An pagkakaiba han mga rebisyon han "Isda"

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Bagis 14:
 
Gin babahin sa tulo na ''extant class'' ngan an extinct danay sakob san tulo na extant og may kalugaringun na class sa taditional na klasipikasyon san mga isda:<ref name="Romer, A 1977">[[Alfred Romer|Romer, A.S]]. & T.S. Parsons. 1977. ''The Vertebrate Body.'' 5th ed. Saunders, Philadelphia. (6th ed. 1985)</ref><ref>Benton, M. J. (1998) The quality of the fossil record of vertebrates. Pp. 269–303, in Donovan, S. K. and Paul, C. R. C. (eds), The adequacy of the fossil record, Fig. 2. Wiley, New York, 312 pp.</ref>
* ''Class [[Agnatha]] (''jawless fish'')
** Subclass [[Cyclostomata]] ([[hagfish]] andngan [[lamprey]]s)
** Subclass [[Ostracodermi]] (''armoured jawless fish'') †
* Class [[Chondrichthyes]] (cartilagnouscartilaginous fish)
** Subclass [[Elasmobranchii]] (mga [[pating]] ngan [[pagi]])
** Subclass [[Holocephali]] ([[chimaera]]s ngan ''extinct relatives'')
* Class [[Placodermi]] (''armoured fish'') †
* Class [[Acanthodii]] ("spiny sharks", danay sakob san bony fishes)†
* Class [[Osteichthyes]] (''bony fish'')
** Subclass [[Actinopterygii]] (''ray finned fishes'')
** Subclass [[Sarcopterygii]] (''fleshy finned fishes'', ancestorsninuno ofsan tetrapods)
 
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== Mga kasarigan ==
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