No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Cyclostomata.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Chondrichthyes.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Osteichthyes.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is BCyclostomata.
Lampreys are one of the jawless fishes of the order Petromyzontiformes. Petromyzon is the scientific name of the sea lamprey. Chordates are characterized by the presence of notochord. Cyclostomata is a type of Chordate, that comprises the living jawless fishes, like the lampreys and hagfishes. It is long and slender snake-like organism. This organism is not called as the true fish. The organism lacks the paired fins. The organism has well developed dorsal and ventral fin folds. These fin folds help in swimming and locomotion. The adult stage is characterized by a toothed, funnel-like sucking mouth.