maricaulis maricaulis maricaulis is a genus of the maricaulaceae. maricaulis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: caulobacterales family: maricaulaceae genus: maricaulisabraham et al. 1999 species maricaulis maris (poindexter 1964) abraham et al. 1999 maricaulis parjimensis abraham et al. 2002 maricaulis salignorans abraham et al. 2002 maricaulis virginensis abraham et al. 2002 maricaulis washingtonensis abraham et al. 2002 synonyms marinocaulobacter