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Chondrichthyes: Dogfish Sharks (Squalus)<br />
Dogfish Shark, Squalus, Wax casts, fluid preserved or lucite blocks with vertebral columns<br />
Types of vertebrae: trunk & caudal.<br />
Structures on all vertebrae: neural canal & centrum.<br />
Additional structure on caudal vertebrae: hemal canal.<br />
Centrum design: amphicoelous.<br />
Trunk<br />
Caudal<br />
Rachel Simon was a former biology undergraduate & then peer TA for this class, as well as an outstanding artist.<br />
Enjoy her diagram!