Shells of the Atlantic and Gulf coasts and the West Indies. 3rd ed
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Norwalk, Connecticut
          The Easton Press
    
        1986 | 
| Pynciau: | 
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Norwalk, Connecticut
          The Easton Press
    
        1986 | 
| Pynciau: |