All About Sharks /
Sharks (superorder Selachimorpha) are a type of fish with a full cartilaginous skeleton and a highly streamlined body. The earliest known sharks date from more than 420 million years ago. Since that time, sharks have diversified into 440 species, ranging in size from the small dwarf lanternshark, Et...
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Format: | software, multimedia |
Language: | eng |
Published: |
Delhi, India : Research World,
2012
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Online Access: | http://repository.library.utm.my/id/eprint/3913 |