- Animal Diversity Web Phylum Echinodermata
- Information on the largest group of fauna without any freshwater or land representatives includes habitat, distribution, unique features and taxonomic history.
- Animal Genome Size Database: Echinoderms
- Offers species list, in taxonomic order, including scientific and common names.
- BioLib Echinodermata Echinoderms
- Photographs of various representatives of this phylum. With names of authors.
- Biological Bulletin: Echinoderms
- Offers various scientific researches and studies about this phylum and its species. With abstracts and full texts.
- Biological Diversity: Animals III
- Features an overview and descriptions of classes. With photos and a graphical representation of the anatomy of an adult sea star.
- Biology of Echinoderms
- Presents a video detailing the distinguishing characteristics of the different classes of this phylum. Includes photos.
- British Chalk Echinoderms
- Information about fossil members of the phylum. With images.
- Classification of the Extant Echinodermata
- Presents a guide to the identification and grouping of members of the phylum. With pictures.
- Crinoid and Other Echinoderm Fossils for Sale
- Offers links to shops. With images.
- Crinoid Fossil
- Features fossil found in Guizhou, China. Includes description, photos and price.
- Crystal World Fossils and Minerals
- Contains images of early echinoderms and access to photographs of crinoids.
- Deep-Sea Pages: Bathyal and Abyssal Echinoderms
- Describes the members of this phylum that can be found in abyssal plains and continental slopes. With photographs and scientific names.
- Divebums Echinoderms
- Offers underwater photographs of various species of sea cucumbers, sea urchins, sea stars, and brittle stars. Includes scientific names.
- Echinoderm Cabinet
- Features images from the collections of the Paleontological Research Institution in Ithaca, NY.
- Echinodermata
- Offers an overview of the group of fauna that includes the sea urchins and the starfishes. Includes distinguishing features, images, subgroups and references.
- Echinodermata Introduction
- Presents unique features and characteristics. With photos.
- Echinoderms
- Presents information and images of members of the phylum that include starfishes, sea urchins, feather stars, sea cucumbers and brittle stars.
- Echinoderms
- Features photographs and common names of the five classes of this phylum. With brief description.
- Echinoderms 1
- Features images of echinoderm fossils. Data include age, place of discovery, and price.
- Echinoderms and Protochordates
- Features images of dissected starfish.
- Echinoderms From Starfish to Sea Daisies
- Information about this phylum includes characteristics, habitat, anatomical and physiological features. With photographs.
- Echinoderms in Aquaria
- Presents characteristics, traits, and features of crinoids, asteroids, marble stars, linckia stars, and Caribbean cushion star.
- Echinoderms Laboratory Exercises
- Features dissection and identification of the anatomies of starfishes and sea urchins.
- Echinoderms of the Gulf of Aqaba and Southern Sinai
- Offers links to photos and sketches of various species found in the area.
- Echinoderms Szkartupnie
- Offers photographs of purple-spined sea urchin, brittle star, starfish, and dwarf brittle star.
- Echinoderms Up Close
- Presents photographs of Lytechinus variegates, Culcita novaeguineae, Ophiomastix annulosa, and Protoreaster lincki. By S. Hottenrott.
- FetchBook.Info: Echinodermata
- Offers titles of books about the phylum. Includes authors, prices and year of publication.
- Fossiliferous E.R. Matheau - Raven
- Presents fossils of various echinoderms. Includes photos, descriptions and prices.
- Fossils and Minerals: Echinoderms: Crinoids
- Presents the characteristics, traits and features of the class and the value of its fossils. With sketches and illustrations.
- Fossilsdirect Echinoderms
- Offers various echinoderm fossils for sale. Data include name, stage, location, and price.
- Fossilsearch Echinoderms
- Offers fossils of this phylum from the Devonian, Silurian, and Ordovician periods. Includes images, conditions, and prices.
- Gallery of Echinoderm Larvae
- Presents images with brief descriptions.
- Guide to Seashore Life in Singapore
- Presents a brief description of members of the phylum. Includes links to classes.
- Hawaii Coral Reef Network: Echinoderms of Hawaii
- Presents the images and scientific names of the particular classes of this phylum that can be found in the area.
- Holothuroidea Sea Cucumbers
- Presents the traits, characteristics and unique features of this echinoderm. Includes photos and graphical anatomy.
- I Live in the Sea: Echinoderms
- Features unique characteristics, traits and physiology of sea cucumbers, brittle stars, feather stars, and sea urchins.
- Introduction to the Echidnodermata
- Provides information on the members of this phylum. Includes distinguishing features and both extinct and living representatives.
- Invertebrate Anatomy OnLine: Ophioderma brevispina
- Laboratory exercises explore specimens, behavior, external anatomy, internal anatomy, and necessary supplies.
- Invertebrates in the Plankton: Echinodermata
- Reviews phylum in general, with physical and functional descriptions of various classes, and illustrations.
- Invertebrates: Echinoderms
- Offers taxonomic index, species links and locations.
- Kermadec Islands Images of Echinoderms
- Features underwater photographs of black seven-armed star, pencil urchin, crown of thorns star, and diadema stars found in this area.
- Kim Meineche: Echinodermata
- Presents images of starfishes, sunstars, sea urchins and featherstars. Includes scientific names.
- Life On Australian Seashores: Echinoderms
- Information about sea stars, brittle stars and holothurians. With sketches.
- Natural Canvas Fossils: Fossil Echinoderms
- Presents images of Deltoblastus, Scytalocrinus, Glypticus, Polydiadema, and Gyrocystis.
- Nature Portfolio: The Phylum Echinodermata
- Provides list of species, common and scientific names, and links to details and photo thumbnail.
- Nearctica Echinoderms
- Lists titles of books about marine invertebrates.
Includes authors and short descriptions.
- Online Guide to Chek Jawa: Echinoderms
- Presents the anatomical and physiological features and characteristics of member of this phylum. With photographs.
- Ordovician Echinoderms
- Offers images of fossils in this era. Includes locations of discovery.
- Palaeos Echinodermata
- Provides the various classifications of this group of marine animals including the recent number of their genera. With sketches.
- Paleontology Portal: Echinoderms
- Offers description and links to images of fossils from various periods.
- Photocean: Echinoderms of the Lembeh Strait
- Offers images of banded brittle seastars, red crinoids, and radiant sea urchins in this area in Sulawesi, Indonesia. Photographs by Gail J. Worth.
- Photos of Fossils
- Links to images of sand dollars, sea urchin spines and sea urchins from Arizona and Texas.
- Phylum Echinodermata
- Features descriptive information, images and illustrations of members of this group.
- Phylum Echinodermata Puzzling Spiny-Skinned Creatures
- Features sample species, number of living species, unique traits, and anatomical composition of classes.
- Phylum: Echinodermata
- Characterizes this group of marine animals including the various classes such as starfishes, sea urchins, and feather stars.
- Red Sea Life - Miscellaneous
- Presents an overview of echinoderms and photographs of Egyptian star fish, pearl sea star, Tripneustes gratilla, diadem sea urchin and feather star. With photos of mollusks, morays and crustaceans.
- Reef Ecology Guide Echinoderms
- Offers images of various species of sea stars, feather stars, sea urchins, and sea cucumbers. Site sponsored by Dive Asia Phuket Thailand.
- Reeforg Echinoderms
- Offers information about sea star, wana, ina, sea cucumber, and pencil slate sea urchins.
- Saint Louis Zoo: Pencil Urchin
- Features the characteristics, physical attributes, functional properties and unique traits of this echinoderm species.
- Sea and Sky Reef Life Echinoderms
- Presents an overview of the phylum and its member species. With descriptions and photographs.
- Sea Cucumbers
- Information on habitat, body form, characteristics, physiology and unique features. By Nat Miller.
- Sea Lilies and Starfishb
- An article describing the characteristics and traits of these species. By Paula McKerlie.
- Sea Stars
- Presents the habitat, anatomy and physiology, traits and unique features of this species. With photos.
- Sea Stars, Sea Urchins and Other Echinoderms
- Information about this phylum and its species. Includes scientific names, distribution, habitat, size, and images.
- Sea Urchin
- Offers links to photos and information including fertilization, cleavage, gastrulation and patterning.
- Sea Urchins Do Research
- Describes the characteristics, habitat, and anatomical and physiological features of the species. With images.
- Shape of Life: Phylum Echinodermata
- Presents a brief overview of this group of marine animals together with classifications and common names. Includes images.
- Some Weird Echinoderms of the Cincinnatian
- Describes unique members of the phylum that are found in this particular area. Includes sketches.
- Spiny-Skinned Animal, Phylum Echinodermata
- Provides the unique physical and physiological characteristics and traits of this group. With images.
- Starfish Phylum Echinoderm
- Presents anatomy and physiology of this marine life. Includes quiz and links to related sites.
- TrekNature: Photos Echinoderms
- Features underwater photographs taken by members of this organization.
- University of Bristol: Data on Echinoderm Trees
- Alphabetical list of cladograms with data that include group name, tree size, standard range length, and minimum implied gap.
- University of Hawaii at Hilo: Echinoderms of Hawaii
- Presents the scientific and common names of various species that belong to classes Echinoidea, Asteroidea, Holothuroidea, and Ophiuroidea. With images.
- What is a Starfish?
- Information about the diet, digestion, reproduction, anatomy and physiology of this species of echinoderms.
- Wholesale Fossils
- Presents fossils of sea urchins, blastoids and crinoids. With photos and prices.
- WholesaleFossils.Com
- Presents fossils of brittle star, cystoid, denovian and sea urchins. With images and prices.
- Windows to the Universe: Echinoderms
- Presents brief descriptions of species such as sea lilies, feather stars, and sea stars. With links to other sciences like geology, physics, and astronomy.
- Wonders of the Sea: Echinoderms
- Details the distinguishing characteristics and traits of the various classes of these marine animals. Includes sketches.
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