Baseodiscus princeps (Coe, 1901) |Baseodiscus princeps from
March Point, Padilla Bay, WA| |(Photo by: Dave Cowles, July
2007)| How to Distinguish from Similar Species: Tubulanus
polymorphus is also uniformly orange or reddish but it has no
eyespots nor anteroventral grooves. The description of this
species sounds very much like that of B. punnetti from farther
south. History: The animal is able to contract its body in such
a way as to form annular regular along the body (photo). It can
contract its head entirely into its trunk. |Main
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Notes and Observations: Locations, abundances, unusual
behaviors: The head is lighter dorsally than is the rest of the
dorsum, and has a line of dark eyespots around the border. The
underside is lighter than the dorsum, as seen in this view of an
upraised head. The animal can constrict its muscles to form
annular constrictions.