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Actinosphaerium (single-celled)

(Example of a heliozoa)


heliozoa.gif (2494 bytes)


Further details:
Sun animalcules and amoebas

Name (genus) : Actinosphaerium

Size : 200 - 1000 µm

Where to find them : Planktonic and amongst plants (especially fine-leaved).

Notes : The Heliozoans, also called sun-animalcules in older books, are a delight to study under the microscope. They have hair-like pseudopodia called axopodia (which are often stiffened) that radiate outwards.

There are a number of smaller species e.g. in the genera Actinophrys and Acanthocystis.

Classification :
Kingdom -
Protoctista, Class - Heliozoa

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Published in Micscape Magazine February 2001.

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