Urochordata

• Animal Diversity Web Subphylum Urochordata  - Presents pictures of member species. With links to specimens and classifications.
• Bartleby.com Tunicate  - Discusses basic features of member species.
• Book Rags.com Urochordata  - Describes physical features and characteristics. With pictures and sources.
• Cell Migration Kinetics in the Stomach of Styela clava (Urochordata: Ascidiacea)  - Contains an abstract of this article. From the Journal of Experimental Zoology.
• Datasegment.com Definition: Urochordata  - Gives references and links to related sites.
• Elook.org Urochordata  - Gives definition on tunicates with links.
• Encyclopedia Guide Urochordata  - Provides links and access to related sites.
• Exploring the Intertidal: Urochordata  - Discusses physical appearance, range, habitat, and special features. Includes labeled diagram and pictures.
• FishBase.org: Larvaceans  - Offers brief definition and related terms in English, French, and Portuguese.
• Infoplease Subphylum Urochordata  - Provides information on characteristics and classifications.
• Information: Phyla Hemichordata and Chordata Subphylum Urochordata  - Provides links to related sites.
• Introduction Subphylum Urochordata  - Describes physical features of member species.
• Introduction to the Urochordata  - Gives description of member species. With photos.
• Just Blue Tunicate Taxonomy and Marine Invertebrate Research  - Gives information on a study on the southern African inter and subtidal benthic hard substrate fauna. With photos.
• Key to Class Ascidiacea (Tunicates, Sea Squirts)  - Covers distinguishing characteristics of member species.
• Marine Animals at the MBL: SubphylumUrochordata  - Contains a database of searchable species. With links.
• Medical Dictionary: Urochordata  - Offers information on member species. With links.
• MJC Marine Bio Chordata, Subphylum Urochordata  - Contains photos of colonial tunicates. With brief descriptions.
• One Look Urochordata  - Provides links to online resources.
• Organisms: Urochordata  - Provides taxonomic information and heirarchical data. With related sources.
• Subphylum Urochordata  - Presents an overview and discusses the evolution of the brain. With photos.
• Systematic Tree of Organisms: Urochordata  - Contains a taxonomic diagram. With links.
• Tight and Gap Junctions in the Intestinal Tract of Tunicates  - Contains an abstract of this article. From the Journal of Cell Sciences. The full title of this paper is "Tight and gap junctions in the intestinal tract of tunicates (Urochordata): a freeze-fracture study.".
• Urochordata ( Tunicata)  - Contains a taxonomic tree. With references.
• Word Reference.com Subphylum Urochordata  - Presents a phylogenetic tree and references.