thecofilosea thecofilosea thecofilosea is a class of cercozoa. thecofilosea two preserved specimens of capsellina sp. (tectofilosida: chlamydophryidae), from the eugène penard collection scientific classification (unranked): sar (unranked): rhizaria phylum: cercozoa subphylum: filosa superclass: monadofilosa class: thecofilosacavalier-smith, 2003 orders hemimastigida tectosia ebriida tectofilosida eothecia cryomonadida botuliformidae matazida phaeodaria