Difference between Agnatha and Gnathostomata
Difference between Agnatha and Gnathostomata are in tabular form below –
No. |
Agnatha |
Gnathostomata |
Definition |
||
1. | The most primitive living fish which jawless fish, feed by suction, have elongated body, mostly lack paired fins and body is covered by mucous, this is known as Agnatha. | The jawed vertebrates that possess five gill slits, two sets of paired appendages, paired nostrils, Articulated gill Arches, and three semi-circular ducts in the ears, this is known as Gnathostomata. |
With or Without Jaws |
||
2. | Organisms of Agnatha are jawless aquatic vertebrates. | Organisms of Gnathostomata are jawed vertebrates. |
Fins/Paired appendages |
||
3. | These organisms do not have fins and Paired appendages. | These organisms do have fins and paired appendages. |
Mouth |
||
4. | The organisms possess mouth that is without jaws. | The organisms possess mouth that have jaws. |
Blood/Notochord |
||
5. | The Agnatha are cold blooded organisms and have persistent notochord. | The Gnathostomata are cold or warm blooded organisms and have vertebral column. |
Nostrils |
||
6. | The organisms have single nostril. | The organisms have paired nostrils. |
Example |
||
7. | Hagfish and Lampreys. | Rohu. |