x1 is an order [biology] with genus x2, family x3, with species x4, within class x5.
From jimca, jmive, klesi. For biological cathegory in general (=mivyske klesi), domain (=?), kingdom (=seljimcymivykle), phylum (=jicymivykle), class (=xeljutsi), order (=this definition), family (=terjutsi), genus (=seljutsi), species (=jutsi)