Pyuridae Hartmeyer 1908

Boltenia echinata, growing on the underside of a boulder and surrounded by sponge. Diameter approximately 2 cm. Found at minus tide level on Sares Head. (Photo by: Dave Cowles, October 2007)

This closeup of the individual above shows the siphons partly open.

Boltenia villosa from subtidal near Rosario. Marks in background are mm, with cm noted. (Photo by: Dave Cowles, July 2006)

Halocynthia igaboja, found subtidally off Northwest Island. Diameter about 7 cm. (Photo by: Dave Cowles, August 2009)

Pyura haustor, subtidal from Sares Head. Scale is cm. Animal appears partly encrusted, and the siphons are not fully extended. (Photo by: Dave Cowles July 2005)