Doliolida

(from the article `tunicate`) ...buds form from a ventral stolon.Order PyrosomidaZooids embedded in a tube open at one end.Order DoliolidaComplex alternation of generations ... ...Small (usually around five millimetres in length, including the tail) and simple, appendicularians do not form colonies. They spend their entire ... any s...
Found on http://www.britannica.com/eb/a-z/d/63

Doliolida

Doliolida are small marine animals of the Tunicata phylum, related to salps and pyrosomas. The Doliolid body is small, typically 1–2 cm long, and barrel-shaped; it features two wide siphons, one at the front and the other at the back end, and eight or nine circular muscle strands reminiscent of barrel bands. Like all tunicates, they are filter f
Found on http://en.wikipedia.org/wiki/Doliolida
No exact match found