Is predicted to encode a protein with the following domains: 3' exoribonuclease family, domain 2; Exoribonuclease, phosphorolytic domain 1; 3' exoribonuclease family, domain 1; PNPase/RNase PH domain superfamily; Exoribonuclease, phosphorolytic domain 2; Exoribonuclease, PH domain 2 superfamily; and Ribosomal protein S5 domain 2-type fold. Is an ortholog of C. elegans exos-9.