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Sphaeropleales
In
taxonomy
, the
Sphaeropleales
are an
order
of
green algae
that used to be called
Chlorococcales
. The order includes some of the most common freshwater
planktonic
algae such as
Scenedesmus
and
Pediastrum
. The Spaeropleales includes vegetatively non-motile
unicellular
or colonial taxa that have biflagellate
zoospores
with
flagella
that are directly opposed in direction (the DO arrangement):
Sphaeroplea
,
Atractomorpha
,
Neochloris
,
Hydrodictyon
, and
Pediastrum
. All of these taxa have basal body core connections.
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