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...1 metre (about 3.3 feet) in total length; the largest known caecilian is C. thompsoni, at 152 cm (about 60 inches). The smallest caecilians are Idiocranium russeli in West Africa and Grandisonia brevis in the Seychelles; these species attain lengths of only 98–104 mm (3.9–4.1 inches) and 112...
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