TY  - JOUR
A1  - Ball, I. R.
JO  - Acta Zool. Fennica
SP  - 154:21
EP  - 35
C1  - 154:21-35
TI  - On the phylogenetic classification of aquatic planarians.
UR  - https://marinespecies.org/turbellarians/aphia.php?p=sourcedetails&id=236745
PY  - 1977
Y2  - 2026-08-15
ER  -