| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Bartolome Isla (Isla San Bartolome, Bartholomé), Archipielago de Colon (Galapagos Islands), Ecuador (Station VII, 1) middle sand beach slope | 342 | September 1972 | type locality | tidal | sandy beach | middle sandy beach slope. | Ax P, Ax R (1974): 19 | |
| B | Santa Cruz, Archipielago de Colon (Galapagos Islands), Ecuador (Station IX, 2, Playa Borrero) | 330 | August 1972 | tidal | sandy beach | upper sandy beach slope. | Ax P, Ax R (1974): 19 |