The invertebrates platyhelminthes and rhynchocoela, the acoelomate bilateria.
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | Béarla |
| Foilsithe / Cruthaithe: |
New York
McGraw-Hill
1951.
|
| Eagrán: | 1st ed. |
| Sraith: | McGraw-Hill publications in the zoological sciences
|
| Ábhair: |