Concise hierarchy
(Kingdom) Animalia - (Phylum) Mollusca - (Class) Gastropoda
Current position
Alternative positions
Historical positions
| Opisthobranchia (Subclass) Milne-Edwards, 1848 |
Ref:
J.J. Sepkoski Jr., 2002: 113.
|
| Opisthobranchia (Subclass) Milne-Edwards, 1848 |
Ref:
V.G. Millard, 1997: 214.
|
| Opisthobranchia (Subclass) Milne-Edwards, 1848 |
Ref:
1995
|
| Opisthobranchia (Subclass) Milne-Edwards, 1848 |
Ref:
R.C. Brusca & G.J. Brusca, 1990
|
| Opisthobranchia (Subclass) Milne-Edwards, 1848 |
Ref:
K.J. Boss, 1982: 1029.
|
| Opisthobranchia (Subclass) Milne-Edwards, 1848 |
Ref:
T.I. Storer et al., 1979
|
Number of Subtaxa