sphingopyxis alaskensis sphingopyxis alaskensis sphingopyxis alaskensis is a bacterium from the genus of sphingopyxis which has been isolated from seawater from alaska. sphingopyxis alaskensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingopyxis species: s. alaskensis binomial name sphingopyxis alaskensis(vancanneyt et al. 2001) godoy et al. 2003 type strain ccug 45028, cip 106977, dsm 13593, lmg 18877 synonyms sphingomonas alaska,sphingomonas alaskensis,sphingopixis alaskensis