Is there a chance that more species may actually be closer to fish than we originally thought?

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Sources:
https://ucmp.berkeley.edu/clad/clad5....
https://evolution.berkeley.edu/fishey...
https://evolution.berkeley.edu/phylog...
https://www.britannica.com/animal/shark
http://www.brooklyn.cuny.edu/bc/ahp/C...
https://www.britannica.com/science/sp...
https://www.nationalgeographic.org/en...
https://www.britannica.com/animal/pri...
https://www.britannica.com/animal/fis...
https://www.britannica.com/animal/tet...

Image Sources:
Images and Videos Courtesy of Monterey Bay Aquarium
https://www.gettyimages.com/detail/ph...
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https://en.wikipedia.org/wiki/File:Br...
https://www.eurekalert.org/multimedia...
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https://commons.wikimedia.org/wiki/Fi...
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