- Animal Diversity Web Phylum Porifera
- Features the unique characteristics of members of this group. With photos and illustrations.
- Answers.com Sponge
- Offers a variety of information on these animal species. With images and links to other resources.
- Australian Faunal Directory Checklist for Porifera
- Offers listing of online resources on sponges. From the Australian Biological Resources Study.
- Biodidac Animalia Porifera
- Presents colored image of sponges.
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- BioImages: The Virtual Field-Guide (UK) Porifera Sponges
- Provides access to images of representative species.
- Biological Science Porifera
- Offers a teaching guide for the study of sponges.
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- Biology Browser: Porifera
- Presents links to information on this group of sponges.
- BioMedia The Biology of Sponges
- Features the 15-minute video on this subject. With images and ordering information.
- Blue Cup Sponge
- Features the painting by Harry Hoffman. From Peter Sawyer Antiques.
- Blue Vase Sponge
- Features an image of this specie. With ordering information.
- Canada's Marine Invertebrates Porifera
- Information on the morphology, metabolism and reproduction of sponges.
- Carnivorous Sponge
- Article on a species that has deviated from its filter-feeding relatives.
- Cretaceous Fossils of Delaware Phylum Porifera
- Provides images and descriptions of preserved representatives of ancient sponges from this geologic era.
- Deep-Sea Pages: Bathyal and Abyssal Cnidaria and Porifera
- Offers images of live sponges and sea anemones. By Paul H. Yancey.
- Earthlife Phylum Porifera
- Information on the anatomy, distinguishing characteristics and environmental impact of sponges. With photos.
- Elusive Cancer Killer' A Deep-sea Hideout Discovered After a Nearly 20-year Hunt
- Article on the discovery of a sponge specie that contained a cancer-killing chemical.
- Encyclopedia.com: Porifera
- Describes this phylum of sponges, including definitions, magazine and newspaper articles, and pictures.
- Factmonster Porifera
- Offers introductory information on sponges.
- Fauna Iberica Phylum Porifera
- Provides a listing of member species found in the Iberian peninsula.
- Filo Porifera
- Offers photos of live sponges. With scientific names.
- Florida Smart Porifera Sponges
- Offers links to other available resources on the web.
- Florida Sponge Company
- Offers natural sea sponges for various uses. With pricing and ordering information.
- Geobiology Research Sponges
- Describes the importance of these animals throughout the history of the planet.
- Gulf Specimen Marine Lab Porifera Sponges
- Offers species for sale. With photos and pricing information.
- Hermit Crab Sponges
- Features these unique members of the phylum. With photos.
- Index to Important Sponge Collections
- Provides a listing of collected specimens from various institutions. With links.
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- Infoplease Porifera
- Provides general information on sponge anatomy and reproduction. With links to other resources.
- Information Phylum Porifera
- Provides a listing of resources for this animal grouping.
- Introduction to Porifera
- Presents preliminary information on sponges. With photos.
- Invertebrate Anatomy OnLine: Porifera
- Illustrations of sponge systems accompany Calcarea and Demospongiae exercises.
- ITIS Report: Porifera
- Furnishes taxonomic data for this phylum of sponges, including sources, hierarchy, and off-site resources.
- Khoyatan Sponge Page
- Presents the collection of Northeast Pacific sponges of the Khoyatan Marine Laboratory.
- Laboratory 2 Phylum Porifera [DOC]
- Presents an educational resource on sponges.
- Marbef Data System Porifera
- Presents taxonomic data on sponges from the European Register of Marine Species.
- Marine Biological Laboratory Porifera
- Presents images of sponges. With pricing and ordering information.
- MEER Phylum Porifera Sponges
- Presents introductory information on animals belonging to this group. With photos and illustrations.
- Morphology of Poriferans
- Presents slides containing images and illustrations of sponges.
- NatureServe Explorer Species Index Phylum Porifera
- Offers taxonomic data on sponges.
- New Jewels of the Deep
- Article on the newly discovered value of sponges in ecology and human health.
- Palaeos Porifera Sponges
- Discusses the most primitive form of multicellular animal life. With photos.
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- Photo.net Underwater at Anse Chastanet, St. Lucia
- Presents images of live sponges.
- Phylogenetic Trees Phylum Porifera Sponges
- Presents the distinguishing characteristics of each clade in this group.
- Phylum Porifera
- Provides introduction to the sponges. With photos and links to the different classes.
- Phylum Porifera Sponges
- Provides an introduction to this animal grouping. With photos and illustrations.
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- Phylum Porifera Sponges Slides
- Provides presentation materials for educators.
- Porifera and Cnidaria
- Presents laboratory exercises and images of sponges and jellyfishes.
- Porifera and Placozoa [PDF]
- Offers information on the morphology and taxonomy of these animals. With illustrations.
- Porifera Brasil
- Provides images of sponges that can be found in this country. Site is in Portuguese.
- Porifera Lecture Outline
- Provides an educational resource for the teaching of the subject. With links to images of sponges.
- Porifera of SF Bay
- Features images of sponges found in the San Francisco Bay area. With descriptions.
- Porifera Skeletons
- Discusses the structure that gives sponges their shapes.
- Protocista, Eubacteria and Porifera
- Presents a comparison of sponges and an extinct phylum. With illustrations.
- Settling Plate Research Project Porifera (Sponges)
- Presents images and descriptions of member species. From the field studies of the California Academy of Sciences.
- Shape of Life Phylum Porifera Sponges
- Information on the oldest animal grouping. With photos and links to other resources.
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- Sponge Reef Project
- Presents information on the binational scientific project aimed at preserving these habitats in Canada.
- Sponge Reefs on the Continental Shelf
- Information on the joint undertaking of the University of Stuttgart and the Pacific Geoscience Centre.
- Sponges
- Describes the unique features of this type of animals. With photos.
- Sponges (Porifera)
- Presents a preview of the book edited by Muller, W.E.G. With abstract and table of contents.
- Sponges Get Respect
- Articles on members of this phylum. By Doug Stewart.
- Sponges of British Columbia
- Features the species found in the region. Includes the different classes.
- Sponges Porifera
- Provides access to images and descriptions of representatives of this group.
- Sponges, Phylum Porifera
- Provides a resource for reef aquarists. With classifications and images.
- Tree of Life Web Project Porifera
- Presents a guide to the taxonomy of sponges. With photos and links to other resources.
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- Wildlife of Sydney Sponges Porifera
- Provides information on member species found in this area. With images.
- Wordreference.com Porifera
- Provides definition and taxonomy of sponges. With links to other resources.
- Zoological Catalogue of Australia Volume 12 Porifera
- Profiles the publication by JNA Hooper and F Wiedenmayer. BY CSIRO Publishing.
- Zootaxa Porifera
- Provides links to abstracts and full articles from past issues. Membership required.
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