Corn futures "fell out of bed" Thursday, with late trading falling more than 30 cents lower and leading all grains lower.

December corn fell to 31 1/4 cents lower Thursday afternoon, settling at $6.11 1/2 per bushel, slipping south of the bottom end of a month-long trading range, analysts said. January soybeans were 22 1/4 cents lower at $11.65 1/2 per bushel and December wheat was 24 1/2 cents lower at $5.92 1/4.

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Weak export numbers and global debt worries continued to drive the slide, with the former putting extra pressure on the corn trade after disappointing export numbers released Thursday morning.

• Read more: Corn breaks below trading range