By the way, respect to the specific epithet, the correct appears to be
Melanoides tuberculatus?. See the note I put in my publication (Simone
2001):

Melanoides tuberculatus
NB.: according to Stone et al. (1965) the genera with the suffix
-oides are masculine in gender, thus ?tuberculatus? is more
appropriate than ?tuberculata?.


References:

SIMONE, L.R.L., 2001. Phylogenetic analyses of Cerithioidea (Mollusca,
Caenogastropoda) based on comparative morphology. Arquivos de Zoologia
(São Paulo) 36(2): 147-263.
Stone, A.; Sabrosky, C.W.; Wirth, W.W.; Foote, R.H. & Coulson, J.R.,
1965. A catalogue of the Diptera of America north of Mexico, prepared
cooperatively by specialist on the various groups of Diptera.
Washington, U. S. Department of Agriculture. Agriculture Handbook 276:
1-1696.

--
Luiz Ricardo L. Simone, Ph.D.
Museu de Zoologia da Universidade de São Paulo
Cx. Postal 42494
04218-970, São Paulo, SP
Brazil
[log in to unmask]; [log in to unmask]
www.mz.usp.br
Curriculum:
http://lattes.cnpq.br/5020466945403853
Livro - Book:
http://www.femorale.com.br/articles/books/simone06/index.asp
http://www.mz.usp.br/collab/malaco.html
http://br.geocities.com/livroluiz/
http://www.usp.br/jorusp/arquivo/2006/jusp783/pag07.htm

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