NemATOL trees -This link displays a set of phylogenetic trees inferred from
all available 18s sequences as of Oct.1, 2004 that were at least 1500 bp in length.
     
Treebase -Treebase is a database of published phylogenetic trees and
associated data.
     
Tree of Life -The Nematode web pages at the tree of life web project
     
Data Sets -Data sets associated with publications.