Answer:
Midgardia Xandaros is the 'World's Biggest Starfish', it is also the 'World's Biggest Brisingid Starfish'. In fact, it is the 'World's Biggest Echinoderm of any type'. Midgardia has very long arms and a tiny body. Although each arm is 67cm (over 2 feet) long, its body is only 1 inch (2.6cm) across.
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