Messoplana pacifica | Mar 1969 | | gravel, stones, algae | gravel, stones, algae. collected from the beach at the Laboratory. |
Ceratopera axi | Mar 1968 | intertidal | shell gravel | |
Polycystis hamata | Sep 1960 | intertidal | algae | shell and algae in shallow water, tide pools |
Polycystis hamata | Mar 1969 | intertidal | algae | shell and algae in shallow water, tide pools |
Multipeniata californica | Mar 25, 1969 | | gravel | small beach near Hopkins Marine Biological Station, under sea weed, low water. |
Plagiostomum hedgpethi | Sep 12-14, 1960 | shallow waters | sand | from seaweed, and in sand under wrackbeds, tide pools. |
Plagiostomum abboti | Sep 13, 1960 | tidepool | stones, gravel | washed off seaweed, tidepool. |
Archimonocelis semicircularis | Sep 13, 1960 | | shell gravel, stones | tidepools close to the laboratory, washed out from shell gravel, stones and seaweed. |
Monocelis hopkinsi | Sep 11, 1960 | | | tidepools on the beach close to the laboratory. |
Minona cornupenis | Sep 11-14, 1960 | | | a small sandy beach at the entrance to the station area [Hopkins Marine Station], subsoil-water. |
Notoplana acticola | Feb, 1953 | | | common under the rocks in shallow water adjacent to the laboratory. |
Cylindrostoma triangulum | Sep 14, 1960 | | | a small beach at the entrance to the Marine Station, with plankton net from algae in shallow water. |
Alcha evelinae | Sep 1960 | | | tidepools. |
Groveia unicornis | Sep 13, 1960 | | | washed from sand and seaweed in a tidepool. |
Reinhardorhynchus bispina | Apr 7, 1969 | | | stones and shell gravel. |
Reinhardorhynchus curvicirra | Apr 13, 1969 | | | shell gravel and holdfast of kelp. |
Paraschizorhynchoides glandulis hopkinsi | Mar 1969 | | sand | clean sand at the high-water line. |