Phylum Porifera (Sponges)
- Phylum Porifera Google Images
- Invertebrate Keys AECOS, Inc.
- Sponges and Corals e-Nature
- Introduction to Porifera University of California, Berkeley
- Labeled Lab Pictures of Porifera BioWeb University of Wisconsin
- Overview Bellarmine University by Dr. Bill Tietjen
- The Shape of Life PBS
Phylum Cnidaria
- Phylum Cnidaria Google Search
- Diploblasty Google Search
- Diploblasty versus Triploblasty Rebecca Irwin, University of Tennessee
- Introduction to the Cnidaria University of California, Berkeley
- Corals and Coral Reefs SeaWorld
- Cnidaria (Coelenterata) Tree of Life
- Deadliest Creature Extreme Science
Phylum Ctenophora
- Introduction to the Ctenophora University of California, Berkeley
- Phylum Ctenophora Claudia E. Mills at University of Washington
- Phylum Ctenophora Bellarmine University by Dr. Bill Tietjen
Phylum Platyhelminthes
- Lab 4: Acoelomates & Pseudocoelomates BioWeb University of Wisconsin
- Planaria
- Phylum Platyhelminthes Oklahoma Community City College
- Introduction to the Platyhelminthes University of California, Berkeley
- Paulette Planaria Yuckiest Site on the Internet
- The Shape of Life PBS
- Parasitology Tutorial Public Health for Northern Alberta
Phylum Nemerteans (ribbon worms)
- Marine and Evironmental Education and Research MEER
- Introduction to the Nemertini University of California, Berkeley
Phylum Nematoda
- Atlas of Medical Parasitology
- Phylum Nematoda Oklahoma Community City College
- Nematology University of Nebraska
- Animal Diversity Web University of Michigan Museum of Zoology
- Phylum Nematoda Bellarmine University
Phylum Rotifer
- Birth of a Rotifer Microscopy UK
- Whirling Animals article and photos by Bruce J. Russell
- Hear a Rotifer Roar Microscopy UK
- Centex Naturalist - Rotifers
- Phylum Rotifer Bellarmine University by Dr. Bill Tietjen
- Rotifers by Wim van Egmond
Classes of Phylum Mollusca
- All Classes Photos Bellarmine University by Dr. Bill Tietjen
- The Shape of Life PBS
Class Polyplacophora
- Welcome to Chiton.com
- Gumboot Chiton BioMedia Associates.
Class Gastropoda
- Typical Prosobranchia Gastropod Andrew Zoltan Mason, Cal State Long Beach
- Seaslug.com- Thousands of photos
- Welcome to the Cone Shell & Conotoxins homepage.
- House of Slime
- Slug Site
- UC Pest Mangement Guidlines University of California
Class Bivalvia
- Clam dissection Review Jon C. Glase at Cornell University
- How do Clam Shells Grow? NOAA Fisheries
- WorldWide Conchology
Class Cephalopoda
- Bioluminescence Web Page University of California Santa Barbara
- Squid Dissection Review Jon C. Glase at Cornell University
- Labeled Squid Dissection Photos BioWeb University of Wisconsin
- The Cephalopod Page James D. Wood
- In Search of Giant Squid NASA -SeaWiFS
- Cephalopoda Tree of Life
Phylum Annelida
- Developmental Mechanisms Problem Set University of Arizona
- Annelids Lab - Dissection of Earthworm photos BioWeb University of Wisconsin
- Phylum Annelida Oklahoma Community City College
- Parasites National Geographic
- Introduction to the Annelida University of California, Berkeley
- Weird tube worms of the deepest seas University of California, Berkeley
- Introduction to the Echiura University of California, Berkeley
- Class Oligochaeta
- Earthworm Dissection Review Jon C. Glase at Cornell University
- Class Polychaeta
- Introduction to the Polychaeta - The Bristleworms University of California, Berkeley
- Marine worms Cyber Haus
- Polychaeta Worm BioMedia Associates
- Class Hirudinea
- Welcome to the Leech Lab by Mark Siddall
Phylum Onycophora
- Introduction to the Onychophora "Velvet worms" University of California, Berkeley
- Minor Phyla Bellarmine University by Dr. Bill Tietjen
Phylum Arthropoda Table
- The Arthropod Story Understanding Evolution website.
- Information on All the Pests in this Group Orkin Zoo
- Terminix Pest Library
- The Shape of Life PBS
- MEER-Phylum Arthropoda MEER
- Arthropod Lab - Photo's and Dissections BioWeb University of Wisconsin
Subphylum Chelicerata
- Venomous Critters University of Arizona College of Pharmacy
- Class Merostomata
- Horseshoe Crabs Cyber Haus
- The Horseshoe Crab
- Class Arachinida
- Arachnology Universiteit Antwerpen
- Ticks - Image Gallery Iowa State University Entomology Dept
- Tick Dissection Iowa State University Entomology Dept
- Beware of Dust Bunnies!"Cells Alive" Presentation
- Mites Tree of Life
- The Mighty Mites Earth-Life Web Productions
Subphylum Crustacea
- Water Flea Anatomy
- Class Crustacea -Description and photos Cyber Haus
- Daphina BioMedia Associates.
- Crayfish dissection Review Jon C. Glase at Cornell University
- Another Crayfish Dissection Penn State Altoona Biology
- Freshwater Crayfish Tree of Life
- Crustacean Gallery Museum Victoria Australia
Subphylum Uniramia
- Class Chilopoda (centipedes)
- Introduction to the Myriapoda University of California, Berkeley
- Class Chilopoda(centipedes) Earth-Life Web Productions
- Class Diplopoda (millipedes)
- Millipedes Description Earth-Life Web Productions
- Class Diplopoda - Millipedes Bugguide
- Class Diplopoda - millipedes Animal Diversity Web
- Class Insecta
- Alien Empire PBS Presentation
- Introduction to Insect Anatomy Earth-Life Web Productions
- Key to the Orders of Insects Earth-Life Web Productions
- Insectclopedia.com
- bugbios.com
- Insect OrdersThe Field Museum
- Forensic Entomology Home Page University of Missouri
Order Odonata
- Digital Dragonfly projectTexas Agricultural Experiment Station in Stephenville
- Odonata - Dragonflies and damselflies Tree of Life
- Dragonflies Earth-Life Web Productions
- Insect Anatomy Cartage
Order Orthoptera
- Orthoptera Tree of Life
- Crickets and Grasshoppers Earth-Life Web Productions
- Insect Anatomy: Internal Enchanted Learnin
Order Blattodea
- A Day in the Life of Ralph Roach Yuckiest Site on the Internet
- Orkin on Roaches
- The Cockroaches Earth-Life Web Productions
Order Isoptera
- Orkin on Termites
- Termites Earth-Life Web Productions
Order Anoplura
- Lice Iowa State University
- Crab louse Wikipedia
- Sucking Lice Earth-Life Web Productions
Order Hemiptera
- Hemiptera and Homoptera -True bugs University of California, Berkeley
- Hemiptera the True Bugs Earth-Life Web Productions
Order Lepidoptera
- Butterfly Basics The Field Museum
- Monarch Butterfly MigrationJourney North News
- Butterflies an Moths of Texas Big Sky Institute at Montana State University
- The Butterfly WebSite-Picture Galleries
- Texas Monarch Watch Texas Parks and WildLife
Order Homoptera
- Cicadas and Leafhoppers Iowa State University Entomology Dept
- Order Homoptera - Families University of Florida, Dept of Entomology & Nematology
- Insect Order Homoptera: Cicadas, Planthoppers, Aphids and Scale Insects Red Planet Inc
Order Diptera
- Diptera -True Flies Tree of Life
- True Flies Earth-Life Web Productions
- Anopheles- Mosquito CDC
- Tsetse Fly and African Sleeping Sickness MicrobiologyBytes
Order Siphonaptera
- FLEAS HOME PAGE Zoological Institute, St.Petersburg
- Orkin on Fleas
- Siphonaptera - Fleas University of California, Berkeley
- Fleas Earth-Life Web Productions
Order Coleoptera
- Coleoptera (Beetles) Tree of Life
- Tree House of Beetles Tree of Life
- Image gallery of beetles Iowa State University Entomology Dept
- Beetles Earth-Life Web Productions
Order Hymenoptera
- Orkin on Ants
- What is the Africanized Honey Bee? The Texas A&M UniversityAgriculture Program
- Hymenoptera - Bees, ants, and wasps University of California, Berkeley
- Order Hymenoptera BugGuide
- Hymenoptera Animal Diversity Web
Lophophorates: Phyla - Byrozoa, Brachiopoda and Phoronida
- Classification of Animals phyla by characteristics Jon C. Glase at Cornell University
- Introduction to the Bryozoa "Moss animals" University of California, Berkeley
- The Lophophore is a characteristic feeding organ University of California, Berkeley
- Introduction to the Brachiopoda - Of lamp shells and lophophores. University of California, Berkeley
- Introduction to the Phoronida University of California, Berkeley
- Bryozoan Colour Illustrations by Philip Bock
Phylum Echinodermata
- Echinoderm Lab - Photo's and Dissections BioWeb University of Wisconsin
- Introduction to the Echinodermata. . . from starfish to sea cucumbers University of California, Berkeley
- Starfish (Asteroidea) Natural Perspective
- Introduction to the Asteroidea University of California, Berkeley
- The Ophiuroidea -Brittle Stars University of California, Berkeley
- Introduction to the Crinoidea - Sea lilies and feather stars. . . University of California, Berkeley
- The Holothuroidea- Sea Cucumbers University of California, Berkeley
- Sea Urchin Embryology Stanford University
- Sea Urchins Revisited by Jean-Marie Cavanihac, France
- Beauty is Skin Deep BioMedia Associates
Phylum Hemicordata
- Introduction to the Hemichordata -Of sawblades and acorns. . . University of California, Berkeley
Phylum Chordata
- Vertebrate lab - photos and Dissections BioWeb University of Wisconsin
- Introduction to the Chordata University of California, Berkeley
Subphylum Chephalochordata
- Introduction to the Cephalochordata University of California, Berkeley
- It's a Long Way from Amphioxus
Subphylum Urochordata
- Introduction to the Urochordata University of California, Berkeley
- Subphylum Urochordata (tunicates) MEER
Subphylum Vertebrata
- More on Morphology University of California, Berkeley
- Introduction to the Vertebrates University of California, Berkeley
- Gnathostomata Jawed Vertebrates Tree of Life
- Introduction to the Tetrapoda - The Four-Legged Vertebrates University of California, Berkeley
Class Agnatha
- Hot-Blooded or Cold- Blooded?? University of California, Berkeley
- Hyperoartia -Lampreys Tree of Life
- Introduction to the Myxini - Hagfishes University of California, Berkeley
- Introduction to the Petromyzontiformes -Lampreys University of California, Berkeley
Class Chondrichthyes
- Sharks and Their Relatives SeaWorld
- Introduction to the Chondrichthyes - Jaws University of California, Berkeley
- The Great White Shark University of California, Berkeley
- Intersting Facts about Fish NOAA Fisheries
Class Osteichthyes
- Class-Osteichthyes -Sea World SeaWorld
- Introduction to the Actinopterygii - Fins and bones University of California, Berkeley
- Callichthyidae - Catfish Tree of Life
Class Amphibia
- Frog Dissection Penn State Altoona Biology
- AmphibiaWeb University of California, Berkeley
- Frog Web Center for Biological Informatics of the U.S. Geological Survey
- Introduction to the Amphibia University of California, Berkeley
- Living Amphibians Tree of Life
- Herps of Texas Texas Memorial Museum of Science and History at UT Austin
- Froggy Page by Sandra J. Loosemore
- Deformed Frogs - Pollution Minnesota Pollution Control Agency
- Frog Anatomy & Physiology Tutorials Jon C. Glase at Cornell University
- Lots of Information -Frog Land All About Frogs
- Introduction to the Amniota University of California, Berkeley
- Frog Development Tutorial Department of Zoology, University of Wisconsin-Madison
- Frog dissection Tutorial Curry School at University of Viriginia
Class Repitilia
- EuroTurtle
- Sea Turtles SeaWorld
- Herps of Texas - SnakesTexas Memorial Museum of Science and History at UT Austin
- King Cobra National Geographic
- The Reptiles (except turtles) University of California, Berkeley
- Amniota - Mammals and reptiles Tree of Life
- Phylogeny and Classification of Amniotes Tree of Life
- Temporal Fenestration and the Classification of Amniotes Tree of Life
Class Aves
- Naturessongs.com
- Audubon.orgJohn James Audubon
- Cornell Lab of Ornithology Cornell University
- The amazing world of Birds Earth-Life Web Productions
- Whooping Crane Migration Journey North News
- Vertebrate Flight - Avian Flight University of California, Berkeley
- Patuxent--Tools for Learning About Birds -Lots of Photos
- Introduction to the Aves - The Birds University of California, Berkeley
- The Raptor Center University of Minnesota
- Bird Checklists of the United States - Texas Northern Prairie Wildlife Research Center
Class Mammalia
- Rat dissection Rebecca Irwin, University of Tennessee
- UCMP Hall of Mammals University of California, Berkeley
- Marsupial Mammals -UCMP University of California, Berkeley
- Placental Mammals -UCMP University of California, Berkeley
- Manatees -Sea World SeaWorld
- Monotremes -Egg-laying Mammals University of California, Berkeley
- Introduction to the Synapsida - Much more than mammals! University of California, Berkeley
- Chiroptera - Bats Tree of Life
- Texas Memorial Museum of Science and History at UT Austin
- Journey North-Gobal Study of WildLife Migration
- Marine Biology MEER
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