For other uses, see Syllerran.

Syllerran I was a class N world, a planet in unclaimed space near the Borg Collective. It was the innermost planet of the Syllerran system, located in the Syllerran sector and Vyntadi sector block of the galaxy's Delta Quadrant. All four inner planets of the Syllerran system were uninhabitable class N worlds. (STO - The Delta Quadrant mission: "Mindscape")

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