Linked from
The 16 pages that link to Protist, each with the reason it gives.
EuglenozoaNarrower topic: Euglenozoa is one diverse lineage commonly included among protists.
ExcavataNarrower topic: Many organisms historically assigned to Excavata are unicellular protists.
AphelidaNarrower topic: Aphelids and many of their hosts are unicellular protists.
Slime moldNarrower topic: Slime molds belong among eukaryotes traditionally grouped as protists.