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Note: Do not rely on this information. It is very old.
Centrolecithal
Centrolecithal eggs or ova are those in which the yolk occupies the centre, e.g. in the crab. This type of egg is, in fact, limited to the Arthropoda.
Centrolecithal eggs or ova are those in which the yolk occupies the centre, e.g. in the crab. This type of egg is, in fact, limited to the Arthropoda.