| Country | Year | Collector | Identifier | Catalog No. | Depth (m) | Locality | Source |
| Puerto Rico | no year | Joyuda, west coast of Puerto Rico | SLB | ||||
| Puerto Rico | 1974 | R.J. Larson | R. J. Larson | USNM | small Thalassia covered cove, 1.5 km east of La Parguera, on the south coast of Puerto Rico. | SLB |
