List publications of Pennak R (whose author list includes string "Pennak R").
List turbellarian taxa described by Pennak (whose authority includes string "Pennak").
List collecting sites ascribed to Pennak (whose authority includes string "Pennak").
| date | author | title | description | link | rank | |
|---|---|---|---|---|---|---|
| details | Pennak | photograph | [thumbnail] | |||
| details | 2004 | Pennak RW | Robert W. Pennak, 1912-2004 | obituary |