Testate Amoebae –
Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)
Observations on Netzelia tuberculata
Protisten / Home / Testata Amoeboid Organisms / Amoebozoa / Tubulinea / Elardia / Arcellinida / Glutinoconcha / Sphaerothecina / Netzeliidae / Netzelia tuberculata

Taxonomic tree according to Lahr et al., 2019 (https://doi.org/10.1016/j.cub.2019.01.078)
and González-Miguéns et al., 2022 (https://doi.org/10.1016/j.ympev.2022.107557)
Amorphea Adl et al., 2012
Amoebozoa Lühe, 1913, renewed definition Cavalier-Smith, 1998
● Tubulinea Smirnov et al., 2005
●● Elardia, Kang et al., 2017
●●● Order Arcellinida Kent, 1880
●●●● Suborder Glutinoconcha Lahr et al., 2019
●●●●● Infraorder Sphaerothecina Kosakyan, Lara and Lahr, 2016
●●●●●● Family Netzeliidae Kosakyan et al., 2016, emend. Gonzales-Miguens et al, 2021
●●●●●●● Genus Netzelia Ogden, 1979
Netzelia tuberculata (Wallich, 1864) Netzel, 1983
Most likely ID: n.a.
Basionym: Difflugia tuberculata Wallich, 1864
Add’l Synonyms: n.a.
Sampling date 10/2007. Scale bars indicate 50 µm (1, 3, 4), 100 µm (2).
The surface texture of the test and the outline of the pseudostome collar of Netzelia tuberculata are (according to R. Meisterfeld, RWTH Aachen, Germany) very variable. Most of the agglutinated particles of the test (Shell) are silicious idiosoms, and all xenosomes are coated with silica by the mother organism.
Four images.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Pond Suploch, Hiddensee (Germany)
Latitude: 54.538638 Longitude: 13.097802
Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.
Sampling date 10/2008. Scale bars indicate 25 µm (1), 10 µm (2).
Two images: whole test and detailed view.
The test of Netzelia tuberculata shows its raspberry-like structure which gave the name (tuberculata). Like all Lesquereusiidae, Netzelia builds its shell from self-produced silica particles (called idiosomes). A few xenosomes are also visible. All xenosomes are covered with a siliceous coating.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Pond Suploch, Hiddensee (Germany)
Latitude: 54.538638 Longitude: 13.097802
Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.

SEM of Netzelia tuberculata test. Courtesy of Lab Dr. Karl-Heinz Schäffner, Solingen, Germany.
Place name: Pond Suploch, Hiddensee (Germany)
Latitude: 54.538638 Longitude: 13.097802
© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.
New items
crassa
digitus
var. lamellosum
digitus
var. latum
oblongum
interruptum
spec.
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kinahanii
spec.
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var. polymorphum
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rotata
swartzii
capitulum
antilopaeum
neosinuosum
brebissonii
pachydermum
thomasiana
var. notata
ansatum
forficulatum
var. verrucosum
neodepressum
armatum
oblongum
porteanum
truncata
rhomboidale
furcatum
uncinatum
dissiliens
pseudonitidulum
var. validum
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bidentatum
hirsutum
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didelta
spongiosum
var. perbifidum
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subarctoum
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var. trabecula
humerosum
teliferum
dejectus
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conspersum
komarekii
papillifera
arboricola
venustum
var. excavatum
viridis
pulchellum
tripus
granulatus
var. granulatus
subspicatus
humerosum
var. affine
nostochinearum
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New items
crassa
digitus
var. lamellosum
digitus
var. latum
oblongum
interruptum
spec.
spec.
kinahanii
spec.
polymorphum
var. polymorphum
spec.
spirostriolatum
digitus
brebissonii
rotata
swartzii
capitulum
antilopaeum
neosinuosum
brebissonii
pachydermum
thomasiana
var. notata
ansatum
forficulatum
var. verrucosum
neodepressum
armatum
oblongum
porteanum
truncata
rhomboidale
furcatum
uncinatum
dissiliens
pseudonitidulum
var. validum
truncata
var. bahusiensis
bidentatum
hirsutum
cucurbitinum
minor
pyramidatum
truncata
var. quadrata
binale
var. gutwinskii
inconspicuum
borreri
americana
quadratulum
trabecula
var. elongatum
coeseli
margaritacaeum
bicuneatum
apiculata
simplicius
crenulatum
crassum
simonyi
var. sparsiaculeatum
caelatum
crux-melitensis
sparsepunctatum
ehrenbergii
didelta
spongiosum
var. perbifidum
connatum
denticulata
subarctoum
trabecula
var. trabecula
humerosum
teliferum
dejectus
spec.
conspersum
komarekii
papillifera
arboricola
venustum
var. excavatum
viridis
pulchellum
tripus
granulatus
var. granulatus
subspicatus
humerosum
var. affine
nostochinearum
convergens
arcuata
integrum
aureus
rotata
lunaris
grevillei
lunatus
alternans
irregularis
laevis
var. laevis
ehrenbergianum
luetkemuelleri
var. carniolicum
reticulatum
tetras
limneticum
viridis
cystozygote
tetrachotoma
simplex
var. sturmii
biradiatum
microporum
var. octaedricum
braunii
reinhardtii
pusillum
lacustris
speculum
diaphanum