The Urochordata , also referred to as Tunicates and Ascidians , are far more often called «sea squirts.»

The Urochordata , also referred to as Tunicates and Ascidians , are far more often called «sea squirts.»

The Urochordata , also referred to as Tunicates and Ascidians , are far more popularly known as «sea squirts.» They fit in with the exact same phylum as the vertebrates although grownups would not have a backbone. A dorsal nerve cord, a dorsal stiffening structure (not composed of bone) called the notochord, and gill slits in the throat (pharynx) region during development the free swimming larvae possess a tail.

Leer másThe Urochordata , also referred to as Tunicates and Ascidians , are far more often called «sea squirts.»