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Elkhorn Slough, Monterey Bay, California, USA
latitude: 36.819698
longitude: -121.738297
Precision of location: Alexandria Digital Library (with USGS GNIS data)
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Pogaina paranygulgus | Apr 1969 | intertidal | in tidepools with algae. | |
| karlingi pacifica | Apr 1969 | mud sand | under mud and algae on a sandy shore at low tide | |
| Duplacrorhynchus minor | Sep 17, 1960 | sand, mud | low water, superficial layer of the sandy mudflat under Enteromorpha. | |
| Minona obscura | Sep 17, 1960 | mud | Elkhorn Slough, above the road, Enteromorpha and mud, slightly brackish, abundant. | |
| Allostoma amoenum | Sep 17, 1960 | sand | below the road, wet sand under Enteromorpha on the mudflat, abundant. | |
| Pacifides psammophilus | Apr 9, 1969 | sandy beach off Elkhorn Slough, Otoplana-zone, abundant. | ||
| Paraustrorhynchus pacificus | Sep 19, 1960 | 26 m | fine sand with mud | off Fishermens Wharf. |
| Gyratrix hermaphroditus | Sep 1960 | sand, pebbles | several places in the tidal zone and in tidepools, sand, pebbles and algae. | |
| Gyratrix hermaphroditus | Mar-Apr 1969 | sand, pebbles | several places in the tidal zone and in tidepools, sand, pebbles and algae. | |
| Cheliplana setosa | Apr 1969 | sand | in the tidal zone. | |
| Cheliplana californica | Apr 1969 | coastal groundwater. | ||
| Cheliplana elkhornica | Sep 1960 | sand | Otoplana zone, clean sand. | |
| Cheliplana elkhornica | Mar 1969 | sand | Otoplana zone, clean sand. |