From Wikipedia, the free encyclopedia
Y grŵp mwyaf o bysgod yw'r pysgod esgyrnog. Mae mwy na 26,000 o rywogaethau. Mae ganddynt sgerbwd o asgwrn yn hytrach na chartilag.
Pysgod esgyrnog | |
---|---|
Dosbarthiad gwyddonol | |
Teyrnas: | Animalia |
Ffylwm: | Chordata |
Is-ffylwm: | Vertebrata |
Uwchddosbarth: | Huxley, 1880 |
Dosbarthiadau | |
Actinopterygii |
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