| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | San Carlos Bay (Bahia San Carlos), Baja California Sur, Estado de Mexico, Mexico | 2002 | Mar-Apr 1940 | default type | 2 smooth slate-colored specimens taken at Puerto Escondido; very abundant dark smooth flatworms from the rocks at Angeles Bay, and at San Carlos, Sonora. | Steinbeck J, Ricketts EF (1941): 336 | |||
| B | Angeles Bay (Bahia de los Angeles, Bahia de Los Angeles), Gulf of California, Mexico | 1754 | Mar-Apr 1940 | default type | Steinbeck J, Ricketts EF (1941): 336 |