TY  - JOUR
A1  - Willan, R. C.
JO  - American Malacological Bulletin
N1  - Stated date: June 1987
IS  - 2
SP  - 215
EP  - 241
C1  - 5 (2): 215-241
TI  - Phylogenetic systematics of the Notaspidea (Opistobranchia) with reappraisal of families and genera
UR  - https://www.biodiversitylibrary.org/page/45940378
VL  - 5
PY  - 1987
Y2  - 2026-09-14
ER  -