Class Cephalaspidomorphi of Group Agnatha

Question 1

What class has Lampreys?

Answer 1

Cephalaspidomorphi

Question 2

What organism is in the class Cephalaspidomorphi?

Answer 2

Lampreys

Question 3

Cephalaspidomorphi is in the Subphylum?

Answer 3

Vertebrata

Question 4

What classes has slender, eel-like, rounded with naked skin

Answer 4

Myxini and Cephalaspidomorphi

Question 5

What are the appendages and fins like?

Answer 5

-no paired appendages
-one or two dorsal fins

Question 6

What is the skeleton like?

Answer 6

Fibrous and cartilaginous skeleton

Question 7

What is the notochord like?

Answer 7

Notochord persistent

Question 8

What is the mouth like?

Answer 8

-oral discs and tongue
-keratinized teeth

Question 9

What is the nasal sac like?

Answer 9

Nasal sac not connected to Pharynx

Question 10

What is the digestive system like?

Answer 10

-digestive system without distinct stomach
-intestine with spiral fold

Question 11

What are the eyes like?

Answer 11

eyes well developed in adults

Question 12

What is the fertilization like?

Answer 12

External fertilization with long larval stage