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 InfoWhoisTrace RouteRBL 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 InfoWhoisTrace RouteRBL 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 InfoWhoisTrace RouteRBL 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 InfoWhoisTrace RouteRBL 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 InfoWhoisTrace RouteRBL Check