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|Noun||1.||chondrichthian - fishes in which the skeleton may be calcified but not ossified|
holocephalan, holocephalian - fish with high compressed head and a body tapering off into a long tail
elasmobranch, selachian - any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates
fish - any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills; "the shark is a large fish"; "in the living room there was a tank of colorful fish"
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