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Tiny Organisms in Aquatic Habitats
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Saccamoeba limax
Hunting for
Pyxidicula
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Pyxidicula
spec. 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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Chlorella
spec. as Zoochlorellae
Cystozygotes of
Eremosphaera viridis
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Fine Structure of
Coleps hirtus
Carapace
Platycola longicollis
on Java Moss
Binary Fission in
Vorticella
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Sexual Reproduction of
Melosira inflexa
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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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Diatoms – SAR-Stramenopiles (Bacillariophyta)
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Bacillariophyceae
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Achnanthes armillaris
Amphora ovalis
Cocconeis
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Cocconeis
spec.
Cocconeis pediculus
Cocconeis placentula
var.
euglypta
Cocconeis scutellum
Entomoneis
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Entomoneis paludosa
Epithemia
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Epithemia gibba
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Eunotia arcus
Bacillariales
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Bacillaria paxillifera
Cylindrotheca closterium
Nitzschia
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Nitzschia gracilis
Nitzschia hybrida
Nitzschia sigmoidea
Pseudo-nitzschia
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Pseudo‑nitzschia delicatissima
Pseudo‑nitzschia pungens
Cymbellales
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Cymbella
spec.
Gomphonema
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Gomphonema
spec.
Gomphonema micropus
Placoneis elginensis
Rhoicosphenia abbreviata
Naviculales
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Caloneis amphisbaena
Gyrosigma
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Gyrosigma acuminatum
Gyrosigma fasciola
Navicula
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Naviula
spec.
Navicula oblonga
Pinnularia
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Pinnularia viridiformis
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Plagiotropis gibberula
Surirellales
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Campylodiscus
spec.
Iconella
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Iconella elegans
Iconella linearis
Coscinodiscophyceae
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Ellerbeckia
spec.
Melosira
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Melosira inflexa
Melosira varians
Chaetocerotales
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Acanthoceras zachariasii
Attheya
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Attheya septentrionalis
Attheya longicornis
Chaetoceros
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Chaetoceros borealis
Chaetoceros brevis
Chaetoceros curvisetus
Chaetoceros danicus
Chaetoceros debilis
Chaetoceros decipiens
Chaetoceros densus
Chaetoceros diadema
Chaetoceros didymus
Chaetoceros eibenii
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Chaetoceros simplex
Chaetoceros tortissimus
Aulacoseira
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Aulacoseira
spec.
Aulacoseira granulata
Coscinodiscales
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Actinoptychus senarius
Coscinodiscus
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Coscinodiscus
spec.
Coscinodiscus concinnus
Coscinodiscus radiatus
Coscinodiscus wailesii
Rhizosoleniales
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Dactyliosolen fragilissimus
Guinardia
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Guinardia delicatula
Guinardia flaccida
Proboscia
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Proboscia
spec.
Proboscia alata
Pseudosolenia calcar-avis
Sundstroemia setigera
Thalassiosirales
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Skeletonemataceae
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Skeletonema
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Skeletonema
spec.
Skeletonema costatum
Stephanodiscaceae
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Cyclostephanos novae-zeelandiae
Cyclotella
spec.
Pantocsekiella kuetzingiana
Stephanodiscus
spec.
Thalassiosiraceae
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Porosira glacialis
Thalassiosira
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Thalassiosira
spec.
Thalassiosira angulata
Thalassiosira angustelineata
Thalassiosira eccentrica
Thalassiosira gravida
Thalassiosira leptopus
Thalassiosira lundiana
Thalassiosira nordenskioeldii
Thalassiosira punctigera
Fragilariophyceae
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Fragilariales
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Asterionella
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Asterionella formosa
Asterionella tekelili
Asterionellopsis glacialis
Centronella reicheltii
Diatoma vulgaris
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Fragilaria lemanensis
Meridion circulare
Rhabdonema arcuatum
Licmophorales
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Licmophora
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Licmophora spec.
Licmophora juergensii
Licmophora oedipus
Ulnaria ulna
Tabellariales
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Tabellaria fenestrata
Thalassionemales
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Thalassionema nitzschioides
Mediophyceae
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Cerataulina pelagica
Eucampia zodiacus
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Ditylum brightwellii
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Trieres chinensis
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Mediopyxis helysia
Odontella aurita
Zygoceros ehrenbergii
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All Items
Bacillariophyceae
Achnanthes armillaris
Amphora ovalis
Cocconeis
Cocconeis
spec.
Cocconeis pediculus
Cocconeis placentula
var.
euglypta
Cocconeis scutellum
Entomoneis
Entomoneis alata
Entomoneis paludosa
Epithemia
Epithemia adnata
Epithemia gibba
Epithemia turgida
Eunotia arcus
Bacillariales
Bacillaria paxillifera
Cylindrotheca closterium
Nitzschia
Nitzschia gracilis
Nitzschia hybrida
Nitzschia sigmoidea
Pseudo-nitzschia
Pseudo‑nitzschia delicatissima
Pseudo‑nitzschia pungens
Cymbellales
Cymbella
spec.
Gomphonema
Gomphonema
spec.
Gomphonema micropus
Placoneis elginensis
Rhoicosphenia abbreviata
Naviculales
Caloneis amphisbaena
Gyrosigma
Gyrosigma acuminatum
Gyrosigma fasciola
Navicula
Naviula
spec.
Navicula oblonga
Pinnularia
Pinnularia viridiformis
Pinnularia viridis
Plagiotropis gibberula
Surirellales
Campylodiscus
spec.
Iconella
Iconella elegans
Iconella linearis
Coscinodiscophyceae
Ellerbeckia
spec.
Melosira
Melosira inflexa
Melosira varians
Chaetocerotales
Acanthoceras zachariasii
Attheya
Attheya septentrionalis
Attheya longicornis
Chaetoceros
Chaetoceros borealis
Chaetoceros brevis
Chaetoceros curvisetus
Chaetoceros danicus
Chaetoceros debilis
Chaetoceros decipiens
Chaetoceros densus
Chaetoceros diadema
Chaetoceros didymus
Chaetoceros eibenii
Chaetoceros similis
Chaetoceros simplex
Chaetoceros tortissimus
Aulacoseira
Aulacoseira
spec.
Aulacoseira granulata
Coscinodiscales
Actinoptychus senarius
Coscinodiscus
Coscinodiscus
spec.
Coscinodiscus concinnus
Coscinodiscus radiatus
Coscinodiscus wailesii
Rhizosoleniales
Dactyliosolen fragilissimus
Guinardia
Guinardia delicatula
Guinardia flaccida
Proboscia
Proboscia
spec.
Proboscia alata
Pseudosolenia calcar-avis
Sundstroemia setigera
Thalassiosirales
Skeletonemataceae
Skeletonema
Skeletonema
spec.
Skeletonema costatum
Stephanodiscaceae
Cyclostephanos novae-zeelandiae
Cyclotella
spec.
Pantocsekiella kuetzingiana
Stephanodiscus
spec.
Thalassiosiraceae
Porosira glacialis
Thalassiosira
Thalassiosira
spec.
Thalassiosira angulata
Thalassiosira angustelineata
Thalassiosira eccentrica
Thalassiosira gravida
Thalassiosira leptopus
Thalassiosira lundiana
Thalassiosira nordenskioeldii
Thalassiosira punctigera
Fragilariophyceae
Fragilariales
Asterionella
Asterionella formosa
Asterionella tekelili
Asterionellopsis glacialis
Centronella reicheltii
Diatoma vulgaris
Fragilaria
Fragilaria islandica
Fragilaria lemanensis
Meridion circulare
Rhabdonema arcuatum
Licmophorales
Licmophora
Licmophora spec.
Licmophora juergensii
Licmophora oedipus
Ulnaria ulna
Tabellariales
Tabellaria fenestrata
Thalassionemales
Thalassionema nitzschioides
Mediophyceae
Hemiaulales
Cerataulina pelagica
Eucampia zodiacus
Lithodesmiales
Ditylum brightwellii
Triceratiales
Cerataulus granulatus
Trieres
Trieres chinensis
Trieres mobiliensis
Mediopyxis helysia
Odontella aurita
Zygoceros ehrenbergii
Illustrated Key for
Diatoms – SAR-Stramenopiles (Bacillariophyta)
Bacillariophyceae
Naviculales
Caloneis
amphisbaena
Gyrosigma
acuminatum
Gyrosigma
acuminatum
Gyrosigma
fasciola
Navicula
spec.
Navicula
spec.
Navicula
oblonga
Pinnularia
viridiformis
Pinnularia
viridis
Plagiotropis
gibberula
Caloneis
amphisbaena
Gyrosigma
acuminatum
Gyrosigma
acuminatum
Gyrosigma
fasciola
Navicula
spec.
Navicula
spec.
Navicula
oblonga
Pinnularia
viridiformis
Pinnularia
viridis
Plagiotropis
gibberula
© Wolfgang Bettighofer 2023–2024
New items
Glaucocystis
nostochinearum
Pseudopediastrum
subgranulatum
Pandorina
spec.
Lemmermannia
komarekii
Trebouxia
arboricola
Eremosphaera
viridis
Crucigenia
fenestrata
Goniochloris
tripus
Desmodesmus
subspicatus
Microthamnion
strictissimum
Raphidocelis
arcuata
Goniochloris
sculpta
Volvox
aureus
Crucigeniella
lunaris
Dimorphococcus
lunatus
Nephrochlamys
rostrata
Selenastrum
bibraianum
Microspora
irregularis
Dictyosphaerium
ehrenbergianum
Hydrodictyon
reticulatum
Oocystis
marssonii
Stauridium
tetras
Pseudostaurastrum
enorme
Oedogonium
spec.
Kirchneriella
obesa
Oocystis
parva
Tetradesmus
dimorphus
Pseudostaurastrum
limneticum
Ankistrodesmus
falcatus
Eremosphaera
viridis
cystozygote
Lacunastrum
gracillimum
Rayssiella
hemisphaerica
Tetradesmus
lagerheimii
Bumilleria
sicula
Botryosphaerella
sudetica
Glochiococcus
aciculiferus
Monactinus
simplex
Tetrastrum
elegans
Chlorophyta
cyst
Tetraedron
caudatum
Chaetophoropsis
pisiformis
Characium
angustum
Hindakia
tetrachotoma
Monactinus
simplex
var.
sturmii
Asterococcus
superbus
Treubaria
triappendiculata
Coleochaete
spec.
Chlorotetraedron
incus
Parapediastrum
biradiatum
Cladophora
spec.
zoospores
Chlamydomonas
mutabilis
Chlorella
spec.
Coelastrum
microporum
var.
octaedricum
Lemmermannia
tetrapedia
Pediastrum
braunii
Ulothrix
speciosa
Chlamydomonas
reinhardtii
Chlorella
vulgaris
Desmodesmus
communis
Micractinium
pusillum
Pseudopediastrum
boryanum
var.
longicorne
Klebsormidium
dissectum
Haematococcus
lacustris
Coccomyxa
confluens
Desmodesmus
opoliensis
var.
carinatus
Micractinium
quadrisetum
Porphyridium
purpureum
Chrysopyxis
paludosa
Octactis
speculum
Ceramium
diaphanum
Virescentia
helminthosa
New items
Glaucocystis
nostochinearum
Pseudopediastrum
subgranulatum
Pandorina
spec.
Lemmermannia
komarekii
Trebouxia
arboricola
Eremosphaera
viridis
Crucigenia
fenestrata
Goniochloris
tripus
Desmodesmus
subspicatus
Microthamnion
strictissimum
Raphidocelis
arcuata
Goniochloris
sculpta
Volvox
aureus
Crucigeniella
lunaris
Dimorphococcus
lunatus
Nephrochlamys
rostrata
Selenastrum
bibraianum
Microspora
irregularis
Dictyosphaerium
ehrenbergianum
Hydrodictyon
reticulatum
Oocystis
marssonii
Stauridium
tetras
Pseudostaurastrum
enorme
Oedogonium
spec.
Kirchneriella
obesa
Oocystis
parva
Tetradesmus
dimorphus
Pseudostaurastrum
limneticum
Ankistrodesmus
falcatus
Eremosphaera
viridis
cystozygote
Lacunastrum
gracillimum
Rayssiella
hemisphaerica
Tetradesmus
lagerheimii
Bumilleria
sicula
Botryosphaerella
sudetica
Glochiococcus
aciculiferus
Monactinus
simplex
Tetrastrum
elegans
Chlorophyta
cyst
Tetraedron
caudatum
Chaetophoropsis
pisiformis
Characium
angustum
Hindakia
tetrachotoma
Monactinus
simplex
var.
sturmii
Asterococcus
superbus
Treubaria
triappendiculata
Coleochaete
spec.
Chlorotetraedron
incus
Parapediastrum
biradiatum
Cladophora
spec.
zoospores
Chlamydomonas
mutabilis
Chlorella
spec.
Coelastrum
microporum
var.
octaedricum
Lemmermannia
tetrapedia
Pediastrum
braunii
Ulothrix
speciosa
Chlamydomonas
reinhardtii
Chlorella
vulgaris
Desmodesmus
communis
Micractinium
pusillum
Pseudopediastrum
boryanum
var.
longicorne
Klebsormidium
dissectum
Haematococcus
lacustris
Coccomyxa
confluens
Desmodesmus
opoliensis
var.
carinatus
Micractinium
quadrisetum
Porphyridium
purpureum
Chrysopyxis
paludosa
Octactis
speculum
Ceramium
diaphanum
Virescentia
helminthosa