Phylum Chordata
Subphylum Vertebrata
Superclass Gnathostomata
Class Chondrichthyes
Subclass Elasmobrachii
The Great White Shark
Carcharodon carcharias
The Dogfish Shark
Squalus acanthias
How to determine the sex of a shark:
http://na.nefsc.noaa.gov/sharks/sexdet.html
Source: Blake Barron's Lab Manual
--"Lectures which really teach will never be popular; lectures which are popular will never really teach."-- Michael Faraday
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