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.
Archives of Tunicata E-mail List - Subscription information and archives.
Urochordata - Introduction to the Urochordata, with photos.
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.
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.
Dutch Ascidian Website - Hundreds of images of ascidian species photographed all over the world, and a few photographs of salps (Thaliacea).
Ascidiacea - Photograph and article from Wikipedia on the tunicates, including their life history, fertilisation and ecology.
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.
Salp - Photograph and article from Wikipedia on this barrel-shaped tunicate, including its distribution, nervous systems, relationships and classification.
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