phaeocalpida phaeocalpida phaeocalpida is an order of cercozoans in the class phaeodarea. phaeocalpida castanellidae scientific classification domain: eukaryota (unranked): sar (unranked): rhizaria phylum: cercozoa class: phaeodarea order: phaeocalpidahaeckel, 1887 families castanellidae circoporidae polypyramidae porospathidae tuscaroridae