Acanthocystis turfacea

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NikonUser
Posts: 2694
Joined: Thu Sep 04, 2008 2:03 am
Location: southern New Brunswick, Canada

Acanthocystis turfacea

Post by NikonUser »

EDIT: was "What id this?"; thanks to Rekuwi for positive ID
From a FW seepage from a coastal forest.
I have the sense that this individual was spherical, it rotated slowly during the exposures.
Note the 2 different length of 'spines'
Oly 20x S Plan Apo, 2.5x NFK photoeyepiece, 2µ frames ZS PMax stack
Image
NUM10039
Last edited by NikonUser on Sun Sep 05, 2010 3:19 pm, edited 1 time in total.
NU.
student of entomology
Quote – Holmes on ‘Entomology’
” I suppose you are an entomologist ? “
” Not quite so ambitious as that, sir. I should like to put my eyes on the individual entitled to that name.
No man can be truly called an entomologist,
sir; the subject is too vast for any single human intelligence to grasp.”
Oliver Wendell Holmes, Sr
The Poet at the Breakfast Table.

Nikon camera, lenses and objectives
Olympus microscope and objectives

rekuwi
Posts: 83
Joined: Mon Jan 12, 2009 9:22 am
Location: Wiesbaden, Deutschland

Post by rekuwi »

Hallo NU,

Acanthocystis turfacea, (schönes Nadel-Sonnentier), but I'm not sure because it is only 60 µm.

Regi

NikonUser
Posts: 2694
Joined: Thu Sep 04, 2008 2:03 am
Location: southern New Brunswick, Canada

Post by NikonUser »

Rekuwi: Many thanks for the ID. :D

I checked my original notes and the body width of this specimen was 100µ. I saw an image on the WWW that was 88µ wide so 100µ doesn't seem unreasonable

From info on the WWW. This species is a centrohelid heliozoon with two typesof forked silaceous spines, long and short. Cytoplasm contains symbiotic zoochlorellae algae.
NU.
student of entomology
Quote – Holmes on ‘Entomology’
” I suppose you are an entomologist ? “
” Not quite so ambitious as that, sir. I should like to put my eyes on the individual entitled to that name.
No man can be truly called an entomologist,
sir; the subject is too vast for any single human intelligence to grasp.”
Oliver Wendell Holmes, Sr
The Poet at the Breakfast Table.

Nikon camera, lenses and objectives
Olympus microscope and objectives

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