Tunicate Figure 3.jpg (IMAGE)

Harvard University, Department of Organismic and Evolutionary Biology

Tunicate Figure 3.jpg

Caption

Details of the anatomy of Megasiphon thylakos. M. thylakos had two prominent siphons and a barrel shaped body. It also had prominent longitudinal muscles running from the tips of the siphons to the base of the body. These are comparable with modern tunicates, including Ciona intestinalis, which is dissected in c and f. Even the micrometer sized individual muscle fibers can be compared between this 500-million year old fossil and modern tunicates

Credit

James Wheeler (a,d) and Karma Nanglu (b,c,e,f,g)

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