Evol. Bio. Exam 3

Phyla and Classes

Sponges

Phylum Porifera

Comb Jelly

Phylum Ctenophora

Class: Hydrozoa, Scyphozoa, Cubozoa, Anthozoa

Phylum Cnidaria (4 classes)

Hydras and Portuguese man-of-war

Class: Hydrazoa (Phylum Cnidaria)

Jellyfish and Sea Nettles

Class: Scyphozoa (Phylum Cnidaria)

Box Jellies and Sea Wasps

Class: Cubozoa (Cnidaria)

Sea Anemone, most Corals, Sea Fans

Class: Anthozoa (Cnidaria)

Class: Turbellaria, Monogenaea, Trematoda, Cestoda

Phylum: Platyhelminthes [Flatworms (4 classes)]

Free-Living Flatworms, eg Planaria

Class: Turbellaria (Phylum Platyhelminthes)

primarily ectoparasites of fish

Class: Monogenaea (Phylum Platyhelminthes)

Trematodes or Flukes

Class: Trematoda (Endoparasites) (Phylum Platyhelminthes)

Tapeworms

Class: Cestoda (Phylum Platyhelminthes)

Bryozoans or Moss Animals

Phylum Ectoprocta

Lamp Shells

Phylum Brachiopoda

Ribbon or Proboscis Worms

Phylum Nemertea

Class: Oligochaeta, Polychaeta, Hirudinea

Phylum Annelida [Segmented Worms (3 classes)]

Earthworms

Class: Oligochaeta (Phylum Annelida)

Polychaeta

Class: Polychaeta (Phylum Annelida)

Leeches

Class: Hirudinea (Phylum Annelida)

Class: Polyplacophora, Bivalvia, Gastropoda, Cephalopoda

Phylum Mollusca (4 classes)

Chitons

Class: Polyplacophora (Phylum Mollusca)

Clams, Oysters, Scallops, and Mussels

Class: Bivalvia (Phylum Mollusca)

Abalone, Limpet, Conch, Mudibranchs, Snails, Slugs, etc.

Class: Gastropoda (Phylum Mollusca)

Squid, Octopus, Nautilus, Cuttlefish

Class: Cephalopoda (Phylum Mollusca)

Roundworms

Phylum Nematoda

Subphylum: Trilobita, Cheliceriformes, Myriapoda, Crustacea, Hexapoda

Phylum Arthropoda (5 subphylum)

Trilobites

Subphylum: Trilobita (Phylum Arthropoda)

Spiders, Mites, Scorpions, Horseshoe Crabs

Subphylum: Cheliceriformes (Phylum Arthropoda)

Centipedes and Millipedes

Subphylum: Myriapoda (Phylum Arthropoda)

Lobsters, Crabs, Barnacles, Amphipods, Isopods, etc.

Subphylum: Crustacea (Phylum Arthropoda)

Insects and Relatives

Subphylum: Hexapoda (Phylum Arthropoda)

Acorn Worms

Phylum Hemichordata

Class: Asteroidea, Ophiuroidea, Echinoidea, Crinoidea, Holothuroidea

Phylum Echinoderma (5 classes)

Sea Stars

Class: Asteroidea (Phylum: Echinoderma)

Brittle Stars

Class: Ophiuroidea (Phylum: Echinoderma)

Sea Urchins, Sand Dollars

Class: Echinoidea (Phylum: Echinoderma)

Sea Lilies and Feather Stars

Class: Crinoidea (Phylum: Echinoderma)

Sea Cucumbers

Class: Holothuroidea (Phylum: Echinoderma)

Subphylum: Urochordata, Cephalachordata, Craniates, Gnathostomes, Osteichthyes, Tetrapods, Amniotes

Phylum Chordata (7 subphylum)

Tunicates or Sea Squirts

Subphylum: Urochordata (Phylum Chordata)

Lancelets

Subphylum: Cephalachordata (Phylum Chordata)

Class: Myxini, Cephalaspidomorphi

Subphylum: Craniates (its classes) (Phylum Chordata)

Hagfish

Class: Myxini [Subphylum Craniates (Phylum Chordata)]

Lamprey

Class: Cephalasidomorphi [Subphylum Craniates (Phylum Chordata)]

Class: Chondrichthyes

Subphylum: Gnathostomes [Jawed Vertebrates (its class)] (Phylum Chordata)

Sharks, Rays, and Chimaeras

Class: Chondrichthyes; Subphylum: Gnathostomes [Jawed Vertebrates] (Phylum Chordata)

Class: Actinopterygii, Actinistia, Dipnoi

Subphylum: Osteichthyes [Boney Fishes (its classes)] (Phylum Chordata)

Ray-Finned Fishes

Class: Actinopterygii Subphylum: Osteichthyes [Boney Fishes (its classes)] (Phylum Chordata)

Coelacanths

Class: Actinistia; Subphylum: Osteichthyes [Boney Fishes (its classes)] (Phylum Chordata)

Lungfish

Class: Dipnoi; Subphylum: Osteichthyes [Boney Fishes (its classes)] (Phylum Chordata)

Class: Amphibia

Subphylum: Tetrapods [Four-limbed Vertebrates (its class)] (Phylum Chordata)

Salamanders, Frogs, Caecilians

Class: Amphibia; Subphylum: Tetrapods [Four-limbed Vertebrates (its class)] (Phylum Chordata)

Class: Reptilia, Mammalia

Subphylum: Amniotes [Vertebrates with Amniotic Eggs (its classes)] (Phylum Chordata)

Turtles, Crocs, Dinosaurs, Birds, Tuatara, Squamates

Class: Reptilia; Subphylum: Amniotes [Vertebrates with Amniotic Eggs (its classes)] (Phylum Chordata)

Monotremes (platypus), Marsupials(possums, kangaroo), Eutherians (primates, rodents)

Class: Mammalia; Subphylum: Amniotes [Vertebrates with Amniotic Eggs (its classes)] (Phylum Chordata)