mapmap| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | near São Vicente, Santos Bay (Baía de Santos), Brazil | 965map | Oct 1948 | type locality | sand | Marcus Er (1949): 43, 99 | |||
| B | Island of São Sebastião (Ilha de Sebastiao), Brazil | 60map | Jun 1949 | sand | fresh to fresh/saline | numerous specimens. streams and rivelets mix with salt water when the tide comes in, water is fresh at low tide. | Marcus Er (1949): 43, 99 |