MICROANATOMY, ULTRASTRUCTURE, AND SYSTEMATIC SIGNIFICANCE OF THE EXCRETORY SYSTEM AND MANTLE CAVITY OF AN ACOCHLIDIAN GASTROPOD (OPISTHOBRANCHIA).
Fahrner
A.
A
Zoologische Staatssammlung München (ZSM), Münchhausenstr. 21, D-81247 München, Germany.
Haszprunar
G.
G