
Scales of C. vestitum, scale bar 0,25µm, (Kudryavtsev 2005)

Scale of Cochliopodium sp., Scanning Electron Microscope, 60.000x

Cochliopodium sp., dorsal, crystals
The next image shows an optical cut through the tectum:

Cochliopodium sp., nucleus
Within Cochliopodium four species with spines were described: C. vestitum (Archer, 1871), C. pilosum (Hertwig et Lesser, 1874), C. echinatum (Korotneff, 1879) und C. longispinum (West, 1901). Today, all of these are regarded as synonyms for C. vestitum (Redescription of Cochliopodium vestitum - Kudryavtsev 2005).

Cochliopodium vestitum, spines

Cochliopodium vestitum, scales

Cochliopodium vestitum, scales
The next images show C. vestitum full of purple bacteria and zoochlorellae. At 2 o'clock there is an opening in the testum where a pseudopodium is visible.

63x, dorsal view of the scales

63x, optical cut, nucleus at 8 o'clock.
All images of C. vestitum show the same individual. The SEM image happened by accident. I was looking for something else when I stumbled across a strange subject. When I increased the magnification it looked like a Cochliopodium scale.
Regards,
Eckhard