philasterides philasterides philasterides is a genus of ciliates in the order philasteridae. philasterides scientific classification domain: eukaryota (unranked): sar (unranked): alveolata phylum: ciliophora class: oligohymenophorea subclass: scuticociliatia order: philasterida family: philasteridae genus: philasterideskahl, 1931 species philasterides armata (kahl, 1926) kahl, 1931 philasterides armatalis song, 2000 philasterides dicentrarchi the species p. dicentrarchi was previously considered a junior synonym of miamiensis avidus. however, recent physiological and molecular studies have shown that p. dicentrarchi and m. avidus are different species.