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Protisten.de
Tiny Organisms in Aquatic Habitats
Protisten.de
Tiny Organisms in Aquatic Habitats
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and Chlorobi
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Green-colored
Algae from
various related
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Streptophyta,
Desmids:
Cosmarium
Streptophyta,
Desmids:
Staurastrum
Streptophyta,
Mesostig-
matophyceae
Streptophyta,
Desmids:
Euastrum
Streptophyta,
Desmids:
Xanthidium
Streptophyta,
Desmids:
Closteriaceae
Streptophyta,
Desmids:
Micrasterias
Streptophyta,
other
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Diatoms
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Metazoa
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Extended Observation Descriptions
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Naked Amoebae
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Saccamoeba limax
Hunting for
Pyxidicula
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Testate Amoebae
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Pyxidicula operculata
as a Neuston Organism
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Heliozoic Amoebae
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Defecation in
Nuclearia
spec.
Nuclearia delicatula
, a Multinucleated Organism
Cell Division in
Nuclearia simplex
Raphidocystis pallida
as Neuston Member
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Chlorophytes
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Chlorella
spec. as Zoochlorellae
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Streptophytes (Desmids)
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Mitochondria in
Micrasterias
Dictyosomes in
Micrasterias
Primary cell wall in
Micrasterias fimbriata
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Ciliates
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Fine Structure of
Coleps hirtus
Carapace
Platycola longicollis
on Java Moss
Binary Fission in
Vorticella
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Diatoms
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Sexual Reproduction of
Melosira lineata
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Cnidaria
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Fine Structure of
Hydra viridissima
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Ptygura kostei
on Java Moss
Ptygura longicornis
on Java Moss
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Bacteria
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Proteobacteria
Cyanobacteria and Chlorobi
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Algae without Flagella (1)
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Green-colored Algae from various related Groups
Green-colored Algae: Streptophyta, Mesostigmatophyceae
Green-colored Algae: Streptophyta, Desmidiales, Closteriaceae
Green-colored Algae: Streptophyta, Desmidiaceae,
Cosmarium
Green-colored Algae: Streptophyta, Desmidiaceae,
Euastrum
Green-colored Algae: Streptophyta, Desmidiaceae,
Micrasterias
Green-colored Algae: Streptophyta, Desmidiaceae,
Staurastrum
Green-colored Algae: Streptophyta, Desmidiaceae,
Xanthidium
Green-colored Algae: Streptophyta, other Zygnematophyceae
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Algae without Flagella (2)
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Diatoms
Other Golden-brownish-colored Algae
Reddish-colored Algae
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Flagellate Organisms
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Colored Flagellates
Colorless Flagellates
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Amoeboid Protists
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Naked Amoebae
Testate Amoebae
Heliozoic Amoebae
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Ciliates
Diatoms
Heliozoic Amoeboids
Metazoa
Extended Observation Descriptions
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Amoeboid Protists
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Naked Amoebae
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Saccamoeba limax
Hunting for
Pyxidicula
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Testate Amoebae
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Pyxidicula operculata
as a Neuston Organism
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Heliozoic Amoebae
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Defecation in
Nuclearia
spec.
Nuclearia delicatula
, a Multinucleated Organism
Cell Division in
Nuclearia simplex
Raphidocystis pallida
as Neuston Member
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Chlorophytes
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Chlorella
spec. as Zoochlorellae
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Streptophytes (Desmids)
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Mitochondria in
Micrasterias
Dictyosomes in
Micrasterias
Primary cell wall in
Micrasterias fimbriata
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Ciliates
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Fine Structure of
Coleps hirtus
Carapace
Platycola longicollis
on Java Moss
Binary Fission in
Vorticella
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Diatoms
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Sexual Reproduction of
Melosira lineata
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Cnidaria
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Fine Structure of
Hydra viridissima
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Rotifers
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Ptygura kostei
on Java Moss
Ptygura longicornis
on Java Moss
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Organisms grouped by Taxonomy
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Colorless Flagellates –
Amoebozoa (Part), Cryptista (Part), Discoba (Part), Alveolates (Part), Stramenopiles (Part)
All Items
Amoeboflagellates
<-- Amoebozoa
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Evosea/Archamoebae
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Mastigamoeba aspera
Cercozoa
<-- SAR-Rhizaria
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Cercozoa/Imbricatea/Spongomonadida
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Spongomonas
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Spongomonas
spec.
Spongomonas uvella
Choanoflagellates
<-- Obazoa
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Choanoflagellata
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Codosiga botrytis
Diploeca
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Diploeca elongata
Diploeca flava
Diplosigopsis siderotheca
Lagenoeca globulosa
Salpingoeca
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Salpingoeca
spec.
Salpingoeca ampulloides
Salpingoeca buetschlii
Salpingoeca clarkii
Salpingoeca desaedeleeri
Salpingoeca frequentissima
Salpingoeca fusiformis
Salpingoeca helianthica
Salpingoeca ringens
Salpingoeca ruttneri
Salpingoeca urceolata
Salpingoeca vaginicola
Sphaeroeca volvox
Cryptophyceae
<-- Cryptista
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Goniomonas truncata
Dinophyceae
<-- SAR-Alveolata
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Dinophyceae/Noctilucales
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Noctiluca scintillans
Dinophyceae/Peridiniales
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Protoperidinium
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Protoperidinium depressum
Protoperidinium divergens
Protoperidinium pellucidum
Euglenozoa
<-- Discoba
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Euglenozoa
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Spirocuta/Aphagea
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Distigma proteus
Menoidium pellucidum
Spirocuta/Euglenophyceae
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Phacus ocellatus
Spirocuta/Heteronematales
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Anisonema
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Anisonema
spec.
Anisonema acinus
Heteronema mutabile
Peranema trichophorum
SAR-Stramenopiles
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Bigyra/Opalozoa/Bicosoecida
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Bicosoeca
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Bicosoeca exilis
Bicosoeca lacustris
Pseudodendromonas vlkii
Ochrophyta/Chrysophyceae/Chromulinales
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Anthophysa vegetans
Siderodendron manganiferum
Spumella
spec.
Spumella rivalis
Ochrophyta/Dictyochophyceae/Pedinellales
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Ciliophrys infusionum
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All Items
Amoeboflagellates
<-- Amoebozoa
Evosea/Archamoebae
Mastigamoeba aspera
Cercozoa
<-- SAR-Rhizaria
Cercozoa/Imbricatea/Spongomonadida
Spongomonas
Spongomonas
spec.
Spongomonas uvella
Choanoflagellates
<-- Obazoa
Choanoflagellata
Codosiga botrytis
Diploeca
Diploeca elongata
Diploeca flava
Diplosigopsis siderotheca
Lagenoeca globulosa
Salpingoeca
Salpingoeca
spec.
Salpingoeca ampulloides
Salpingoeca buetschlii
Salpingoeca clarkii
Salpingoeca desaedeleeri
Salpingoeca frequentissima
Salpingoeca fusiformis
Salpingoeca helianthica
Salpingoeca ringens
Salpingoeca ruttneri
Salpingoeca urceolata
Salpingoeca vaginicola
Sphaeroeca volvox
Cryptophyceae
<-- Cryptista
Goniomonas truncata
Dinophyceae
<-- SAR-Alveolata
Dinophyceae/Noctilucales
Noctiluca scintillans
Dinophyceae/Peridiniales
Protoperidinium
Protoperidinium depressum
Protoperidinium divergens
Protoperidinium pellucidum
Euglenozoa
<-- Discoba
Euglenozoa
Spirocuta/Aphagea
Distigma proteus
Menoidium pellucidum
Spirocuta/Euglenophyceae
Phacus ocellatus
Spirocuta/Heteronematales
Anisonema
Anisonema
spec.
Anisonema acinus
Heteronema mutabile
Peranema trichophorum
SAR-Stramenopiles
Bigyra/Opalozoa/Bicosoecida
Bicosoeca
Bicosoeca exilis
Bicosoeca lacustris
Pseudodendromonas vlkii
Ochrophyta/Chrysophyceae/Chromulinales
Anthophysa vegetans
Siderodendron manganiferum
Spumella
spec.
Spumella rivalis
Ochrophyta/Dictyochophyceae/Pedinellales
Ciliophrys infusionum
Illustrated Key for
Colorless Flagellates – Flagellates without Chloroplasts
Amoebozoa – Evosea
Archamoebae/Mastigamoebida
Mastigamoeba
aspera
Mastigamoeba
aspera
Cryptista – Cryptophyceae
Cyathomonadacea/Goniomonadaceae
Goniomonas
truncata
Goniomonas
truncata
Goniomonas
truncata
Goniomonas
truncata
Discoba – Euglenozoa/Euglenida
Spirocuta/Aphagea
Distigma
proteus
Menoidium
pellucidum
Distigma
proteus
Menoidium
pellucidum
Spirocuta/Euglenophyceae (colorless part)
Phacus
ocellatus
Phacus
ocellatus
Spirocuta/Heteronematales
Anisonema
acinus
Anisonema
spec.
Heteronema
mutabile
Peranema
trichophorum
Anisonema
acinus
Anisonema
spec.
Heteronema
mutabile
Peranema
trichophorum
Obazoa – Opisthokonta
Choanoflagellata
Codosiga
botrytis
Codosiga
botrytis
Diploeca
elongata
Diploeca
flava
Diplosigopsis
siderotheca
Lagenoeca
globulosa
Salpingoeca
ampulloides
Salpingoeca
buetschlii
Salpingoeca
buetschlii
Salpingoeca
clarkii
Salpingoeca
de-saedeleeri
Salpingoeca
frequentissima
Salpingoeca
fusiformis
Salpingoeca
helianthica
Salpingoeca
ringens
Salpingoeca
ruttneri
Salpingoeca
spec.
Salpingoeca
urceolata
Salpingoeca
vaginicola
Sphaeroeca
volvox
Sphaeroeca
volvox
Codosiga
botrytis
Codosiga
botrytis
Diploeca
elongata
Diploeca
flava
Diplosigopsis
siderotheca
Lagenoeca
globulosa
Salpingoeca
ampulloides
Salpingoeca
buetschlii
Salpingoeca
buetschlii
Salpingoeca
clarkii
Salpingoeca
de-saedeleeri
Salpingoeca
frequentissima
Salpingoeca
fusiformis
Salpingoeca
helianthica
Salpingoeca
ringens
Salpingoeca
ruttneri
Salpingoeca
spec.
Salpingoeca
urceolata
Salpingoeca
vaginicola
Sphaeroeca
volvox
Sphaeroeca
volvox
SAR-Stramenopiles – Bigyra
Opalozoa/Bicosoecida
Bicosoeca
exilis
Bicosoeca
lacustris
Pseudodendromonas
vlkii
Bicosoeca
exilis
Bicosoeca
lacustris
Pseudodendromonas
vlkii
SAR-Stramenopiles – Ochrophyta
Chrysophyceae/Chromulinales (colorless part)
Anthophysa
vegetans
Siderodendron
manganiferum
Spumella
spec.
Spumella
rivalis
Anthophysa
vegetans
Siderodendron
manganiferum
Spumella
spec.
Spumella
rivalis
Dictyochophyceae/Pedinellales
Ciliophrys
infusionum
Ciliophrys
infusionum
SAR-Alveolata – Dinophyceae
Noctilucales
Noctiluca
scintillans
Noctiluca
scintillans
Peridiniales (colorless part)
Protoperidinium
depressum
Protoperidinium
depressum
Protoperidinium
divergens
Protoperidinium
pellucidum
Protoperidinium
depressum
Protoperidinium
depressum
Protoperidinium
divergens
Protoperidinium
pellucidum
SAR-Rhizaria – Cercozoa
Imbricatea/Spongomonadida
Spongomonas
spec.
Spongomonas
uvella
Spongomonas
uvella
Spongomonas
spec.
Spongomonas
uvella
Spongomonas
uvella
© Wolfgang Bettighofer 2023–2025
New items
Centropyxis
discoides
Centropyxis
gibba
Centropyxis
cassis
Centropyxis
elongata
Centropyxis
oblonga
Galeripora
bathystoma
Difflugia
capreolata
Difflugia lebes
var.
masurica
Difflugia
globulosa
Difflugia
truncata
Difflugia
parva
Difflugia
globularis
Micrasterias
fimbriata
Trieres
chinensis
Coscinodiscus
wailesii
Coscinodiscus
concinnus
Euglypha
filifera
Trinema
lineare
Difflugia
urceolata
Trinema
enchelys
Centropyxis
oblonga
Galeripora
artocrea
Arcella
crenulata
Epithemia
spec.
Difflugia
brevicolla
Cocconeis
placentula
var.
euglypta
Difflugia
bryophila
Lesquereusia
spiralis
Gibbocarina
galeata
Arcella
mitrata
Arcella
gibbosa
Arcella conica
Euastrum
didelta
Difflugia
immanata
Cylindrifflugia
acuminata
Aulacoseira
granulata
Hyalotheca
mucosa
var.
laevicincta
Haplotaenium
rectum
Difflugia
bacillifera
Difflugia
brevicaulis
Cosmarium
nasutum
Closterium
striolatum
Staurastrum
teliferum
Cosmarium
pseudopyramidatum
New items
Centropyxis
discoides
Centropyxis
gibba
Centropyxis
cassis
Centropyxis
elongata
Centropyxis
oblonga
Galeripora
bathystoma
Difflugia
capreolata
Difflugia lebes
var.
masurica
Difflugia
globulosa
Difflugia
truncata
Difflugia
parva
Difflugia
globularis
Micrasterias
fimbriata
Trieres
chinensis
Coscinodiscus
wailesii
Coscinodiscus
concinnus
Euglypha
filifera
Trinema
lineare
Difflugia
urceolata
Trinema
enchelys
Centropyxis
oblonga
Galeripora
artocrea
Arcella
crenulata
Epithemia
spec.
Difflugia
brevicolla
Cocconeis
placentula
var.
euglypta
Difflugia
bryophila
Lesquereusia
spiralis
Gibbocarina
galeata
Arcella
mitrata
Arcella
gibbosa
Arcella conica
Euastrum
didelta
Difflugia
immanata
Cylindrifflugia
acuminata
Aulacoseira
granulata
Hyalotheca
mucosa
var.
laevicincta
Haplotaenium
rectum
Difflugia
bacillifera
Difflugia
brevicaulis
Cosmarium
nasutum
Closterium
striolatum
Staurastrum
teliferum
Cosmarium
pseudopyramidatum