ENT copy gift of Richard C. Greene, SIL. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!1107760~!0#focus ...
Porifera : the sponges ; Cnidaria (coelenterata) / Steven Sadro -- Platyhelminthes : the flatworms with an emphasis on marine Turbellaria / Alan L. Shanks -- Nemertea : the ribbon worms / Keven B.