Dear Oliver Cheilea is definitively a Hipponicidae. I searched this some time ago, and the paper is available for downloading in http://www.biotaneotropica.org.br/v2n2/en/item?taxonomic-review Happy 2008, Luiz -- 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 Citando Olivier Caro <[log in to unmask]>: > Dear List > > Is it sure Calyptraea extinctorium Lamarck, 1822 is not a > Crucibulum, as the internal shelf suggests ? > Calyptraea has a spiral diaphragm, while Crucibulum has its internal > support free, attached only at its base and near the apex (a bit > like in Cheilea...) > > By the way, Cheilea genus is placed in Hipponicidae ! Any reason to > such a location ? > > This makes two questions! > > Olivier Caro ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------
