Myozona aerumnosa Sopott-Ehlers & Schmidt, 1974 | 1972-1973 | 1 m, subtidal | upper part of beach slope (subtidal) | sandy beach in front of the Sievers Family House |
Avagina polyvacuola Ehlers & Doerjes, 1979 | November 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | Eulitoral and sublitoral |
Praeaphanostoma thalasophilum Ehlers & Doerjes, 1979 | November 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | |
Praeaphanostoma musculosum Ehlers & Doerjes, 1979 | November 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | sublitoral in flat |
Praeaphanostoma vitreum Ehlers & Doerjes, 1979 | November 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | eulitoral sand flats and sublitoral |
Philocelis karlingi pacifica Ehlers & Doerjes, 1979 | November 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | common in the lower sandy beach slope and in the transition zone in front of the sand flat. |
Pseudmecynostomum pellucidum Ehlers & Doerjes, 1979 | November 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | upper sublitoral, water depth 70 cm |
Schizochilus bruneti Noldt & Hoxhold, 1984 | 1972 and 1973 | 1 m, subtidal | upper part of beach slope (subtidal) | |
Neokytorhynchus pacificus Ehlers & Ehlers, 1981 | November 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | sublitoral, coarse sand |
Cryptostiopera cornuta Ax, 1974 | November / December 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | |
Duplominona galapagoensis Ax & Ax, 1977 | September 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | sublitoral in coarse sand, 1-2 meters depth at low tide. |
Parotoplana turgida Ax & Ax, 1974 | September 1972 | 1 m, subtidal | upper part of beach slope (subtidal) | in the lower beach about 2 meters deep, below the low tide line. |
Macrostomum majesticis Schmidt & Sopott-Ehlers, 1976 | prior to 1976 | | | inner beach slope. |
Theama occidua Sopott-Ehlers & Schmidt, 1975 | Feb 1972 - Feb 1973 | | | |
Itaipusa divae Marcus, 1949 | | | sandy beach | |