Toxoplasma gondii cyst
Elphidium excavatum (foraminiferan)
Coscinodiscus (diatom)
Vahlkampfia cyst (heterolobosean)
Emiliana huxleyi (coccolithophore)
Tetrahymena thermophila (ciliate)


The Society is an international association of scientists devoted to research on single-celled eukaryotes, or protists. The ISOP promotes the presentation and discussion of new or important facts and problems in protistology, and works to provide resources for the promotion and advancement of this science.

Latest News

VII ECOP-ISOP Joint Meeting 2015 Seville-Spain ( > EXTENDED DEADLINE July the 10th

2015 Holz-Conner applications are now being accepted!