pherusella tubulosa (Ellis & Solander, 1786) * Phoceana columnaris Jullien, 1903 * Phylactella collaris * Plagioecia patina (Lamarck, 1816) * Plagioecia sarniensis (Norman, 1864) * Porella cervicornis Perrone, 1985 * Porella colleti * Porella concinna (Busk, 1854) * Porella concinna tubulata Calvet, 1927 * Porella laevis (Fleming, 1828) * Porella minuta (Norman, 1868) * Proboscina expansa * Puellina gattyae (Landsborough, 1852) * Ramphonotus minax (Busk, 1860) * Rhamphostomella argentea (Hincks, 1881) * Reptadeonella violacea (Johnston, 1847) * Reteporella (= Sertella) couchii (Hincks, 1878) * Rhynchozoon armatum * Rhynchozoon bispinosum (Johnston, 1847) * Rhynchozoon pseudodigitatum, Zabala & Maluquer, 1988 * Rhynchozoon neapolitanum Gautier, 1962 * Rhynchozoon verruculatum (Smitt, 1873) * Rosselina roselii * Savignyella lafontii (Audouin, 1826) * Schismopora armata * Schismopora avicularis * Schismopora cantabra * Schismopora coronopus * Schismopora coronopusoida * Schismopora magnicostata * Schismopora robusta * Schismopora tubigera * Schizobrachiella sanguinea (Norman, 1868) * Schizomavella arrogata (Waters, 1879) * Schizomavella auriculata (Hassall, 1842) * Schizomavella discoidea (Busk, 1859) * Schizomavella gautieri (Reverter Gil & Fernandez Pulpeiro, 1997) * Schizomavella hastata (Hincks, 1862) * Schizomavella linearis (Hassall, 1841) * Schizomavella marsupifera (Busk, 1884) * Schizomavella monoecensis (Calvet, 1927) * Schizomavella rudis (Manzoni, 1869) * Pseudoflustra sinuosa (Andersson, 1902) * Schizomavella spinifera * Escharina vulgaris (Moll, 1803) * Schizoretepora imperati (Busk, 1884) * Schizoretepora granulosa (Canu & Bassler, 1930) * Schizoretepora aviculifera (Canu & Bassler, 1930) * Schizoretepora longisetae (Canu & Bassler, 1928) * Schizoretepora solanderia (Risso, 1826) * Schizotheca fissa (Busk) * Schizotheca serratimargo (Hincks) * Scruparia ambigua (d'Orbigny 1841) * Scruparia chelata (Linnaeus, 1758) * Scrupocellarina bertholetti * Scrupocellarina delilii * Scrupocellarina incurvata * Scrupocellarina macrorhyncha * Scrupocellarina reptans * Scrupocellarina scrupea * Scrupocellarina scruposa * Securiflustra securifrons (Pallas, 1766) * Reteporella (= Sertella) beaniana (King, 1846) * Sertella harmeri (Hass, 1948) * Reteporella (= Sertella) mediterranea, Hass, 1948 * Sertella sootentrionalis * Sertella sudbournensis (Busk, 1859) * Setosella roulei * Setosella vulnerata (Busk, 1860) * Smittina baccata * Smittina cheilostoma * Smittina inerma * Smittina landsborovii (Johnston, 1847) * Smittina porosa * Smittoidea marmorea (Hincks) * Smittoidea ophidiana * Smittoidea reticulata (MacGillivray, 1842) * Spiralaria gregaria (Heller, 1867) * Stephanosella biaperta * Stomatopora johnstoni * Synnotum aegyptiacum (Audouin, 1826) * Tennysonia flabellaris * Tervia irregularis (Meneghini, 1844) * Tessaradoma boreale (Busk, 1860) * Thalamoporella gothica (Busk, 1856) * Trypostega claviculata (Hincks, 1884) * Tubilipora biserialis * Tubucellaria opuntioides * Tubulipora flabellaris * Umbonula verrucosa * Valkeria (= Walkeria) uva (Linnaeus, 1758) * Vibracellina mediterranea (O'Donoghue & de Watteville, 1939) * Victorelle pavida * Watersipora subovoidea (d'Orbigny, 1852) * Zoobothryon verticillatum (Delle Chiaje, 1828) Görseller Dosya:Freshwater Bryozoan234.JPG|Tatlısu yosun hayvancığı Dosya:Costazia_costazi.jpg|Costazia costazi Dosya:Bryozoan 300.jpg Dosya:OilShaleFossilsEstonia.jpg Dosya:OrdovicianEdrio.jpg Dosya:Membranipora membranacea.jpg|Membranipora membranacea Kaynaklar Ayrıca bakınız * Yosun hayvancıkları * Türkiye Türler Listesi KaynaklarVikipedi
