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» Archives of Tunicata E-mail List - Subscription information and archives.




» Ascidiacea - Photograph and article from Wikipedia on the tunicates, including their life history, fertilisation and ecology.




» 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 progress. The Ascidiaceae are a family in the Phylum Urochordata and are commonly known as tunicates or sea squirts.




» 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 information on its invasivness.




» Dutch Ascidian Website - Hundreds of images of ascidian species photographed all over the world, and a few photographs of salps (Thaliacea).




» Invertebrate Anatomy OnLine: Doliolum - Illustrated exercise from an on-line zoology course, with information on the systematics of this Urochordate, its life cycle and its anatomy.




» Just Blue - South African organization conducting research on the ascidians or tunicates, commonly known as sea squirts, mostly for the Coral Reef Research Foundation. Website contains many photographs of tunicates.




» Larvaceans - Photographic study by Jean-Marie Cavanihac of these marine organisms.




» Nonindigenous Aquatic Species: Tunicates - Species list from the USGS on the nonindigenous tunicates found in US waters, with factsheets and collection details for each.




» Oikopleura's Fishing House - Article with photographs by Wim van Egmond on this Larvacean and its delicate “house”.




» Salp - Photograph and article from Wikipedia on this barrel-shaped tunicate, including its distribution, nervous systems, relationships and classification.




» The Salps (Class Thaliacea) - Information from the Earthlife Web on the colony-forming Pyrosomida and the non-colonial Salpida and Doliolida, including their description and their complex life cycle.




» Sea Squirts: our Distant Cousins - Article by Wim van Egmond on the life cycle and development of these Ascidians with several photographs.




» 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 invasion information.




» Tunicate Eggs - Photomicrograph of three developing eggs.




» Tunicate Larvae - Photomicrograph of two tadpole-like larvae developing inside eggs.




» 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.




» Tunicates Extraordinaire - Interesting personal account by Jean-Marie Cavanihac of her observations on the eggs and larval stages of the Ascidians and Botryllus, accompanied by excellent photographs. Further accounts of Salps, Doliolids and Larvaceans with more photographs and video clips.




» Tunicates of the West Coast of North America - Many photographs of ascidians including both native and introduced species.




» 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.




» Urochordata - Introduction to the Urochordata, with photos.

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