| উদ্ধৃতি | O'Connor, M., C. Hawkins and D. K. Loomis, 2008 A manual of previously recorded non-indigenous invasive and native transplanted animal species of the Laurentian Great Lakes and coastal United States. NOAA Technical Memorandum NOS NCCOS 77, 82 pp. |
| সূত্র | 114042 O'Connor, M., C. Hawkins and D. K. Loomis, 2008 |
| পৃষ্ঠা | 30 |
| Named Used as Valid | Sphaeroma walkeri |
| এলাকা | |
| Distribution | USA. |