|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Thatch Cay (Thatch Island), U.S. Virgin Islands, Caribbean | 1813 
  map | prior to 1913 | type locality |  |  |  |  | Bock S (1913): ; from Prudhoe S (citation)- page 149 | 
| B | culverts near Palisadoes (Palisades, Pallisades, Palisados) Road, Jamaica | 3202 
  map | prior to 1955 |  |  |  |  | common Jamaican polyclad. | Hyman LH (1955): 267 | 
| C | Gulf of Mexico US coast, Florida to Texas | 3203 
  map | prior to 1955 |  |  |  |  | Gulf of Mexico, off Florida. | Hyman LH (1955): 268 | 
| D | southeast of Alligator Point in Franklin County, northwestern Florida, Gull of Mexico | 4787 
  map | Dec 20, 1952 |  |  |  |  | taken with a dredge at about 40 feet in the Gulf of Mexico about 12 miles southeast of Alligator Point in Franklin County. | Hyman LH (1955): 147 |