Pseudoceros perviolaceus Hyman, 1955 | Mar 31, 1957 | 8.2 M | rock | Collected by Mr. W.E. Pequegnat. concealed under a purple sea urchin, Stongylocentrotus franciscanus, when urchin was pried off rocks. |
Prostheceraeus bellostriatus Hyman, 1953 | Aug 10, 1956 | 13.1 m | concrete wall | one specimen. Collected by Mr. W.E. Pequegnat. |
Macginitiella delmaris Hyman, 1953 | Feb, 1948 | | | rocky shore at Corona del Mar |
Stylochus franciscanus Hyman, 1953 | Nov 27, 1937 | | | in an old barnacle shell. |
Stylochus franciscanus Hyman, 1953 | Nov 27, 1937 | | | in an old barnacle shell. |
Stylochus californicus Hyman, 1953 | prior to 1953 | | | |
Stylochoplana hancocki Hyman, 1953 | Dec 19, 1941 | intertidal | rock | rocky shore. |
Notoplana sciophila (Boone, 1929) | Feb 1948 | | | taken by the MacGinities,. |
Hoploplana californica Hyman, 1953 | Jul 9, 1947 | 12.2 -15.2 m | | one specimen taken by the MacGinities. |
Alloioplana sandiegensis (Boone, 1929) | Jan 20, 1934 | | | collected by the MacGinities. |
Thysanozoon californicum Hyman, 1953 | May 12, 1933 | | | 1 specimen, taken by the MacGinities. |
Pseudoceros luteus (Plehn, 1898) | prior to 1953 | | | three specimens taken by the MacGinities. |
Prostheceraeus bellostriatus Hyman, 1953 | May, 1938 | | | one specimen taken by the MacGinities in a tank at the Kerckhoff Marine Laboratory at Corona del Mar. |
Enchiridium punctatum Hyman, 1953 | Jun 2, 1942 | | | taken by the Allan Hancock Foundation. |