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Tunicate Eggs Tunicate Eggs
Tunicate Eggs- Photomicrograph of three developing eggs. ...
Tunicate Larvae Tunicate Larvae
Tunicate Larvae- Photomicrograph of two tadpole-like larvae developing inside eggs. ...
Oikopleura's Fishing House Oikopleura's Fishing House
Oikopleura's Fishing House- Article with photographs by Wim van Egmond on this Larvacean and its delicate “house”. ...
Tunicates with Salad on the Side Tunicates with Salad on the Side
Tunicates with Salad on the Side- Essay by Richard Howey on the tunicates and their biology with a look at other organisms that also foul the hulls of ships. ...
Larvaceans Larvaceans
Larvaceans- Photographic study by Jean-Marie Cavanihac of these marine organisms. ...
The Tunicate, Styela: A Community Housing Project The Tunicate, Styela: A Community Housing Project
The Tunicate, Styela: A Community Housing Project- Article by Richard Howey about tunicates, and the many organisms that made their home on the outer surface of the specimen he was examining. ...
Botryllus schlosseri: Star Tunicate Botryllus schlosseri: Star Tunicate
Botryllus schlosseri: Star Tunicate- Photographs and information on this species, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances, community ecology and i ...
Styela plicata: Pleated Tunicate Styela plicata: Pleated Tunicate
Styela plicata: Pleated Tunicate- Photographs and information on this species, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances, community ecology and inva ...
Nonindigenous Aquatic Species: Tunicates Nonindigenous Aquatic Species: Tunicates
Nonindigenous Aquatic Species: Tunicates- Species list from the USGS on the nonindigenous tunicates found in US waters, with factsheets and collection details for each. ...
Tunicates of the West Coast of North America Tunicates of the West Coast of North America
Tunicates of the West Coast of North America- Many photographs of ascidians including both native and introduced species. ...
Ascidian Home Page for the United States Ascidian Home Page for the United States
Ascidian Home Page for the United States- Home page for Ascidian News, a twice yearly newsletter published by Charles and Gretchen Lambert, with recent worldwide publication citations, meetings abstracts and work in prog ...
Stelleroidea Stelleroidea
Stelleroidea- Illustration and brief description of these stemless echinoderms that have a central disc from which five or more arms radiate. ...
Growth of a Starfish Growth of a Starfish
Growth of a Starfish- Article on the development of a starfish by Jan Parmentier with many fascinating photographs. ...
Chocolate Chip Starfish Chocolate Chip Starfish
Chocolate Chip Starfish- Photographic study by Jaclin Pisano of Protoreaster nodosus with some fine images. ...
Asterias rubens: The Common Starfish Asterias rubens: The Common Starfish
Asterias rubens: The Common Starfish- Research project by Michael Richardson on this species, including its classification, habitat, adaptations, nutrition, reproduction and interactions with other species. ...
Amphioplus thrombodes Amphioplus thrombodes
Amphioplus thrombodes- Taxonomy and photograph of this brittlestar. ...
Amphiod pulchella Amphiod pulchella
Amphiod pulchella- Taxonomy and photographs of this brittlestar. ...
Wikipedia: Starfish Wikipedia: Starfish
Wikipedia: Starfish- Encyclopedia article on the starfish or sea stars belonging to the class Asteroidea. ...
Asteroidea Asteroidea
Asteroidea- Introduction, characteristics, phylogenetic relationships and fossil record of the sea stars and starfishes, from the Tree of Life Web Project. ...
Holothuroidea Holothuroidea
Holothuroidea- Wikipedia article on this class of marine animals, the sea cucumbers, with elongated bodies and leathery skin. ...
Common Starfish: Asterias rubens Common Starfish: Asterias rubens
Common Starfish: Asterias rubens- Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. ...
ADW: Subclass Asteroidea ADW: Subclass Asteroidea
ADW: Subclass Asteroidea- Photographs and information on the sea stars and starfishes from the Animal Diversity Web. ...
Sand Dollar Sand Dollar
Sand Dollar- Information from Wikipedia on the classification and biology of the sand dollar. ...
Crinoidea Crinoidea
Crinoidea- Extensive article about modern and ancient crinoids by William I. Ausich and Charles G. Messing for the Tree of Life project. ...
Crinoid Creatures Crinoid Creatures
Crinoid Creatures- Spectacular photographs and a brief article about modern crinoids. ...
Wikipedia: Crinoid Wikipedia: Crinoid
Wikipedia: Crinoid- Encyclopedia article on the sea lilies or feather-stars. ...
Crinoidea Crinoidea
Crinoidea- Introduction, characteristics, phylogenetic relationships and evolution, from the Tree of Life Web Project. ...
ADW: Class Crinoidea ADW: Class Crinoidea
ADW: Class Crinoidea- Photographs and information on the feather stars and sea lilies from the Animal Diversity Web. ...
Sea Urchin Embryo Sea Urchin Embryo
Sea Urchin Embryo- A page from the Laboratory of Embryonic Gene Expression, included here for three beautiful photographs. ...
The Echinoids The Echinoids
The Echinoids- Information about sea urchins, such as how they live, feed, and reproduce. There is also an alphabetic listing of their taxa. From The Natural History Museum, London. ...
Sea Urchin Embryology Sea Urchin Embryology
Sea Urchin Embryology- Laboratory modules using sea urchin eggs to explore fertilization and development. ...
Red Sea Urchin Red Sea Urchin
Red Sea Urchin- Information from Wikipedia on this species, Strongylocentrotus franciscanus, including its description, feeding habits, behavior and reproduction. ...
Sea Urchin: A Stinging but Amazing Animal Sea Urchin: A Stinging but Amazing Animal
Sea Urchin: A Stinging but Amazing Animal- Article by Jean-Marie Cavanihac on these animals with many photographs of their development. ...
Who is in Charge Here? Who is in Charge Here?
Who is in Charge Here?- Illustrated article by Richard L. Howey considering how creatures with no brains, such as the sea urchin, react appropriately to their surroundings. ...
Sea Urchins Revisited Sea Urchins Revisited
Sea Urchins Revisited- Photographic study by Jean-Marie Cavanihac of the sea urchin with some microscopic features of interest to the amateur naturalist. ...
Cucumaria frondosa Cucumaria frondosa
Cucumaria frondosa- Exercise from Invertebrate Anatomy OnLine covering the systematics, external and internal anatomy of this sea cucumber. ...
Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines. Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines.
Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines.- Photographic study by Richard Howey with some fine photographs of the intricate beauty of these structures. ...
Strongylocentrotus purpuratus Strongylocentrotus purpuratus
Strongylocentrotus purpuratus- Photograph and information on the purple sea urchin. ...
Loxechinus albus Loxechinus albus
Loxechinus albus- Factsheet from the FAO on the Chilean Sea Urchin which is eaten in Chile and Peru, its distinguishing features, distribution, habitat and biology. ...
Edible Sea Urchin: Echinus esculentus Edible Sea Urchin: Echinus esculentus
Edible Sea Urchin: Echinus esculentus- Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. ...
Purple Sea Urchin: Strongylocentrotus purpuratus Purple Sea Urchin: Strongylocentrotus purpuratus
Purple Sea Urchin: Strongylocentrotus purpuratus- Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. ...
ADW: Class Echinoidea ADW: Class Echinoidea
ADW: Class Echinoidea- Photographs and information on the heart urchins, sand dollars and sea urchins from the Animal Diversity Web. ...
Echinoid Directory Echinoid Directory
Echinoid Directory- Biology, phylogeny, and classification of sea urchins. ...
Holothuroidea Holothuroidea
Holothuroidea- Introduction, characteristics, phylogenetic relationships and fossil history of the sea cucumber, from the Tree of Life Web Project. ...
Cucumber Defenses Cucumber Defenses
Cucumber Defenses- Rob Toonen's comments about the defense mechanisms of sea cucumbers. ...
Athyonidium chilensis Athyonidium chilensis
Athyonidium chilensis- Images and brief information about this Chilean species (Dendrochirotida: Cucumariidae). ...
Sea Cucumbers - Class Holothuroidea Sea Cucumbers - Class Holothuroidea
Sea Cucumbers - Class Holothuroidea- Description and interesting facts. ...
Holothuroidea - Sea Cucumbers Holothuroidea - Sea Cucumbers
Holothuroidea - Sea Cucumbers- Overview, including characteristics, taxonomy, phylogenetic relationships, and fossil history. ...
Holothuria forskali: Black Sea Cucumber Holothuria forskali: Black Sea Cucumber
Holothuria forskali: Black Sea Cucumber- Photographs and a description of this species. ...
Cotton-Spinner (Holothuria forskali) Cotton-Spinner (Holothuria forskali)
Cotton-Spinner (Holothuria forskali)- Whilst diving round the coasts of Britain, Jane Lilley observed this sea cucumber and its behavior. ...

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