Genesis leech

The Genesis leeches

Genesis worm

The Genesis worm, formed from the leeches

Genesis worms were creatures native to the Genesis Planet in 2285.

They were initially formed from microbes on Captain Spock's torpedo tube brought to the planet from the USS Enterprise after Spock's funeral. Throughout their short existence, the worms evolved very quickly from microbes to their adult form. The worms were also aggressive. They attacked a Klingon strike team led by Kruge. (Star Trek III: The Search for Spock)

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