Theory exam 2

Question 1

7 classes of Mollusca

Answer 1

1. Polyplachophora
2. Monoplacophora
3. Aplacophora
4. Bivalvia
5. Cephalopoda
6. Scaphopoda
7. Gastropoda

Question 2

Subclasses of Cephalopods (3)

Answer 2

1. Subclass Nautiloidea
2. Subclass Ammonoidea
3. Subclass Coleoidea

Question 3

4 orders of Coleoidea

Answer 3

1. order Sepioidea
2. order Teuthoidea
3. order Vampyromorpha
4. order Octopoda

Question 4

4 orders of class Echinoidea

Answer 4

1. Echinoida
2. Echinothuroidea
3. Clypeasteroidea
4. Spatangoida

Question 5

2 orders of class Holothuroidea

Answer 5

1. Dendrochirotida
2. Elasipodida

Question 6

4 orders of Asteroidea

Answer 6

1. Forcipulata
2. Valvatida
3. Paxillosaida
4. Brinsigida

Question 7

2 orders of Subclass Ophiuroidea

Answer 7

1. Phrynophiurida
2. Ophiurida

Question 8

2 orders of Class Crinoidea

Answer 8

1. Comatulida
2. Iscocrinida

Question 9

2 subclasses of Trematodes

Answer 9

1. Digenea
2. Aspidogostrea