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Tiny Organisms in Aquatic Habitats
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Proteobacteria
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and Chlorobi
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Algae without Flagella
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Diatoms
Other
Golden-brownish-
colored Algae
Green-colored
Algae (1)
Green-colored
Algae (2):
Desmids sensu lato
Reddish-colored
Algae
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Amoeboid Protists
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Naked Amoebae
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Heliozoic Amoebae
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Diatoms
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Colored Flagellates
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Metazoa
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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
Cystozygotes of
Eremosphaera viridis
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Streptophytes (Desmids)
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Mitochondria in
Micrasterias
Dictyosomes in
Micrasterias
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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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Home
Bacteria
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Proteobacteria
Cyanobacteria and Chlorobi
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Algae without Flagella
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Diatoms
Other Golden-brownish-colored Algae
Green-colored Algae (1)
Green-colored Algae (2): Desmids sensu lato
Reddish-colored Algae
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Amoeboid Protists
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Naked Amoebae
Testate Amoebae
Heliozoic Amoebae
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Ciliates
Diatoms
Flagellate Organisms
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Colored Flagellates
Colorless Flagellates
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Metazoa
Organisms grouped by Taxonomy
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
Close
Pyxidicula operculata
as a Neuston Organism
Close
Heliozoic Amoebae
Close
Defecation in
Nuclearia
spec.
Nuclearia delicatula
, a Multinucleated Organism
Cell Division in
Nuclearia simplex
Raphidocystis pallida
as Neuston Member
Close
Close
Chlorophytes
Close
Chlorella
spec. as Zoochlorellae
Cystozygotes of
Eremosphaera viridis
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Streptophytes (Desmids)
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Mitochondria in
Micrasterias
Dictyosomes in
Micrasterias
Close
Ciliates
Close
Fine Structure of
Coleps hirtus
Carapace
Platycola longicollis
on Java Moss
Binary Fission in
Vorticella
Close
Diatoms
Close
Sexual Reproduction of
Melosira lineata
Close
Cnidaria
Close
Fine Structure of
Hydra viridissima
Close
Rotifers
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Ptygura kostei
on Java Moss
Ptygura longicornis
on Java Moss
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Usage Hints
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Naked Amoebae –
Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)
All Items
Amoebozoa
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Discosea
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Flabellinia
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Dermamoebida
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Mayorella
spec.
Mayorella penardi
Thecamoebida
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Thecamoeba similis
Thecamoeba striata
Vannellidae
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Platyamoeba
spec.
Vannella simplex
Himantismenida
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Cochliopodiidae
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Cochliopodium
spec.
Cochliopodium bilimbosum
Cochliopodium vestitum
Evosea
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Archamoebae
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Mastigamoeba aspera
Pelomyxa palustris
Variosea
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Enteromyxa paludosa
Tubulinea
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Elardia / Euamoebida
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Amoebidae
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Amoeba proteus
Hartmannellidae
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Saccamoeba
spec.
Saccamoeba limax
Elardia / Leptomyxida
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Rhizamoeba clavarioides
SAR-Stramenopiles
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Sinurophyceae / Rhizochloridales
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Chlamydomyxa labyrinthuloides
SAR-Rhizaria
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Cercozoa / Granofilosea
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Hedriocystis pellucida
Heliomorpha mutans
Microgromia socialis
Endomyxa / Vampyrellida
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Leptophrys vorax
Placopus rubicundus
Vampyrella lateritia
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All Items
Amoebozoa
Discosea
Flabellinia
Dermamoebida
Mayorella
spec.
Mayorella penardi
Thecamoebida
Thecamoeba similis
Thecamoeba striata
Vannellidae
Platyamoeba
spec.
Vannella simplex
Himantismenida
Cochliopodiidae
Cochliopodium
spec.
Cochliopodium bilimbosum
Cochliopodium vestitum
Evosea
Archamoebae
Mastigamoeba aspera
Pelomyxa palustris
Variosea
Enteromyxa paludosa
Tubulinea
Elardia / Euamoebida
Amoebidae
Amoeba proteus
Hartmannellidae
Saccamoeba
spec.
Saccamoeba limax
Elardia / Leptomyxida
Rhizamoeba clavarioides
SAR-Stramenopiles
Sinurophyceae / Rhizochloridales
Chlamydomyxa labyrinthuloides
SAR-Rhizaria
Cercozoa / Granofilosea
Hedriocystis pellucida
Heliomorpha mutans
Microgromia socialis
Endomyxa / Vampyrellida
Leptophrys vorax
Placopus rubicundus
Vampyrella lateritia
Illustrated Key for
Naked Amoebae – Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)
Amoebozoa – Discosea/Flabellinia/Dermamoebida
Amoebozoa – Discosea /Flabellinia/Dermamoebida
Mayorella
spec.
Mayorella
spec.
Mayorella
penardi
Mayorella
penardi
Mayorella
penardi
Mayorella
spec.
Mayorella
spec.
Mayorella
penardi
Mayorella
penardi
Mayorella
penardi
Amoebozoa – Discosea/Flabellinia/Thecamoebida
Amoebozoa –
Discosea/Flabellinia /Thecamoebida
Thecamoeba
similis
Thecamoeba
striata
Thecamoeba
similis
Thecamoeba
striata
Amoebozoa – Discosea/Flabellinia/Vannellidae
Amoebozoa – Discosea /Flabellinia/Vannellidae
Platyamoeba
spec.
Vannella
simplex
Platyamoeba
spec.
Vannella
simplex
Amoebozoa – Discosea/Himantismenida/Cochliopodiidae
Amoebozoa – Discosea /Himantismenida/Cochliopodiidae
Cochliopodium
bilimbosum
Cochliopodium
spec.
Cochliopodium
vestitum
Cochliopodium
bilimbosum
Cochliopodium
spec.
Cochliopodium
vestitum
Amoebozoa – Evosea/Archamoebae
Mastigamoeba
aspera
Pelomyxa
palustris
Mastigamoeba
aspera
Pelomyxa
palustris
Amoebozoa – Evosea/Variosea
Enteromyxa
paludosa
Enteromyxa
paludosa
Amoebozoa – Tubulinea/Elardia/Euamoebida/Amoebidae
Amoebozoa – Tubulinea/Elardia /Euamoebida/Amoebidae
Amoeba
proteus
Amoeba
proteus
Amoebozoa – Tubulinea/Elardia/Euamoebida/Hartmannellidae
Amoebozoa – Tubulinea/Elardia /Euamoebida/Hartmannellidae
Saccamoeba
spec.
Saccamoeba
limax
Saccamoeba
limax
Saccamoeba
spec.
Saccamoeba
limax
Saccamoeba
limax
Amoebozoa – Tubulinea/Elardia/Leptomyxida
Amoebozoa – Tubulinea/Elardia /Leptomyxida
Rhizamoeba
clavarioides
Rhizamoeba
clavarioides
SAR-Stramenopiles – Sinurophyceae/Rhizochloridales
Chlamydomyxa
labyrinthuloides
Chlamydomyxa
labyrinthuloides
SAR-Rhizaria – Cercozoa/Granofilosea
Hedriocystis
pellucida
Heliomorpha
mutans
Microgromia
socialis
Microgromia
socialis
Hedriocystis
pellucida
Heliomorpha
mutans
Microgromia
socialis
Microgromia
socialis
SAR-Rhizaria – Endomyxa/Vampyrellida
Leptophrys
vorax
Placopus
rubicundus
Vampyrella
latericia
Leptophrys
vorax
Placopus
rubicundus
Vampyrella
latericia
© Wolfgang Bettighofer 2023–2024
New items
Closterium
striolatum
Staurastrum
teliferum
Cosmarium
pseudopyramidatum
Cosmarium
pyramidatum
Staurastrum
scabrum
Staurastrum
capitulum
Staurastrum
forficulatum
Staurastrum
oligacanthum
var.
incisum
Mesotaenium
chlamydosporum
Staurastrum
arcuatum
var.
subavicula
Micrasterias
truncata
var.
quadrata
Difflugia
rubescens
Cosmarium
venustum
var.
excavatum
Cosmarium
ralfsii
var.
montanum
Micrasterias
ralfsii
Netrium
digitus
Closterium
acerosum
Closterium
intermedium
Hyalotheca
dissiliens
Closterium
kuetzingii
Closterium
ralfsii
var.
hybridum
Volvox
aureus
Cosmarium
botrytis
Cosmarium
quadratum
Cosmarium
quadrum
Cylindrocystis
crassa
Netrium
digitus
var.
lamellosum
Netrium
digitus
var.
latum
Netrium
oblongum
Planotaenium
interruptum
Spirogyra
spec.
Zygnema
spec.
Gonatozygon
kinahanii
Mougeotia
spec.
Penium
polymorphum
var.
polymorphum
Cylindrocystis
brebissonii
Micrasterias
rotata
Desmidium
swartzii
Xanthidium
antilopaeum
Euastrum
neosinuosum
Micrasterias
thomasiana
var.
notata
Staurastrum
forficulatum
var.
verrucosum
Xanthidium
armatum
Euastrum
oblongum
Euastrum
rhomboidale
Staurastrum
furcatum
Xanthidium
uncinatum
Staurastrum
hirsutum
Actinotaenium
cucurbitinum
Hyalotheca
minor
Bambusina
borreri
Micrasterias
americana
Euastrum
coeseli
Micrasterias
apiculata
Cosmarium
simplicius
Euastrum
crassum
Staurastrum
simonyi
var.
sparsiaculeatum
Cosmarium
caelatum
Micrasterias
crux-melitensis
Pleurotaenium
ehrenbergii
Euastrum
didelta
Staurastrum
spongiosum
var.
perbifidum
Micrasterias
denticulata
Staurodesmus
dejectus
Cosmarium
conspersum
Micrasterias
papillifera
Lemmermannia
komarekii
Trebouxia
arboricola
Cosmarium
venustum
var.
excavatum
Spondylosium
pulchellum
Goniochloris
tripus
Desmodesmus
subspicatus
Staurodesmus
convergens
Glaucocystis
nostochinearum
Raphidocelis
arcuata
Desmidium
grevillei
Tetmemorus
laevis
var.
laevis
Hydrodictyon
reticulatum
Eremosphaera
viridis
cystozygote
Chlamydomonas
reinhardtii
Haematococcus
lacustris
Octactis
speculum
New items
Closterium
striolatum
Staurastrum
teliferum
Cosmarium
pseudopyramidatum
Cosmarium
pyramidatum
Staurastrum
scabrum
Staurastrum
capitulum
Staurastrum
forficulatum
Staurastrum
oligacanthum
var.
incisum
Mesotaenium
chlamydosporum
Staurastrum
arcuatum
var.
subavicula
Micrasterias
truncata
var.
quadrata
Difflugia
rubescens
Cosmarium
venustum
var.
excavatum
Cosmarium
ralfsii
var.
montanum
Micrasterias
ralfsii
Netrium
digitus
Closterium
acerosum
Closterium
intermedium
Hyalotheca
dissiliens
Closterium
kuetzingii
Closterium
ralfsii
var.
hybridum
Volvox
aureus
Cosmarium
botrytis
Cosmarium
quadratum
Cosmarium
quadrum
Cylindrocystis
crassa
Netrium
digitus
var.
lamellosum
Netrium
digitus
var.
latum
Netrium
oblongum
Planotaenium
interruptum
Spirogyra
spec.
Zygnema
spec.
Gonatozygon
kinahanii
Mougeotia
spec.
Penium
polymorphum
var.
polymorphum
Cylindrocystis
brebissonii
Micrasterias
rotata
Desmidium
swartzii
Xanthidium
antilopaeum
Euastrum
neosinuosum
Micrasterias
thomasiana
var.
notata
Staurastrum
forficulatum
var.
verrucosum
Xanthidium
armatum
Euastrum
oblongum
Euastrum
rhomboidale
Staurastrum
furcatum
Xanthidium
uncinatum
Staurastrum
hirsutum
Actinotaenium
cucurbitinum
Hyalotheca
minor
Bambusina
borreri
Micrasterias
americana
Euastrum
coeseli
Micrasterias
apiculata
Cosmarium
simplicius
Euastrum
crassum
Staurastrum
simonyi
var.
sparsiaculeatum
Cosmarium
caelatum
Micrasterias
crux-melitensis
Pleurotaenium
ehrenbergii
Euastrum
didelta
Staurastrum
spongiosum
var.
perbifidum
Micrasterias
denticulata
Staurodesmus
dejectus
Cosmarium
conspersum
Micrasterias
papillifera
Lemmermannia
komarekii
Trebouxia
arboricola
Cosmarium
venustum
var.
excavatum
Spondylosium
pulchellum
Goniochloris
tripus
Desmodesmus
subspicatus
Staurodesmus
convergens
Glaucocystis
nostochinearum
Raphidocelis
arcuata
Desmidium
grevillei
Tetmemorus
laevis
var.
laevis
Hydrodictyon
reticulatum
Eremosphaera
viridis
cystozygote
Chlamydomonas
reinhardtii
Haematococcus
lacustris
Octactis
speculum