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372 Protozoa
Oberhauserella alta
Oblea baculifera Balech ex Loeblich Jr. & Loeblich III
Oblea rotunda (Lebour) Balech ex Sournia
Occisucysta balios
Occisucysta crestata K. P. Jain
Occisucysta tenuiceras (EISENACK 1958) BELOW
Octaedryxium minutum F.Wang & Q. Chen
Octaedryxium simplex F.Wang & Q. Chen
Octomyxa achlyae Couch, J. Leitn. & Whiffen 1939
Octomyxa brevilegniae Pend. 1948
Octonoradiolus polythylakus
Oketaella campensis
Oligonema aeneum P. Karst.
Oligonema aurantium Nann.-Bremek. 1968
Oligonema bavaricum (Thüm.) Balf. f. & Berl.
Oligonema brevifilum Peck
Oligonema broomei Massee
Oligonema dancoii Aramb. and Spinedi 1989
Oligonema flavidum (Peck) Peck 1879
Oligonema fulvum Morgan
Oligonema furcatum Buck.{?}
Oligonema heterophylla S. Watson
Oligonema intermedium Haan
Oligonema minutulum Massee
Oligonema oedonema Yu Li, Shuang L. Chen and H.Z. Li 1992
Oligonema schweinitzii (Berk.) G.W. Martin 1947
Oligonema vulgare L.
Oligosphaeridium complex subsp. brevispinum K.P. Jain
Oligosphaeridium diluculum R. J. Davey
Oligosphaeridium nannum R. J. Davey
Oligosphaeridium perforatum K. P. Jain
Oligosphaeridium perforatum perforatum
Oligosphaeridium poculum K. P. Jain
Oligosphaeridium pulcherrimum (DEFLANDRE & COOKSON 1955) DAVEY & WILLIAMS
Oligosphaeridium swanense Riding & Helby
Oligosphaeridium verrucosum R. J. Davey
Omphalocyclus macroporus
Omphalocyclus primitifs
Omphalotis minima
Onychodromopsis flexilis Stokes
Oodinium limneticum Jakobs
Oodinium pouchetii (Lemmermann) Chatton
Oolina acuticosta
Oolina apiculata
Oolina apiculata phialaeformis
Oolina apiopleura
Oolina auriculata
Oolina baukalionilla Loeblich & Tappan
Oolina borealis
Oolina borealis borealis
Oolina brevisolenia
Oolina burdigalensis
Oolina caudigera
Oolina clavata
Oolina costata
Oolina delicata
Oolina elongata
Oolina ex borealis
Oolina ex melo
Oolina felsinea
Oolina foveolata
Oolina glans
Oolina globosa
Oolina globosa demissa
Oolina globosa setosa
Oolina globulosa
Oolina guntheri
Oolina heteromorpha
Oolina hexagona
Oolina inornata
Oolina isabellae
Oolina isabelleana
Oolina kleithria Loeblich & Tappan
Oolina laevigata
Oolina leoniona
Oolina lineata
Oolina lineatopunctata
Oolina longispina
Oolina marginata
Oolina melo
Oolina parisoina Loeblich & Tappan
Oolina puteocapitulata
Oolina scalariformesulcata
Oolina seminuda
Oolina simplex lacrima
Oolina spherica
Oolina squamosa
Oolina squamososulcata
Oolina stiktosa Loeblich & Tappan
Oolina striatopunctata
Oolina tasmanica
Oolina tokaoi cf.
Oolina vilardeboana
Oolina villicostata
Oolina williamsoni
Operculina granulosa
Operculinella cushmani
Operculinella dia
Operculinella oneataensis gen.?
Operculinella semmesi ciperensis var. cf
Operculinella trinitatensis
Operculinella vaughani
Operculinoides africana
Operculinoides antiguensis
Operculinoides carmenensis
Operculinoides floridensis
Operculinoides jacksonensis
Operculinoides krugleri
Operculinoides kugleri
Operculinoides moodysbranchensis
Operculinoides ocalanus
Operculinoides ocalina
Operculinoides trinitatensis
Operculinoides tuzpanicus
Operculinoides vaughani
Operculinoides vicksburgensis
Operculodinium centrocarpus
Operculodinium crassum R. Harland
Operculodinium uncinispinosum (J. De Coninck) K. Matsuoka
Ophiotheca umbrina Ellis
Ophrydium sessile
Ophryodendron conicum
Ophryoglena atra Lieb.
Ophryoglena flava Ehrenberg
Ophryoglena inquieta
Ophthalmidium acutimargo
Ophthalmidium carinatum
Ophthalmidium exiguum
Ophthalmidium inconstans
Ophthalmidium leischneri
Ophthalmidium martanum
Ophthalmidium orbiculare
Ophthalmidium ovale
Ophthalmidium plectospirus
Ophthalmidium pusillum
Ophthalmidium strumosum
Ophthalmidium tori
Ophthalmidium triadicum
Opisthonecta henneguyi
Orbiculina adunca
Orbiculina complanata
Orbiculina compressa
Orbitoides americana cf.
Orbitoides apiculata
Orbitoides browni
Orbitoides gensacicus
Orbitoides mantelli
Orbitoides media
Orbitoides papyracea
Orbitoides tissoti
Orbitoides vacuolaris
Orbitolina concava
Orbitolina conica
Orbitolina conoidea
Orbitolina corbarica
Orbitolina cuvillieri
Orbitolina discoidea
Orbitolina japonica
Orbitolina lenticularis
Orbitolina lotzei
Orbitolina parva
Orbitolina sefini
Orbitolina subconcava
Orbitolina texana
Orbitolina trochus
Orbitolinopsis buccifer
Orbitolinopsis flandrini
Orbitolinopsis kiliani
Orbitolites complanatus
Orbitolites concavus
Orbitolites macropora Luik
Orbitopsella praecursor
Orbulina bilobata
Orbulina compressa
Orbulina suturalis
Orbulina uiversa
Orbulina universa D'orbigny, 1839
Orbulina universa d
Orcadella operculata var. operculata Wingate
Orcadella operculata var. sessile G. Lister
Orcadella singularis (E. Jahn) R. Sant.
Ordovicina oligostoma
Oridorsalis biconvexus
Oridorsalis pauciapertura
Oridorsalis relizanus
Oridorsalis subtenera
Oridorsalis tener
Oridorsalis tener stellatus
Oridorsalis tener tener
Oridorsalis tenera
Oridorsalis umbonata
Oridorsalis umbonatus (Reuss)
Oridorsalis westi
Orietalia baccula
Ormosella bresslaui
Ornithocercus bilobatus Rampi
Ornithocercus carolinae Kofoid
Ornithocercus formosus Kofoid & Michener
Ornithocercus geniculatus Dangeard
Ornithocercus heteroporus Kofoid
Ornithocercus magnificus Stein
Ornithocercus quadratus Schütt
Ornithocercus serratus
Ornithocercus skogsbergii
Ornithocercus splendidus Schütt
Ornithocercus steini
Ornithocercus steinii Schütt
Ornithocercus thumii (Schmidt) Kofoid & Skogsberg
Ornithocercus thurni
Ornithocercus thurnii
Ornithocercus triclavatus
Orobias ammonoides
Orobias ornata
Orthodonella shenae (Asian Swamp Eel,
Swamp Eel,
Pygmy Eel,
Onegilled Eel,
One-gilled Eel,
Bengal Mudeel)
Orthokarstenia shastaensis
Orthomorphina acuticosta
Orthomorphina aff. antillea
Orthomorphina antillea
Orthomorphina asperula
Orthomorphina candei
Orthomorphina caudata
Orthomorphina challengeriana
Orthomorphina columnaris
Orthomorphina cooperensis
Orthomorphina deliciae
Orthomorphina exilis
Orthomorphina fistuca
Orthomorphina glandigena
Orthomorphina hexacostata
Orthomorphina himerensis
Orthomorphina karreri
Orthomorphina longispina
Orthomorphina modesta
Orthomorphina monicana
Orthomorphina mutata
Orthomorphina obsoleta
Orthomorphina pellita
Orthomorphina perversa
Orthomorphina punctata
Orthomorphina pustulata
Orthomorphina quadrulata
Orthomorphina retrorsa
Orthomorphina richardsi
Orthomorphina rohri
Orthomorphina scalaris
Orthomorphina setosa
Orthomorphina spinosa
Orthomorphina striatissima
Orthophragmina decipiens
Orthophragmina dispansa
Orthophragmina omphalus
Orthotrinacria expansa
Orthotrinacria gracilis
Orthovertella gordiformis
Orthovertella protea
Orygmatosphaeridium plicatum P. K. Maithy & M. Shukla
Orygmatosphaeridium trizonatum P. K. Maithy
Orygmatosphaeridium vulgare P. K. Maithy
Osangularia brotzeni
Osangularia brunswickensis
Osangularia californica
Osangularia cordieriana
Osangularia culter
Osangularia cultur
Osangularia florealis
Osangularia insigna
Osangularia insigna secunda
Osangularia lens
Osangularia occidentalis
Osangularia plummerae
Osangularia pteromphalia
Osangularia tenuicarinata
Osangularia venusta
Ostenfeldiella diplantherae Ferd. & Winge
Ostreopsis belizeana M. A. Faust
Ostreopsis caribbeana M. A. Faust
Ostreopsis heptagona D.R. Norris, J.W. Bomber & E. Balech
Ostreopsis labens M. A. Faust & S. L. Morton
Ostreopsis lenticularis Fukuyo
Ostreopsis marina M. A. Faust
Ostreopsis mascarenensis J. P. Quod
Ostreopsis ovata Fukuyo
Ostreopsis siamensis Schmidt
Ovalveolina crassa
Ovalveolina maccagnoi
Ovoidinium diversum R. J. Davey
Ovoidinium implanum R. J. Davey
Ovoidinium incomptum DUXBURY
Ovoidinium incorporeum DUXBURY
Ovulites margaritacea
Oxyphysis oxytoxoides Kofoid
Oxyrrhis marina Dujardin
Oxytoxum aceratum Rampi
Oxytoxum adriaticum Schiller
Oxytoxum areolatum Rampi
Oxytoxum belgicae Meunier
Oxytoxum brunellii Rampi
Oxytoxum caudatum Schiller
Oxytoxum challengeroides Kofoid
Oxytoxum constrictum (Stein) Biltschli
Oxytoxum coronatum Schiller
Oxytoxum crassum Schiller
Oxytoxum cribosum Stein
Oxytoxum cribrosum
Oxytoxum criophilum (Yellow Moray)
Oxytoxum cristatum Kofoid
Oxytoxum curvatum Kofoid
Oxytoxum curvicaudatum Kofoid
Oxytoxum depressum Schiller
Oxytoxum diploconus Stein
Oxytoxum elegans Pavillard
Oxytoxum elongatum
Oxytoxum gladiolus Stein
Oxytoxum globosum Schiller
Oxytoxum gracile Schiller
Oxytoxum laticeps Schiller
Oxytoxum lativelatrum
Oxytoxum latum Gaarder
Oxytoxum ligusticum Rampi
Oxytoxum longiceps Schiller
Oxytoxum longum Schiller
Oxytoxum mediterraneum Schiller
Oxytoxum mediterreaneum
Oxytoxum milneri Murray & Whitting
Oxytoxum minutum Rampi
Oxytoxum mitra Stein
Oxytoxum muconatum Hope
Oxytoxum nanum Halldal
Oxytoxum nanus Halldal
Oxytoxum obesum Rampi
Oxytoxum obliquum Schiller
Oxytoxum ovale Schiller
Oxytoxum ovum Gaarder
Oxytoxum pacbyderme
Oxytoxum pachyderme
Oxytoxum parvulum
Oxytoxum parvum Schiller
Oxytoxum punctulatum Rampi
Oxytoxum radiosum Rampi
Oxytoxum rampii Sournia
Oxytoxum reficulatum (Stein) Schott
Oxytoxum renuistriatum Rampi
Oxytoxum sceptrum (Stein) Schrdder
Oxytoxum scolopax Stein
Oxytoxum semicollatum
Oxytoxum sphaeroideum Stein
Oxytoxum spinosum Rampi
Oxytoxum subulatum Kofoid
Oxytoxum tessalatum Stein
Oxytoxum tesselatum
Oxytoxum tessellatum
Oxytoxum turbo
Oxytoxum variabile Schiller
Oxytoxum variable Schiller
Oxytoxum viridae
Oxytoxum viride Schiller
Oxytricha bifaria Stokes
Oxytricha chilkaensis
Oxytricha chlorelligera Kahl
Oxytricha fallax Stein
Oxytricha furcata Smith
Oxytricha hymenostoma Stokes
Oxytricha islandica
Oxytricha lanceolata
Oxytricha ludibunda Stokes
Oxytricha marina
Oxytricha minor Kahl
Oxytricha setigera Stokes
Ozawainella angulata
Ozawainella delawarensis
Ozawainella huecoensis
Ozotobrachion peraltae E. D. Pöthe de Baldis
Last Revised: May 04, 2008