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Sixgill sawshark

The sixgill sawshark, Pliotrema warreni is a sawshark of the family Pristiophoridae. Presence of 6 pairs of gill slits highlights this genus among sharks; outside Hexanchiformes order, Pliotrema is the only shark genus with more than 5 gill slits.... Wikipedia
Scientific name: Pliotrema warreni
Higher classification: Pliotrema