sporichthya sporichthya sporichthya is a genus of bacteria in the family sporichthyaceae. sporichthya scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: sporichthyales family: sporichthyaceae genus: sporichthyalechevalier et al. 1968 species sporichthya brevicatena tamura et al. 1999 sporichthya polymorpha lechevalier et al. 1968 phylogeny the currently accepted taxonomy is based on the list of prokaryotic names with standing in nomenclature and national center for biotechnology information (ncbi) and the phylogeny is based on 16s rrna-based ltp release 106 by the all-species living tree project s. brevicatena tamura et al. 1999 s. polymorpha lechevalier et al. 1968 (type sp.)