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Top / Science / Biology / Flora_and_Fauna / Animalia / Chordata / Cephalochordata /

Invertebrate Anatomy OnLine: Branchiostoma Detailed illustrated anatomical description of amphioxus and the lancelets. http://webs.lander.edu/rsfox/invertebrates/branchiostoma.html Lander.edu  ~   Site Info   Whois   Trace Route   RBL Check   Branchiostoma in coarse sand Information on several species that live in sand at moderate depths off the coast of Devon, UK, and photographs of the lancelet (Branchiostoma lanceolatum) and the pea urchin (Echinocyamus pusillus). http://www.devonwildlifetrust.org/index.php?section=champions:baywatch:biotope_7 Devonwildlifetrust.org  ~   Site Info   Whois   Trace Route   RBL Check   Animalia: Cephalochordata Illustration of Branchiostoma. http://biodidac.bio.uottawa.ca/thumbnails/filedet.htm?File_name=CEPL030P&File_type=GIF Uottawa.ca  ~   Site Info   Whois   Trace Route   RBL Check   Amphioxus Embryonic Development A fascinating short movie from YouTube showing the early cell divisions in the egg and its subsequent development. http://www.youtube.com/watch?v=ycHJMXUT2o0 Youtube.com  ~   Site Info   Whois   Trace Route   RBL Check   Introduction to the Cephalochordata Illustrated description of these primitive chordates, which are small, eel-like, unprepossessing animals that spend much of their time buried in sand. http://www.ucmp.berkeley.edu/chordata/cephalo.html Berkeley.edu  ~   Site Info   Whois   Trace Route   RBL Check   Subphylum Cephalochordata Information on this group and the three characteristic chordate features, the notochord, the dorsal nerve cord and the pharyngeal slits. http://orion1.paisley.ac.uk/courses/Tatner/biomedia/units/chor3.htm Paisley.ac.uk  ~   Site Info   Whois   Trace Route   RBL Check   Amphioxus: A Peaceful Anchovy Fillet to Illuminate Chordate Evolution Illustrated article on amphioxus, a species which occupies a central place in evolutionary thoughts when considering the origin of vertebrates. http://www.biolsci.org/v02p0030.htm Biolsci.org  ~   Site Info   Whois   Trace Route   RBL Check   Lancelet Photograph of Branchiostoma lanceolatum and information from Wikipedia on the genus, traditionally known as amphioxus, its physical features and taxonomy. http://en.wikipedia.org/wiki/Lancelet Wikipedia.org  ~   Site Info   Whois   Trace Route   RBL Check   The Amphioxus Song A song, set to the tune of “It’s a long way to Tipperary”, that explains in verse the evolutionary development of vertebrates from invertebrates. http://www.molecularevolution.org/mbl/resources/amphioxus/ Molecularevolution.org  ~   Site Info   Whois   Trace Route   RBL Check