Avagina polyvacuola | November 1972 | tidal pools | rocky north and south of mangroves | Eulitoral and sublitoral |
Praeaphanostoma vitreum | November 1972 | tidal pools | rocky north and south of mangroves | |
Philocelis karlingi pacifica | November 1972 | tidal pools | rocky north and south of mangroves | common in the lower sandy beach slope and in the transition zone in front of the sand flat. |
Cheliplana barringtonensis | 1972 and 1973 | tidal pools | rocky north and south of mangroves | |
Monocelis oculifera | September 1972 | tidal pools | rocky north and south of mangroves | mangrove stumps, detritus sand between mangrove roots. |
Peraclistus stimula | September 1972 | tidal pools | rocky north and south of mangroves | pool rich with detritus, coral sand amoung mangroves. |
Duplominona krameri | September 1972 | tidal pools | rocky north and south of mangroves | rocky pool with coarse sand. |
Myobulla myobulla | 1972 | tidal pools | rocky north and south of mangroves | |
Myobulla dunata | 1972 | tidal pools | rocky north and south of mangroves | |
Limipolycystis sp. | 1972 | tidal pools | rocky north and south of mangroves | southern beach |
Galapagorhynchus hoxholdi | 1972 | tidal pools | rocky north and south of mangroves | southern beach |
Djeziraia incana | 1972-1973 | | | exact location remains uncertain. |
Paulodora felis asymmetrica | 1972-1973 | | | |
Gyratrix hermaphroditus species II Galapagos | 1972-1973 | | | southern beach |
Gyratrix hermaphroditus species III Galapagos | 1972-1973 | | | southern beach |
Macrostomum astericis | 1976 or earlier | | | |
Itaipusa divae | | | rock pools | |
Reinhardorhynchus variodentata | | | rock pools | |
Galapagetula annikae | | | rock pools | |
Utelga heinckei | | | rock pools | |