Pliotrema Directory References Discover 9 Animals That Look Like Leaves What State Is Washington, D.C. In? A History of U.S. Presidential Elections in Maps Why Is Alcohol Measured by Proof? Secret Service Code Names of 11 U.S. Presidents Is Australia an Island? Why We Celebrate MLK Day Contents Pliotrema shark genus Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:saw sharks In saw shark…two genera of saw sharks: Pliotrema, with six pairs of gill openings, and Pristiophorus, with five.Read More
