Dear All,
Could anybody please inform me the numerical strength (number of species)
of Mollusca for each of the following zoogeographical realms as well as the
world:
Nearctic, Neotropical, Palearctic, Ethiopian (Or African), Oriental and
Australasian.
Similarly, I would be happy if anyone please inform me the number of
species that heve been recorded from each of different marine
zonations/divisions of the world.
Full reference(s) of the sources would be appreciated.

Thanks to everybody.