Displaying articles by tag: Classification of Cyclostomata

BS Media in Zoology

Wednesday, 28 June 2017 10:49

CLASSIFICATION OF CYCLOSTOMATA

The class Cyclostomata is divided into two orders:1) Petromyzonia and 2) Myxinoidea   Order 1: Pefromyzonia   Lampreys are included in this order. The buccal funnel is suctorial and shows horny teeth. The mouth is present in the buccal funnel. The nasal sac is dorsal. It has no connection with…