On my blog you can find lots of information about podencos and the different types. They range from the small Maneto and Erbano to the big Campanero. There are even some types which are particular to a particular area, like the Podenco Paternina from the Huelva province of Spain.
There’s a wealth of information on podencos on my blog, you can put your question in the ‘Search’ box, but here’s a recent article which I thought was interesting.