Comp.ana. ostracoderms,acanthodians,placoderms
Lobe-finned fishes The lobe-finned fishes are the fishes most closely related to the tetrapods and they are the group from which the amphibians and later.
Chondrichthyes. Hydrodynamics Body shape Sharks typically have an elongate fusiform body (rounded and tapering at both ends). This body shape reduces.
Marine Vertebrates: Fishes (part 2). Fishes Phylum Chordata Subphylum Vertebrata 3 Classes: Class Agnatha (jawless fishes) Class Chondrichthyes.
Chondrichthyes
The Coelacanth
Vertebrate Zoology Lab
