Protisten.de

Tiny Organisms in Aquatic Habitats

Protisten.de Tiny Organisms in Aquatic Habitats

Menu

Menu

Zygnematophyceae –
Archaeplastida

Illustrated Key for

Desmids (Zygnematophyceae)

Orders of Zygnematophyceae according to Hess et al.: A phylogenomically informed five-order system for
the closest relatives of land plants. Current Biology 32, 4473–4482, 2022.

https://doi.org/10.1016/j.cub.2022.08.022

Zygnematophyceae/Serritaeniales/
Serritaeniaceae

Serritaenia spec. — Serritaenia
spec.

Serritaenia spec. — Serritaenia
spec.

Serritaenia spec. — Serritaenia
spec.

Serritaenia spec. — Serritaenia
spec.

Zygnematophyceae/Desmidiales/
Desmidiaceae (coccoid part, genera with elongated cells)

Actinotaenium cucurbitinum — Actinotaenium
cucurbitinum

Actinotaenium cucurbita — Actinotaenium
cucurbita

Actinotaenium cucurbita — Actinotaenium
cucurbita

Actinotaenium cucurbita — Actinotaenium
cucurbita

Docidium undulatum original graphic by Prof. Lenzenweger — Docidium
undulatum

Docidium undulatum — Docidium
undulatum

Tetmemorus brebissonii — Tetmemorus
brebissonii

Tetmemorus granulatus var. granulatus — Tetmemorus
granulatus
var. granulatus

Tetmemorus laevis var. laevis — Tetmemorus
laevis
var. laevis

Penium polymorphum — Penium
polymorphum

Penium polymorphum — Penium
polymorphum

Penium spirostriolatum — Penium
spirostriolatum

Gonatozygon kinahanii — Gonatozygon
kinahanii

Haplotaenium rectum — Haplotaenium
rectum

Pleurotaenium trabecula var. elongatum — Pleurotaenium
trabecula
var. elongatum

Pleurotaenium crenulatum — Pleurotaenium
crenulatum

Pleurotaenium ehrenbergii — Pleurotaenium
ehrenbergii

Pleurotaenium trabecula var. trabecula — Pleurotaenium
trabecula
var. trabecula

Pleurotaenium truncatum — Pleurotaenium
truncatum

Netrium digitus — Netrium
digitus

Netrium digitus — Netrium
digitus

Netrium digitus var. lamellosum — Netrium
digitus
var. lamellosum

Netrium digitus var. latum — Netrium
digitus
var. latum

Netrium oblongum — Netrium
oblongum

Planotaenium interruptum — Planotaenium
interruptum

Actinotaenium cucurbitinum — Actinotaenium
cucurbitinum

Actinotaenium cucurbita — Actinotaenium
cucurbita

Actinotaenium cucurbita — Actinotaenium
cucurbita

Actinotaenium cucurbita — Actinotaenium
cucurbita

Docidium undulatum original graphic by Prof. Lenzenweger — Docidium
undulatum

Docidium undulatum — Docidium
undulatum

Tetmemorus brebissonii — Tetmemorus
brebissonii

Tetmemorus granulatus var. granulatus — Tetmemorus
granulatus
var. granulatus

Tetmemorus laevis var. laevis — Tetmemorus
laevis
var. laevis

Penium polymorphum — Penium
polymorphum

Penium polymorphum — Penium
polymorphum

Penium spirostriolatum — Penium
spirostriolatum

Gonatozygon kinahanii — Gonatozygon
kinahanii

Haplotaenium rectum — Haplotaenium
rectum

Pleurotaenium trabecula var. elongatum — Pleurotaenium
trabecula
var. elongatum

Pleurotaenium crenulatum — Pleurotaenium
crenulatum

Pleurotaenium ehrenbergii — Pleurotaenium
ehrenbergii

Pleurotaenium trabecula var. trabecula — Pleurotaenium
trabecula
var. trabecula

Pleurotaenium truncatum — Pleurotaenium
truncatum

Netrium digitus — Netrium
digitus

Netrium digitus — Netrium
digitus

Netrium digitus var. lamellosum — Netrium
digitus
var. lamellosum

Netrium digitus var. latum — Netrium
digitus
var. latum

Netrium oblongum — Netrium
oblongum

Planotaenium interruptum — Planotaenium
interruptum

Zygnematophyceae/Desmidiales/
Desmidiaceae (filamentous part)

Bambusina borreri — Bambusina
borreri

Bambusina borreri — Bambusina
borreri

Bambusina borreri cyst — Bambusina
borreri
cyst

Desmidium grevillei — Desmidium
grevillei

Desmidium grevillei — Desmidium
grevillei

Desmidium grevillei — Desmidium
grevillei

Desmidium swartzii — Desmidium
swartzii

Hyalotheca dissiliens — Hyalotheca
dissiliens

Hyalotheca dissiliens — Hyalotheca
dissiliens

Hyalotheca minor — Hyalotheca
minor

Hyalotheca mucosa var. laevicincta — Hyalotheca
mucosa
var. laevicincta

Spondylosium pulchellum — Spondylosium
pulchellum

Bambusina borreri — Bambusina
borreri

Bambusina borreri — Bambusina
borreri

Bambusina borreri cyst — Bambusina
borreri
cyst

Desmidium grevillei — Desmidium
grevillei

Desmidium grevillei — Desmidium
grevillei

Desmidium grevillei — Desmidium
grevillei

Desmidium swartzii — Desmidium
swartzii

Hyalotheca dissiliens — Hyalotheca
dissiliens

Hyalotheca dissiliens — Hyalotheca
dissiliens

Hyalotheca minor — Hyalotheca
minor

Hyalotheca mucosa var. laevicincta — Hyalotheca
mucosa
var. laevicincta

Spondylosium pulchellum — Spondylosium
pulchellum

Zygnematophyceae/Zygnematales/
Zygnemataceae (coccoid part)

Cylindrocystis brebissonii — Cylindrocystis
brebissonii

Cylindrocystis brebissonii — Cylindrocystis
brebissonii

Cylindrocystis crassa — Cylindrocystis
crassa

Mesotaenium chlamydosporum — Mesotaenium
chlamydosporum

Cylindrocystis brebissonii — Cylindrocystis
brebissonii

Cylindrocystis brebissonii — Cylindrocystis
brebissonii

Cylindrocystis crassa — Cylindrocystis
crassa

Mesotaenium chlamydosporum — Mesotaenium
chlamydosporum

Zygnematophyceae/Zygnematales/
Zygnemataceae (filamentous part)

Mougeotia spec. — Mougeotia
spec.

Mougeotia spec. — Mougeotia
spec.

Mougeotia spec. — Mougeotia
spec.

Mougeotia spec. — Mougeotia
spec.

Zygnema spec. — Zygnema
spec.

Mougeotia spec. — Mougeotia
spec.

Mougeotia spec. — Mougeotia
spec.

Mougeotia spec. — Mougeotia
spec.

Mougeotia spec. — Mougeotia
spec.

Zygnema spec. — Zygnema
spec.

Zygnematophyceae/Spirogyrales/

Spirogyra spec. — Spirogyra
spec.

Spirogyra spec. — Spirogyra
spec.

Spirogyra spec. — Spirogyra
spec.

Spirogyra spec. — Spirogyra
spec.

Spirogyra spec. — Spirogyra
spec.

Spirogyra spec. — Spirogyra
spec.

© Wolfgang Bettighofer 2023–2026

New items

Cosmarium elegantissimiforme — Cosmarium
elegantissimiforme

Cosmarium pseudowillei — Cosmarium
pseudowillei

Xanthidium antilopaeum — Xanthidium
antilopaeum

Xanthidium laeve — Xanthidium
laeve

Xanthidium basiornatum — Xanthidium
basiornatum

Staurastrum capitulum — Staurastrum
capitulum

Serritaenia spec. — Serritaenia
spec.

Pseudonebela africana — Pseudonebela
africana

Cosmarium caelatum — Cosmarium
caelatum

Closterium acerosum

Micrasterias pinnatifida — Micrasterias
pinnatifida

Cosmarium striolatum — Cosmarium
striolatum

Cosmarium decedens — Cosmarium
decedens

Acutodesmus acutiformis — Acutodesmus
acutiformis

Stephanodiscus astraea — Stephanodiscus
astraea

Desmatractum bipyramidatum — Desmatractum
bipyramidatum

Peridinium cinctum — Peridinium
cinctum

Coelastrum pulchrum — Coelastrum
pulchrum

Limnias melicerta — Limnias
melicerta

Dimorphococcus lunatus — Dimorphococcus
lunatus

Tetmemorus brebissonii — Tetmemorus
brebissonii

Gloeodinium montanum — Gloeodinium
montanum

Closterium directum — Closterium
directum

Pleurotaenium truncatum — Pleurotaenium
truncatum

Staurastrum vestitum var. vestitum — Staurastrum
vestitum
var. vestitum

Cosmarium meneghinianum — Cosmarium
meneghinianum

Euastrum didelta — Euastrum
didelta

Micrasterias furcata — Micrasterias
furcata

Micrasterias jenneri — Micrasterias
jenneri

Euastrum ventricosum — Euastrum
ventricosum

Euastrum insigne — Euastrum
insigne

Actinotaenium cucurbita — Actinotaenium
cucurbita

Micrasterias fimbriata — Micrasterias
fimbriata

Actinotaenium cucurbita — Actinotaenium
cucurbita

Coscinodiscus wailesii — Coscinodiscus
wailesii

Euglypha filifera — Euglypha
filifera

Ditylum brightwellii — Ditylum
brightwellii

New items

Cosmarium elegantissimiforme — Cosmarium
elegantissimiforme

Cosmarium pseudowillei — Cosmarium
pseudowillei

Xanthidium antilopaeum — Xanthidium
antilopaeum

Xanthidium laeve — Xanthidium
laeve

Xanthidium basiornatum — Xanthidium
basiornatum

Staurastrum capitulum — Staurastrum
capitulum

Serritaenia spec. — Serritaenia
spec.

Pseudonebela africana — Pseudonebela
africana

Cosmarium caelatum — Cosmarium
caelatum

Closterium acerosum

Micrasterias pinnatifida — Micrasterias
pinnatifida

Cosmarium striolatum — Cosmarium
striolatum

Cosmarium decedens — Cosmarium
decedens

Acutodesmus acutiformis — Acutodesmus
acutiformis

Stephanodiscus astraea — Stephanodiscus
astraea

Desmatractum bipyramidatum — Desmatractum
bipyramidatum

Peridinium cinctum — Peridinium
cinctum

Coelastrum pulchrum — Coelastrum
pulchrum

Limnias melicerta — Limnias
melicerta

Dimorphococcus lunatus — Dimorphococcus
lunatus

Tetmemorus brebissonii — Tetmemorus
brebissonii

Gloeodinium montanum — Gloeodinium
montanum

Closterium directum — Closterium
directum

Pleurotaenium truncatum — Pleurotaenium
truncatum

Staurastrum vestitum var. vestitum — Staurastrum
vestitum
var. vestitum

Cosmarium meneghinianum — Cosmarium
meneghinianum

Euastrum didelta — Euastrum
didelta

Micrasterias furcata — Micrasterias
furcata

Micrasterias jenneri — Micrasterias
jenneri

Euastrum ventricosum — Euastrum
ventricosum

Euastrum insigne — Euastrum
insigne

Actinotaenium cucurbita — Actinotaenium
cucurbita

Micrasterias fimbriata — Micrasterias
fimbriata

Actinotaenium cucurbita — Actinotaenium
cucurbita

Coscinodiscus wailesii — Coscinodiscus
wailesii

Euglypha filifera — Euglypha
filifera

Ditylum brightwellii — Ditylum
brightwellii