BioStor
 | III.—On freshwater Rhizopoda of England and India; with illustrations H J Carter (1864) Annals And Magazine of Natural History 13: 18-39 |
 | XXVI.—On the extent, and some of the principal causes, of structural variation among the Difflugian Rhizopods G C Wallich (1864) Annals And Magazine of Natural History 13: 215-245 |
 | Contribuição para o conhecimento da fauna de protozoarios do Brazil S Von Prowazek (1910) Memórias Do Instituto Oswaldo Cruz 2: 149-158 |