PHYLA/CLASSES/ORDERS (EXAM 1)

Question 1

Phylum? Subphylum? Class? Subclass?
Sea Whips/Sea Fans
Sea Pens
Soft Corals

Answer 1

Phylum: Cnidaria
Subphylum: Anthozoa
Class: Anthozoa
Subclass: Octocorallia

Question 2

Phylum? Subphylum? Class? Subclass?
Sea Anemones
Stony Corals

Answer 2

Phylum: Cnidaria
Subphylum: Anthozoa
Class: Anthozoa
Subclass: Hexacorallia

Question 3

Phylum? Subphylum? Class?
Hydroids and fire corals
Siphonophores (man-of-war

Answer 3

Phylum: Cnidaria
Subphylum: Medusozoa
Class: Hydrozoa

Question 4

Phylum? Subphylum? Class?
Jellyfish

Answer 4

Phylum: Cnidaria
Subphylum: Medusozoa
Class: Scyphozoa

Question 5

Phylum? Subphylum? Class?
Sea Wasps and Box Jellies

Answer 5

Phylum: Cnidaria
Subphylum: Medusozoa
Class: Cubozoa

Question 6

Phylum? Subphylum? Class?
Stauromedusae

Answer 6

Phylum: Cnidaria
Subphylum: Medusozoa
Class: Staurozoa

Question 7

Phylum? Class?
Chitons

Answer 7

Phylum: Mollusca
Class: Polyplacophora

Question 8

Phylum? Class?
limpets, whelks, abalone, sea slugs, sea hares, terrestrial slugs and snails

Answer 8

Phylum: Mollusca
Class: Gastropoda

Question 9

Phylum? Class?
clams, cockels, mussels, oysters, scallops

Answer 9

Phylum: Mollusca
Class: Bivalvia

Question 10

Phylum? Class?
tusk shells

Answer 10

Phylum: Mollusca
Class: Scaphopoda

Question 11

Phylum? Class?
nautilus, octopus, squid, cuttlefish

Answer 11

Phylum: Mollusca
Class: Cephalopoda

Question 12

Phylum?

Answer 12

Phylum: Rotifera

Question 13

Phylum? Class?
Spicules composed of calcium carbonate

Answer 13

Phylum: Porifera
Class: Calcarea

Question 14

Phylum? Class?
Siliceous (hydrated SiO2) spicules or organic collagen network

Answer 14

Phylum: Porifera
Class: Demospongiae

Question 15

Phylum? Class?
-Glass Sponge
-Siliceous, six-rayed spicules

Answer 15

Phylum: Porifera
Class: Hexatinellida

Question 16

Phylum? Class?
-Most have no spicules, if they do the spicules are small and siliceous

Answer 16

Phylum: Porifera
Class: Homoscleromorpha

Question 17

Phylum? Order?

Answer 17

Phylum: Ctenophora
Order: Cydippida

Question 18

Phylum? Order?

Answer 18

Phylum: Ctenophora
Order: Beroida

Question 19

Phylum? Order?

Answer 19

Phylum: Ctenophora
Order: Lobata

Question 20

Phylum? Class?
-Proboscis is not armed with stylets
-Mouth separate from proboscis opening

Answer 20

Phylum: Nemertea
Class: Paleonemertea

Question 21

Phylum? Class? Subclass?
-Proboscis that is armed with stylets associated with toxins
-Mouth and proboscis share an opening

Answer 21

Phylum: Nemertea
Class: Neonemertea Subclass: Hoplonemertea