Phylum Porifera (Sponges)

1. Phylum Porifera Google Images
2. Invertebrate Keys AECOS, Inc.
3. Sponges and Corals e-Nature
4. Introduction to Porifera University of California, Berkeley
5. Labeled Lab Pictures of Porifera BioWeb University of Wisconsin
6. Overview Bellarmine University by Dr. Bill Tietjen
7. The Shape of Life PBS
8. 

Phylum Cnidaria

1. Phylum Cnidaria Google Search
2. Diploblasty Google Search
3. Diploblasty versus Triploblasty Rebecca Irwin, University of Tennessee
4. Introduction to the Cnidaria University of California, Berkeley
5. Corals and Coral Reefs SeaWorld
6. Cnidaria (Coelenterata) Tree of Life
7. Deadliest Creature Extreme Science
8. 

Phylum Ctenophora

1. Introduction to the Ctenophora University of California, Berkeley
2. Phylum Ctenophora Claudia E. Mills at University of Washington
3. Phylum Ctenophora Bellarmine University by Dr. Bill Tietjen
4. 

Phylum Platyhelminthes

1. Lab 4: Acoelomates & Pseudocoelomates BioWeb University of Wisconsin
2. Planaria
3. Phylum Platyhelminthes Oklahoma Community City College
4. Introduction to the Platyhelminthes University of California, Berkeley
5. Paulette Planaria Yuckiest Site on the Internet
6. The Shape of Life PBS
7. Parasitology Tutorial Public Health for Northern Alberta
8. 

Phylum Nemerteans (ribbon worms)

1. Marine and Evironmental Education and Research MEER
2. Introduction to the Nemertini University of California, Berkeley
3. 

Phylum Nematoda

1. Atlas of Medical Parasitology
2. Phylum Nematoda Oklahoma Community City College
3. Nematology University of Nebraska
4. Animal Diversity Web University of Michigan Museum of Zoology
5. Phylum Nematoda Bellarmine University
6. 

Phylum Rotifer

1. Birth of a Rotifer Microscopy UK
2. Whirling Animals article and photos by Bruce J. Russell
3. Hear a Rotifer Roar Microscopy UK
4. Centex Naturalist - Rotifers
5. Phylum Rotifer Bellarmine University by Dr. Bill Tietjen
6. Rotifers by Wim van Egmond
7. 

Classes of Phylum Mollusca

1. All Classes Photos Bellarmine University by Dr. Bill Tietjen
2. The Shape of Life PBS

Class Polyplacophora

1. Welcome to Chiton.com
2. Gumboot Chiton BioMedia Associates.
3. 

Class Gastropoda

1. Typical Prosobranchia Gastropod Andrew Zoltan Mason, Cal State Long Beach
2. Seaslug.com- Thousands of photos
3. Welcome to the Cone Shell & Conotoxins homepage.
4. House of Slime
5. Slug Site
6. UC Pest Mangement Guidlines University of California
7. 

Class Bivalvia

1. Clam dissection Review Jon C. Glase at Cornell University
2. How do Clam Shells Grow? NOAA Fisheries
3. WorldWide Conchology
4. 

Class Cephalopoda

1. Bioluminescence Web Page University of California Santa Barbara
2. Squid Dissection Review Jon C. Glase at Cornell University
3. Labeled Squid Dissection Photos BioWeb University of Wisconsin
4. The Cephalopod Page James D. Wood
5. In Search of Giant Squid NASA -SeaWiFS
6. Cephalopoda Tree of Life
7. 

Phylum Annelida

1. Developmental Mechanisms Problem Set University of Arizona
2. Annelids Lab - Dissection of Earthworm photos BioWeb University of Wisconsin
3. Phylum Annelida Oklahoma Community City College
4. Parasites National Geographic
5. Introduction to the Annelida University of California, Berkeley
6. Weird tube worms of the deepest seas University of California, Berkeley
7. Introduction to the Echiura University of California, Berkeley
8. Class Oligochaeta
9. Earthworm Dissection Review Jon C. Glase at Cornell University
10. Class Polychaeta
11. Introduction to the Polychaeta - The Bristleworms University of California, Berkeley
12. Marine worms Cyber Haus
13. Polychaeta Worm BioMedia Associates
14. Class Hirudinea
15. Welcome to the Leech Lab by Mark Siddall
16. 

Phylum Onycophora

1. Introduction to the Onychophora "Velvet worms" University of California, Berkeley
2. Minor Phyla Bellarmine University by Dr. Bill Tietjen
3. 

Phylum Arthropoda Table

1. The Arthropod Story Understanding Evolution website.
2. Information on All the Pests in this Group Orkin Zoo
3. Terminix Pest Library
4. The Shape of Life PBS
5. MEER-Phylum Arthropoda MEER
6. Arthropod Lab - Photo's and Dissections BioWeb University of Wisconsin

Subphylum Chelicerata

1. Venomous Critters University of Arizona College of Pharmacy
2. Class Merostomata
3. Horseshoe Crabs Cyber Haus
4. The Horseshoe Crab
5. Class Arachinida
6. Arachnology Universiteit Antwerpen
7. Ticks - Image Gallery Iowa State University Entomology Dept
8. Tick Dissection Iowa State University Entomology Dept
9. Beware of Dust Bunnies!"Cells Alive" Presentation
10. Mites Tree of Life
11. The Mighty Mites Earth-Life Web Productions
12. 

Subphylum Crustacea

1. Water Flea Anatomy
2. Class Crustacea -Description and photos Cyber Haus
3. Daphina BioMedia Associates.
4. Crayfish dissection Review Jon C. Glase at Cornell University
5. Another Crayfish Dissection Penn State Altoona Biology
6. Freshwater Crayfish Tree of Life
7. Crustacean Gallery Museum Victoria Australia
8. 

Subphylum Uniramia

1. Class Chilopoda (centipedes)
2. Introduction to the Myriapoda University of California, Berkeley
3. Class Chilopoda(centipedes) Earth-Life Web Productions
4. Class Diplopoda (millipedes)
5. Millipedes Description Earth-Life Web Productions
6. Class Diplopoda - Millipedes Bugguide
7. Class Diplopoda - millipedes Animal Diversity Web
8. Class Insecta
9. Alien Empire PBS Presentation
10. Introduction to Insect Anatomy Earth-Life Web Productions
11. Key to the Orders of Insects Earth-Life Web Productions
12. Insectclopedia.com
13. bugbios.com
14. Insect OrdersThe Field Museum
15. Forensic Entomology Home Page University of Missouri

Orders of Class Insecta

Order Odonata

1. Digital Dragonfly projectTexas Agricultural Experiment Station in Stephenville
2. Odonata - Dragonflies and damselflies Tree of Life
3. Dragonflies Earth-Life Web Productions
4. Insect Anatomy Cartage
5. 

Order Orthoptera

1. Orthoptera Tree of Life
2. Crickets and Grasshoppers Earth-Life Web Productions
3. Insect Anatomy: Internal Enchanted Learnin
4. 

Order Blattodea

1. A Day in the Life of Ralph Roach Yuckiest Site on the Internet
2. Orkin on Roaches
3. The Cockroaches Earth-Life Web Productions
4. 

Order Isoptera

1. Orkin on Termites
2. Termites Earth-Life Web Productions
3. 

Order Anoplura

1. Lice Iowa State University
2. Crab louse Wikipedia
3. Sucking Lice Earth-Life Web Productions
4. 

Order Hemiptera

1. Hemiptera and Homoptera -True bugs University of California, Berkeley
2. Hemiptera the True Bugs Earth-Life Web Productions
3. 

Order Lepidoptera

1. Butterfly Basics The Field Museum
2. Monarch Butterfly MigrationJourney North News
3. Butterflies an Moths of Texas Big Sky Institute at Montana State University
4. The Butterfly WebSite-Picture Galleries
5. Texas Monarch Watch Texas Parks and WildLife
6. 

Order Homoptera

1. Cicadas and Leafhoppers Iowa State University Entomology Dept
2. Order Homoptera - Families University of Florida, Dept of Entomology & Nematology
3. Insect Order Homoptera: Cicadas, Planthoppers, Aphids and Scale Insects Red Planet Inc
4. 

Order Diptera

1. Diptera -True Flies Tree of Life
2. True Flies Earth-Life Web Productions
3. Anopheles- Mosquito CDC
4. Tsetse Fly and African Sleeping Sickness MicrobiologyBytes
5. 

Order Siphonaptera

1. FLEAS HOME PAGE Zoological Institute, St.Petersburg
2. Orkin on Fleas
3. Siphonaptera - Fleas University of California, Berkeley
4. Fleas Earth-Life Web Productions
5. 

Order Coleoptera

1. Coleoptera (Beetles) Tree of Life
2. Tree House of Beetles Tree of Life
3. Image gallery of beetles Iowa State University Entomology Dept
4. Beetles Earth-Life Web Productions
5. 

Order Hymenoptera

1. Orkin on Ants
2. What is the Africanized Honey Bee? The Texas A&M UniversityAgriculture Program
3. Hymenoptera - Bees, ants, and wasps University of California, Berkeley
4. Order Hymenoptera BugGuide
5. Hymenoptera Animal Diversity Web
6. 

Lophophorates: Phyla - Byrozoa, Brachiopoda and Phoronida

1. Classification of Animals phyla by characteristics Jon C. Glase at Cornell University
2. Introduction to the Bryozoa "Moss animals" University of California, Berkeley
3. The Lophophore is a characteristic feeding organ University of California, Berkeley
4. Introduction to the Brachiopoda - Of lamp shells and lophophores. University of California, Berkeley
5. Introduction to the Phoronida University of California, Berkeley
6. Bryozoan Colour Illustrations by Philip Bock
7. 

Phylum Echinodermata

1. Echinoderm Lab - Photo's and Dissections BioWeb University of Wisconsin
2. Introduction to the Echinodermata. . . from starfish to sea cucumbers University of California, Berkeley
3. Starfish (Asteroidea) Natural Perspective
4. Introduction to the Asteroidea University of California, Berkeley
5. The Ophiuroidea -Brittle Stars University of California, Berkeley
6. Introduction to the Crinoidea - Sea lilies and feather stars. . . University of California, Berkeley
7. The Holothuroidea- Sea Cucumbers University of California, Berkeley
8. Sea Urchin Embryology Stanford University
9. Sea Urchins Revisited by Jean-Marie Cavanihac, France
10. Beauty is Skin Deep BioMedia Associates
11. 

Phylum Hemicordata

1. Introduction to the Hemichordata -Of sawblades and acorns. . . University of California, Berkeley
2. 

Phylum Chordata

1. Vertebrate lab - photos and Dissections BioWeb University of Wisconsin
2. Introduction to the Chordata University of California, Berkeley

Subphylum Chephalochordata

1. Introduction to the Cephalochordata University of California, Berkeley
2. It's a Long Way from Amphioxus
3. 

Subphylum Urochordata

1. Introduction to the Urochordata University of California, Berkeley
2. Subphylum Urochordata (tunicates) MEER
3. 

Subphylum Vertebrata

1. More on Morphology University of California, Berkeley
2. Introduction to the Vertebrates University of California, Berkeley
3. Gnathostomata Jawed Vertebrates Tree of Life
4. Introduction to the Tetrapoda - The Four-Legged Vertebrates University of California, Berkeley
5. 

Class Agnatha

1. Hot-Blooded or Cold- Blooded?? University of California, Berkeley
2. Hyperoartia -Lampreys Tree of Life
3. Introduction to the Myxini - Hagfishes University of California, Berkeley
4. Introduction to the Petromyzontiformes -Lampreys University of California, Berkeley
5. 

Class Chondrichthyes

1. Sharks and Their Relatives SeaWorld
2. Introduction to the Chondrichthyes - Jaws University of California, Berkeley
3. The Great White Shark University of California, Berkeley
4. Intersting Facts about Fish NOAA Fisheries
5. 

Class Osteichthyes

1. Class-Osteichthyes -Sea World SeaWorld
2. Introduction to the Actinopterygii - Fins and bones University of California, Berkeley
3. Callichthyidae - Catfish Tree of Life
4. 

Class Amphibia

1. Frog Dissection Penn State Altoona Biology
2. AmphibiaWeb University of California, Berkeley
3. Frog Web Center for Biological Informatics of the U.S. Geological Survey
4. Introduction to the Amphibia University of California, Berkeley
5. Living Amphibians Tree of Life
6. Herps of Texas Texas Memorial Museum of Science and History at UT Austin
7. Froggy Page by Sandra J. Loosemore
8. Deformed Frogs - Pollution Minnesota Pollution Control Agency
9. Frog Anatomy & Physiology Tutorials Jon C. Glase at Cornell University
10. Lots of Information -Frog Land All About Frogs
11. Introduction to the Amniota University of California, Berkeley
12. Frog Development Tutorial Department of Zoology, University of Wisconsin-Madison
13. Frog dissection Tutorial Curry School at University of Viriginia
14. 

Class Repitilia

1. EuroTurtle
2. Sea Turtles SeaWorld
3. Herps of Texas - SnakesTexas Memorial Museum of Science and History at UT Austin
4. King Cobra National Geographic
5. The Reptiles (except turtles) University of California, Berkeley
6. Amniota - Mammals and reptiles Tree of Life
7. Phylogeny and Classification of Amniotes Tree of Life
8. Temporal Fenestration and the Classification of Amniotes Tree of Life
9. 

Class Aves

1. Naturessongs.com
2. Audubon.orgJohn James Audubon
3. Cornell Lab of Ornithology Cornell University
4. The amazing world of Birds Earth-Life Web Productions
5. Whooping Crane Migration Journey North News
6. Vertebrate Flight - Avian Flight University of California, Berkeley
7. Patuxent--Tools for Learning About Birds -Lots of Photos
8. Introduction to the Aves - The Birds University of California, Berkeley
9. The Raptor Center University of Minnesota
10. Bird Checklists of the United States - Texas Northern Prairie Wildlife Research Center
11. 

Class Mammalia

1. Rat dissection Rebecca Irwin, University of Tennessee
2. UCMP Hall of Mammals University of California, Berkeley
3. Marsupial Mammals -UCMP University of California, Berkeley
4. Placental Mammals -UCMP University of California, Berkeley
5. Manatees -Sea World SeaWorld
6. Monotremes -Egg-laying Mammals University of California, Berkeley
7. Introduction to the Synapsida - Much more than mammals! University of California, Berkeley
8. Chiroptera - Bats Tree of Life
9. 

1. Biology HomePage
2. Microbiology Page
3. Biology II Links Page
4. Biology I Links Page
5. Texas Memorial Museum of Science and History at UT Austin
6. Journey North-Gobal Study of WildLife Migration
   
7. Marine Biology MEER
8. 

1. Biology HomePage
   
2. Biology I Links Page