| Pogaina bicornis Karling, 1986 | Mar 1969 |  | mud | tide pools on algae and stones in shallow water. | 
| Brinkmanniella palmata Karling, 1986 | Mar 1969 | intertidal |  | tidepool with stones and algae. | 
| Trigonostomum setigerum Schmidt, 1852 | Mar 1969 |  | algae and gravel | algae and gravel | 
| Messoplana pacifica Karling, 1986 | Mar 1969 |  | gravel, stones, algae | gravel, stones, algae.  'Great Tidepool.' | 
| Polychoerus carmelensis Costello & Costello, 1938 | prior 1938 | intertidal | gravel and stones |  | 
| Plagiostomum hymani Karling, 1962 | Sep 15, 1960 |  |  | from seaweed, tide pool. | 
| Plagiostomum abboti Karling, 1962 | Sep 15, 1960 | tidepool | stones, gravel | washed off seaweed, tidepool. | 
| Allostoma hopkinsi Karling, 1993 | 1993 or earlier |  | stones | algae on stones.  SMNHI 4479, SMNHI 4480. | 
| Coelogynopora brachystyla Karling, 1966 | Sep 15, 1960 | 0.5 m | sand | at low tide. | 
| Coelogynopora tenuiformis Karling, 1966 | Sep 15, 1960 |  | shell gravel, stones | washed out from shell gravel and stones with Polychoerus carmelensis Costello. | 
| Monocelis hopkinsi Karling, 1966 | Sep 15, 1960 |  |  | tidepools. | 
| Monocelis cincta Karling, 1966 | Sep 15, 1960 |  |  | tidepools, abundant. | 
| Pseudostomum californicum Karling, 1962 | Sep 15, 1960 |  | stones, gravel | Great tide-pool, stones and gravel with Polychoerus carmelensis Costello, moss-like covering (young Ulva and Enteromorpha) on stones. | 
| Austrorhynchus pacificus Karling, 1977 | Mar 28, 1969 | 6 m | sand, gravel | seaweed.  "Great tidepool". | 
| Paraustrorhynchus pacificus Karling & Schockaert, 1977 | Mar, 1969 |  | peebles | "Great tidepool", seaweed and pebbles. | 
| Alcha evelinae Marcus, 1949 | Mar 1969 |  | gravel | "Great tidepool". seaweed and gravel. | 
| Proschizorhynchella schilkei Karling, 1989 | Mar 1969 |  | stones | tidepool with stones and algae, 'Great Tidepool'. |