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Shark | Attacks, Types, & Facts | Britannica
Shark, any of numerous species of cartilaginous fishes that make up the order Selachii (class Chondrichthyes). Most species have a tough skin that is dull gray in color and roughened by toothlike scales. The mouth contains sharp triangular teeth. Sharks lack a swim bladder and must swim to keep from sinking.Soft-tissue fossilization illuminates the stepwise evolution of the …
Introductory Chapter: General Overview on Oceanography
Elasmobranch diversity - CMFRI Repository
Animal Morphology Journal - Wiley Online Library
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Chondrichthyes の発音の仕方 | HowToPronounce.com
Chondrichthyes - Definition, Meaning & Synonyms | Vocabulary.com
BIOEE 2740 - The Vertebrates: Comparative Anatomy, Function, …
Paleobiota of the Ciechocinek Formation - Wikipedia
Art Therapy - LibGuides at Institute of Technology
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