Untitled Flashcards Set

Porifera

• Sponges: Simple aquatic animals characterized by a porous body structure that allows water to flow through.

• oscula : water flows out

• pores : comes in

• choanocytes: specialized cells that line the interior and help in filtering food particles from the water.

Class Demospongiae

• leuconid: complex channels

• “bath sponges”

• Order Spongillida

Class Calcarea

• calcium carbonate

• oscula

• Order leucosolenia

Class Hexactinellida

• “glass sponge”

• look like genitalia

• clear

• silica shell

• exclusively deep sea

• spicules

Phylum Cnidaria

• Characterized by their radial symmetry and specialized cells called cnidocytes, which contain stinging structures used for defense and capturing prey.

Class Hydrozoa

• Hydra, siphonophore (Potrugese Man ‘o war)

Class Scyphozoa

• cannonball jelly

• gonionemus

• jellyfish

Subclass octocorallia

• sea pen

• sea whip

• sea fan

• sea pansy

• gorgonians

• octocorae

Subclass Hexacorallia

• hard corals

• anemones

Phylum Platyhelminthes

Class Turbellaria:

• Free-living flatworms that are mostly aquatic and exhibit a variety of body forms.

• genus planaria

Class trematoda

• Genus fasciola (Sheep liver Fluke)

• Genus Cloriochis (human liver fluke)

• Genus Schistonia (Blook Fluke)

Class Cestoda

• Genus Dipylidium (dog flea tapeworm)

• Genus Diphyllobothrium (fish tape worm)

• taenia (beef tapeworm

Phylum Nematoda

Family Ascaridae (roundworms)

Family ancylostomatidae (hookworms)

Annelida

Class Errantia

Family Nereididae (sandworms)

Family Glyceridae (bloodworms)

Family Aphroditidae (sea mice)

Class Sedentaria

Family Terebellidae (feather tube worms)

Family Lumbricidae (earthworms)

Family Hirudinidae (Leeches)

Family Arenicolidae (lugworms)

Phylum Mollusca

Class scapmopoda

Family Dentalidae (tooth or tusk shells)

Class Gastropoda

Family Busyconidae (whelks)

Family fissurellidae (keyhole limpet)

Family limacidae (land slugs)

Family Camaenidae (land snails)

Class Bivalvia

Family Unionidae (freshwater mussel)

Family pedinidae (scallops)

family ostreidae (oysters)

family pharidae (razor clam)

Class Polyplacophora (chiton)

class cephalopoda

superorder decapodiformes ( squid + cuttlefish)

superorder octipodiformes (octopuses)

family nautilidae (nautiluses)